Trochidae
Encyclopedia
The Trochidae, common name
top snails, are a taxonomic family
of very small to large sea snail
s, marine
gastropod molluscs in the clade Vetigastropoda
(according to the taxonomy of the Gastropoda by Bouchet & Rocroi from 2005
).
This family is commonly known as the "top snails", because in many species the shell is shaped like an old-fashioned top
. They are characterized by some primitive traits among the opisthobranchs : a heart with two atriums and external fertilization. They have retained only one kidney
and the second osphradium
has been lost in the course of evolution. They have a corneous operculum
which fits the aperture
snugly.
):
, and Halistylinae provisionally stays in Trochidae.
Here is also shown, which genera were placed into these three new subfamilies:
.
or in the shallow subtidal zone, but some live in deeper water. They are usually abundant on solid substrate, like rocky shores and reefs.
, and the fertilization occurs internally.
Top snail eggs are laid individually or in gelatinous egg masses in the water. Individuals may hatch as free-swimming planktonic larvae or juvenile crawlers.
on algae
and detritus
, and more rarely by filter-feeding, as observed in the genus Umbonium
.
Alcyninae
Cantharidinae Gray, 1857
Chrysostomatinae
† Eucyclinae
Fossarininae Bandel, 2009
Halistylinae
Monodontinae
Stomatellinae
Trochinae :
Umboniinae - synonyms: Lirulariinae, tribe Bankiviini, tribe Isandini, tribe Talopiini and tribe Umboniini.
----
Other genera within the family Trochidae include:
Common name
A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...
top snails, are a taxonomic family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
of very small to large sea snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...
s, marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
gastropod molluscs in the clade Vetigastropoda
Vetigastropoda
Vetigastropoda is a major taxonomic group of sea snails, marine gastropod mollusks that form a very ancient lineage. Taxonomically Vetigastropoda are sometimes treated as an order although they are a clade in Bouchet and Rocroi, 2005....
(according to the taxonomy of the Gastropoda by Bouchet & Rocroi from 2005
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
).
This family is commonly known as the "top snails", because in many species the shell is shaped like an old-fashioned top
Top
A top is a toy that can be spun on an axis, balancing on a point. This motion is produced in the most simple forms of top by twirling the stem using the fingers. More sophisticated tops are spun by by holding the axis firmly while pulling a string or twisting a stick or pushing an auger as shown...
. They are characterized by some primitive traits among the opisthobranchs : a heart with two atriums and external fertilization. They have retained only one kidney
Kidney
The kidneys, organs with several functions, serve essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and...
and the second osphradium
Osphradium
The osphradium is the olfactory organ in certain molluscs, linked with the respiration organ.The main function of this is to test incoming water for silt and other possible food particles.It is used by all members of the Genus Conus....
has been lost in the course of evolution. They have a corneous operculum
Operculum (gastropod)
The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...
which fits the aperture
Aperture (mollusc)
The aperture is an opening in certain kinds of mollusc shells: it is the main opening of the shell, where part of the body of the animal emerges for locomotion, feeding, etc....
snugly.
2005 taxonomy
This family consists of six following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
):
- Trochinae Rafinesque, 1815
- tribe Trochini Rafinesque, 1815 - synonym: Pyramidinae Gray, 1847
- tribe Cantharidini Gray, 1857
- tribe Monodontini Gray, 1857 - synonym: Gibbulinae Stoliczka, 1868
- Halistilynae Keen, 1958
- Lirulariinae Hickman & McLean, 1990
- Margaritinae Thiele, 1924
- tribe Margaritini Thiele, 1924 - synonym: Margaritinae Stoliczka, 1868 (inv.)
- tribe Gazini Hickman & McLean, 1990
- tribe Kaiparathinini Marshall, 1993
- Stomatellinae Gray, 1840 - synonyms: Stomatiidae Carpenter, 1861, Stomatellidae Gray, 1840
- Umboniinae H. Adams & A. Adams, 1854 (1840)
- tribe Umboniini H. Adams & A. Adams, 1854 (1840) - synonym: Rotellinae Swainson, 1840
- tribe Bankiviini Hickman & McLean, 1990
- tribe Isandini Hickman, 2003
- tribe Talopiini Finlay, 1928 - synonym: Monileini Hickman & McLean, 1990
2008 taxonomy
The family Trochidae was redefined according to Williams et al. (2008). The tribes from Trochinae were raised to subfamilies, Margaritinae was moved to the family TurbinidaeTurbinidae
Turbinidae, the turban snails, are a family of small to large marine gastropods. Turbinidae have a strong, thick calcareous operculum readily distinguishing them from the somewhat similar Trochidae or top snails, which have a corneous operculum...
, and Halistylinae provisionally stays in Trochidae.
- Trochinae Rafinesque, 1815
- CantharidinaeCantharidinaeThe Cantharidinae are a taxonomic subfamily of very small to large sea snails, marine gastropod molluscs in the family Trochidae, common name top snails....
Gray, 1857 - Monodontinae Gray, 1857
- Halistylinae Keen, 1958
- Lirulariinae Hickman & McLean, 1990
- Stomatellinae Gray, 1840
- Umboniinae H. Adams & A. Adams, 1854 (1840) - tribes of Umboniinae are retained the same as in taxonomy of the Gastropoda by Bouchet & Rocroi (2005)Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...
- tribe Umboniini H. Adams & A. Adams, 1854 (1840) - synonym: Rotellinae Swainson, 1840
- tribe Bankiviini Hickman & McLean, 1990
- tribe Isandini Hickman, 2003
- tribe Talopiini Finlay, 1928 - synonym: Monileini Hickman & McLean, 1990
2010 taxonomy
Williams et al. (2010) added three new subfamilies to Trochidae : Alcyninae, Fossarininae and Chrysostomatinae. The subfamily Lirulariinae is now incorporated within the subfamily Umboniinae. In this study was also shown that the subfamily Margaritinae is not monophyletic.Here is also shown, which genera were placed into these three new subfamilies:
- subfamily Alcyninae Williams, Donald, Spencer & Nakano, 2010 - only one genus Alcyna
- subfamily Trochinae Rafinesque, 1815
- subfamily Monodontinae Gray, 1857
- subfamily Fossarininae Bandel, 2009
- subfamily Chrysostomatinae Williams, Donald, Spencer & Nakano, 2010
- genus Chrysostoma
- genus Chlorodiloma
- subfamily Umboniinae H. Adams & A. Adams, 1854 (1840) - synonym: Lirulariinae Hickman & McLean, 1990
- subfamily Stomatellinae Gray, 1840
- subfamily CantharidinaeCantharidinaeThe Cantharidinae are a taxonomic subfamily of very small to large sea snails, marine gastropod molluscs in the family Trochidae, common name top snails....
Gray, 1857 - subfamily Halistylinae Keen, 1958
Distribution
This family has a worldwide distribution in tropical, temperate and arctic waters. Members of this family are among the most common marine snails along the rocky shores of EuropeEurope
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
.
Habitat
Many species in the family live either in the intertidal zoneIntertidal zone
The intertidal zone is the area that is above water at low tide and under water at high tide . This area can include many different types of habitats, with many types of animals like starfish, sea urchins, and some species of coral...
or in the shallow subtidal zone, but some live in deeper water. They are usually abundant on solid substrate, like rocky shores and reefs.
Life cycle
The Trochidae are dioeciousDioecious
Dioecy is the property of a group of biological organisms that have males and females, but not members that have organs of both sexes at the same time. I.e., those whose individual members can usually produce only one type of gamete; each individual organism is thus distinctly female or male...
, and the fertilization occurs internally.
Top snail eggs are laid individually or in gelatinous egg masses in the water. Individuals may hatch as free-swimming planktonic larvae or juvenile crawlers.
Feeding
This family of snails feed by grazingGrazing
Grazing generally describes a type of feeding, in which a herbivore feeds on plants , and also on other multicellular autotrophs...
on algae
Algae
Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many...
and detritus
Detritus
Detritus is a biological term used to describe dead or waste organic material.Detritus may also refer to:* Detritus , a geological term used to describe the particles of rock produced by weathering...
, and more rarely by filter-feeding, as observed in the genus Umbonium
Umbonium
Umbonium, sometimes known as "button top shells", is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails.-Shell description:...
.
Genera
Genera within the family Trochidae include:Alcyninae
- Alcyna - type genus of the subfamily Alcyninae, it is also the only genus in this subfamily
Cantharidinae Gray, 1857
- AgagusAgagusAgagus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails....
Jousseaume, 1894 - Calliotrochus P. Fischer, 1879
- CalthalotiaCalthalotiaCalthalotia is an Australian genus of sea snails, marine gastropod molluscs in the family Trochidae, the top shells. -Species:Species with names in current use within the genus Calthalotia include: * Calthalotia arruensis...
Iredale, 1929 ref> Bouchet, P. (2010). Calthalotia Iredale, 1929. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512278 on 2010-10-31 - CantharidellaCantharidellaCantharidella is a genus of small sea snails, marine gastropod molluscs in the family Trochidae, the top snails.- Further reading :* Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1...
Pilsbry, 1889 - CantharidusCantharidusCantharidus is a genus of sea snail, a marine gastropod molluscs of the family Trochidae, the top shells.-Species:The World Register of Marine Species includes the following species with valid names within the genus Cantharidus :...
MontfortPierre Denys de MontfortPierre Denys de Montfort, also sometimes spelled "Pierre Dénys de Montfort", was a French naturalist, in particular a malacologist, remembered today for his pioneering inquiries into the existence of the giant squid Architeuthis, which was thought to be an old wives' tale, and for which he was...
, 1810 - ClelandellaClelandellaClelandella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Clelandella include:* Clelandella artilesi Vilvens, Swinnen & Deniz, 2011...
Winkworth, 1932 - Clelandella is a junior synonym of Jujubinus Monterosato, 1884 according to Backeljau (1986) and Vaught (1989). - GibbulaGibbulaGibbula is a genus of small sea snails, marine gastropod molluscs in the family Trochidae, the top snails. -Distribution:This species in this genus are distributed through all seas, except on the coast of the American continent.-Description:...
Risso, 1826 - JujubinusJujubinusJujubinus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Jujubinus include:* Jujubinus augustoi Rolan & Gori, 2009* Jujubinus baudoni...
Monterosato, 1884 - KanekotrochusKanekotrochusKanekotrochus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Kanekotrochus include:* Kanekotrochus vietnamensis Dekker, 2006...
Habe, 1958 - Komaitrochus Kuroda & Iw. Taki, 1958
- Nanula Thiele, 1924
- Odontotrochus P. Fischer, 1880
- OsilinusOsilinusOsilinus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Osilinus include:* Osilinus articulatus * Osilinus atratus...
Philippi, 1847 - OxysteleOxysteleOxystele is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Oxystele include:* Oxystele fulgurata * Oxystele impervia...
Philippi, 1847 - PhasianotrochusPhasianotrochusPhasianotrochus is a genus of sea snails. They are marine gastropod molluscs in the family Trochidae, the top snails.-Species:According to the Indo-Pacific Molluscan Database, the following species with names in current use are included within the genus Phasianotrochus * Phasianotrochus apicinus *...
Fischer, 1885 - Phorcus
- Pictodiloma Habe, 1946
- PriotrochusPriotrochusPriotrochus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Priotrochus include:* Priotrochus goudoti * Priotrochus iris Herbert, 1988...
P. Fischer, 1879 - ProthalotiaProthalotiaProthalotia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Prothalotia include:* Prothalotia boninensis Okutani, 2001...
Thiele, 1930 - PseudotalopiaPseudotalopiaPseudotalopia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Pseudotalopia include:* Pseudotalopia fernandrikae Vilvens, 2005...
Habe, 1961 - Thalotia Gray, 1840
- Tosatrochus MacNeil, 1961
- Trochinella IredaleTom IredaleTom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
, 1937
Chrysostomatinae
- Chlorodiloma Pilsbry, 1889
- Chrysostoma Swainson, 1840
† Eucyclinae
Fossarininae Bandel, 2009
- BroderipiaBroderipiaBroderipia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Broderipia include:* Broderipia rosea * Broderipia subiridescens...
Gray, 1847 - Clydonochilus P. Fischer, 1890 - probable placement by Williams et al. (2010)
- FossarinaFossarinaFossarina is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top shells.The genus Fossarina was moved to newly created subfamily Fossarininae by Williams et al...
A. Adams & Angas, 1864 - Minopa Iredale, 1924 - probable placement by Williams et al. (2010)
- SynaptocochleaSynaptocochleaSynaptocochlea is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Synaptocochlea include:* Synaptocochlea belmonti Simone, 2009...
Pilsbry, 1890 - “Roya” eximia
Halistylinae
- Botelloides Strand, 1928
- Charisma Hedley, 1915
- HalistylusHalistylusHalistylus is a genus of very small sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Halistylus include:* Halistylus columna...
DallW. H. DallWilliam Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...
, 1890
Monodontinae
- AustrocochleaAustrocochleaAustrocochlea is a genus of medium-sized sea snails, marine gastropod molluscs in the family Trochidae, the top snails, also known as top shells.-Species:Species within the genus Austrocochlea include:...
P. Fischer, 1885 - DilomaDilomaDiloma is a genus of medium-sized sea snails, marine gastropod mollusks in the family Trochidae, the top snails. -Distribution:This genus occurs in the Indo-Pacific, including New Zealand, Japan, and other areas.-Species:...
PhilippiRodolfo Amando PhilippiRodolfo Amando Philippi was a German-Chilean paleontologist and zoologist....
, 1845 - MonodontaMonodontaMonodonta is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Monodonta include:* Monodonta australis * Monodonta canalifera Lamarck, 1816...
Lamarck, 1799
Stomatellinae
- GenaGENAGENA stands for General Event Notification Architecture.GENA Base defines an HTTP notification architecture that transmits notifications between HTTP resources. An HTTP resource could be any object which might need to send or receive a notification, for example a distribution list, buddy list,...
Gray, 1840 - MicrotisMicrotisMicrotis is a small genus in the orchid family Orchidaceae.- Description :These orchids occur from South China to Japan, Australia , New Zealand and the south west Pacific, in grassland and scrub....
H. Adams & A. Adams, 1850 - PseudostomatellaPseudostomatellaPseudostomatella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Pseudostomatella include: * Pseudostomatella coccinea Pseudostomatella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top...
Thiele, 1921 - StomatellaStomatellaStomatella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Stomatella include:* Stomatella articulata A. Adams, 1850* Stomatella auriculata Lamarck, 1816...
Lamarck, 1816 - StomatiaStomatiaStomatia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Stomatia include:* Stomatia duplicata G.B. Sowerby I, 1823* Stomatia phymotis...
- StomatolinaStomatolinaStomatolina is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Stomatolina include:* Stomatolina danblumi Singer & Mienis, 1999...
Trochinae :
- ClanculusClanculusClanculus is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.-Distribution:Clanculus is an old genus. Fossils found in Italy date from the Pliocene Clanculus is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top...
MontfortPierre Denys de MontfortPierre Denys de Montfort, also sometimes spelled "Pierre Dénys de Montfort", was a French naturalist, in particular a malacologist, remembered today for his pioneering inquiries into the existence of the giant squid Architeuthis, which was thought to be an old wives' tale, and for which he was...
, 1810 - CoelotrochusCoelotrochusColeotrochus is a genus of small sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-References:* *...
P. Fischer, 1879 - Eurytrochus P. Fischer, 1879
- InfundibulopsInfundibulopsInfundibulops is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Infundibulops include:* Infundibulops cariniferus...
Pilsbry, 1889 - InfundibulumInfundibulumAn infundibulum is a funnel-shaped cavity or organ.* Lungs: The alveolar sacs of the lungs from which the air chambers open are called infundibula...
Montfort, 1810 - NotogibbulaNotogibbulaNotogibbula is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.-Species:According to the Indo-Pacific Molluscan Database, the following species with names in current use are included within the genus Notogibbula : * Notogibbula bicarinata * Notogibbula...
Iredale, 1924 - Pulchrastele Iredale, 1929
- RubritrochusRubritrochusRubritrochus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Rubritrochus include:* Rubritrochus declivis...
L. Beck, 1995 - TrochusTrochusTrochus is a genus of medium-sized to very large sea snails. They are marine gastropod molluscs in the family Trochidae, the top snails....
Linnaeus, 1758
Umboniinae - synonyms: Lirulariinae, tribe Bankiviini, tribe Isandini, tribe Talopiini and tribe Umboniini.
- AntisolariumAntisolariumAntisolarium is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top shells.-Species:Species within the genus Antisolarium include:* Antisolarium vixincisum Marwick, 1929...
FinlayHarold John FinlayHarold John Finlay was a New Zealand palaeontologist and conchologist. He was born in Comilla, India , on 22 March 1901....
, 1927 - ArchiminoliaArchiminoliaArchiminolia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Archiminolia include:* Archiminolia diadema Marshall, 1999* Archiminolia diplax Marshall, 1999...
Iredale, 1929 - Bankivia Beck In Krauss, 1848
- Camitia H. Adams & A. Adams, 1854
- Conotalopia Iredale, 1929
- EthaliaEthaliaEthalia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Ethalia include:* Ethalia catharinae Poppe, Tagaro & Dekker, 2006...
H. & A. Adams, 1854 - Ethaliella Pilsbry, 1905
- EthminoliaEthminoliaEthminolia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Ethminolia include:* Ethminolia akuana Raines, 2007* Ethminolia bysma Herbert, 1992...
IredaleTom IredaleTom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
, 1924 - IsandaIsandaIsanda is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Isanda include:* Isanda hemprichi * Isanda holdsworthiana H. Nevill & G. Nevill, 1871...
H. AdamsHenry Adams (zoologist)Henry Adams was an English naturalist and conchologist.With his brother Arthur Adams, also a noted conchologist, he wrote three volumes, 1858.-References:...
and A. AdamsArthur Adams (zoologist)Arthur Adams was an English physician and naturalist.Adams was assistant surgeon on board H.M.S. "Actaeon" in company with HMS Samarang in the British Navy during the survey of the Malay Archipelago, the Japan Sea, Korea and China,from 1843 to 1846. He edited the Zoology of the voyage of H.M.S....
, 1854 - Leiopyrga H. Adams & A. Adams, 1863
- LirulariaLirulariaLirularia is a genus of small sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Lirularia include:* Lirularia acuticostata...
DallW. H. DallWilliam Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...
, 1909 - MonileaMonileaMonilea is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Description:The solid shell has a depressed-conical shape. It is sharply striate and spirally . The umbilicus is partly filled by a prominent spiral funicle within that terminates at the columella....
Swainson, 1840 - Parminolia Iredale, 1929
- PseudominoliaPseudominoliaPseudominolia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Pseudominolia include:* Pseudominolia nedyma...
Herbe, 1992 - RossiteriaRossiteriaRossiteria is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Rossiteria include:* Rossiteria pseudonucleolus Poppe, Tagaro & Dekker, 2006...
Brazier, 1895 - SericominoliaSericominoliaSericominolia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Sericominolia include:* Sericominolia stearnsii...
Kuroda & Habe, 1954 - UmboniumUmboniumUmbonium, sometimes known as "button top shells", is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails.-Shell description:...
Link, 1807 - VanitrochusVanitrochusVanitrochus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Vanitrochus include:* Vanitrochus geertsi Poppe, Tagaro & Dekker, 2006...
- Zethalia Finlay, 1926
----
Other genera within the family Trochidae include:
Unassigned
- CallumbonellaCallumbonellaCallumbonella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Callumbonella include:* Callumbonella namibiensis Rolan, Gonzalez-Porto & de Matos-Pita, 2009...
Thiele, 1924 - EnidaEnidaEnida is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails....
A. Adams, 1860 - IntortiaIntortiaIntortia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Intortia include:* Intortia homocostata Egorova, 1972...
Egorova, 1972 - Labio Gray, 1850
- Tropidomarga PowellArthur William Baden PowellDr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...
, 1951 - UmbonellaUmbonellaUmbonella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.-Species:Species within the genus Umbonella include:* Umbonella sismondae...
A. Adams, 1863
Subfamily ?
- Ilanga Herbert, 1987
- MicrelenchusMicrelenchusMicrelenchus is a genus of small sea snails that have shells with pearly interiors and an operculum. They are marine gastropod molluscs in the family Trochidae, the top snails or top shells....
FinlayHarold John FinlayHarold John Finlay was a New Zealand palaeontologist and conchologist. He was born in Comilla, India , on 22 March 1901....
, 1926 : synonym of CantharidusCantharidusCantharidus is a genus of sea snail, a marine gastropod molluscs of the family Trochidae, the top shells.-Species:The World Register of Marine Species includes the following species with valid names within the genus Cantharidus :...
Montfort, 1810 - Olivia Cantraine, 1835
- Phorculus Cossmann, 1888
- Planitrochus Perner, 1903
- TalopenaTalopenaTalopena is a genus of sea snail, marine gastropod molluscs of the family Trochidae, the top shells.-Species:* Talopena carmesina * Talopena discerna Iredale, 1937* Talopena gloriola Iredale, 1929...
IredaleTom IredaleTom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
, 1918 - Thaltia
- ThoristellaThoristellaThoristella is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails or top shells.Thoristella is a synonym of Coelotrochus P...
IredaleTom IredaleTom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...
, 1915 - TurciculaTurciculaTurcicula is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.Turcicula has become a synonym of Lischkeia P. Fischer, 1879 -Species:Species within the genus Turcicula include:...
DallW. H. DallWilliam Healey Dall was an American naturalist, a prominent malacologist, and one of the earliest scientific explorers of interior Alaska...
, 1881 : synonym of LischkeiaLischkeiaLischkeia is a genus of sea snails, marine gastropod mollusks in the family Calliotropidae.-Species:Species within the genus Lischkeia include:* Lischkeia alwinae * Lischkeia imperialis...
P. Fischer, 1879