Girardia
Encyclopedia
Girardia is a genus
of freshwater
triclad
belonging to the Dugesiidae
family.
Until 1991 Girardia was considered a subgenus of Dugesia
, then it was upgraded to the genus rank. Many works are still using incorrectly the old genus for some Girardia species, mainly for Girardia tigrina.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...
triclad
Tricladida
Tricladida is an order of the Turbellaria, a group of free-living flatworms.Tricladida is characterized by triply branched intestine and anteriorly situated ovaries, next to the brain. Today it is split into three suborders, according to their phylogenetic relationships: Maricola, Cavernicola...
belonging to the Dugesiidae
Dugesiidae
Dugesiidae is a family of freshwater Tricladida distributed worldwide . According to molecular analyses, Dugesiidae is the sister group of land planarians.-Genera:Eleven Dugesiidae genera are known:* Bopsula* Cura* Dugesia...
family.
Until 1991 Girardia was considered a subgenus of Dugesia
Dugesia
Dugesia is a genus of dugesiid flatworms containing some common representatives of the class Turbellaria. These common flatworms are found in freshwater habitats. Their digestion tract consists of a central tubular pharynx. Each branch consists of ceca, which delivers the nutrients to the body...
, then it was upgraded to the genus rank. Many works are still using incorrectly the old genus for some Girardia species, mainly for Girardia tigrina.
Species
- Girardia anceps (Kenk, 1930)
- Girardia anderlani (Kawakatsu & Hauser, 1983)
- Girardia andina (Borelli, 1895)
- Girardia antillana Kenk, 1941
- Girardia arimana (Hyman, 1957)
- Girardia arizonensis Kenk, 1975
- Girardia aurita (Kennel, 1888)
- Girardia arndti Marcus, 1946
- Girardia avertiginis Sluys, 2005
- Girardia azteca (Benazzi & Giannini, 1971)
- Girardia barbarae (Mitchell & Kawakatsu, 1973)
- Girardia biapertura Sluys, 1997
- Girardia bursalacertosa Sluys, 2005
- Girardia cameliae (Fuhrmann, 1914)
- Girardia canai Curino & Cazzaniga, 1993
- Girardia capacivasa Sluys & Kawakatsu, 2005
- Girardia chilla (Marcus, 1954)
- Girardia cubana Codreanu & Balcesco, 1973
- Girardia dimorpha (Bohmig, 1902)
- Girardia dorotocephala (Woodworth, 1897)
- Girardia dubia (Borelli, 1895)
- Girardia festae (Borelli, 1898)
- Girardia glandulosa (Kenk, 1930)
- Girardia graffi (Weiss, 1909)
- Girardia guatemalensis (Mitchell & Kawakatsu, 1973)
- Girardia hoernesi (Weiss, 1910)
- Girardia hypoglauca Marcus, 1948
- Girardia informis Sluys & Grant, 2006
- Girardia jugosa Sluys, 2005
- Girardia longistriata (Fuhrmann, 1914)
- Girardia mckenziei (Mitchell & Kawakatsu, 1973)
- Girardia microbursalis (Hyman, 1931)
- Girardia nonatoi Marcus, 1946
- Girardia paramensis Fuhrmann, 1914
- Girardia polyorchis Fuhrmann, 1914
- Girardia rincona (Marcus, 1954)
- Girardia sanchezi Hyman, 1955
- Girardia seclusa (de Beauchamp, 1940)
- Girardia sphincter Sluys & Kawakatsu, 2001
- Girardia striata (Weiss, 1910)
- Girardia tigrina (Girard, 1850)
- Girardia titicacana (Hyman, 1939)
- Girardia typhlomexicana (Mitchell & Kawakatsu, 1973)
- Girardia veneranda Martins, 1970
- Girardia ururiograndeana (Kawakatsu, Hauser & Ponce de Leon, 1992)