Hokkaidoconchidae
Encyclopedia
Hokkaidoconchidae, common name hokkaidoconchids, is an extinct family
of deep-water sea snail
s, marine
gastropod mollusks.
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 deep-water 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 mollusks.
Genera
- Hokkaidoconcha Kaim, Jenkins & Warén, 2008 - type genus
- Hokkaidoconcha tanabei Kaim, Jenkins & Warén, 2008 - the type species from the upper CretaceousCretaceousThe Cretaceous , derived from the Latin "creta" , usually abbreviated K for its German translation Kreide , is a geologic period and system from circa to million years ago. In the geologic timescale, the Cretaceous follows the Jurassic period and is followed by the Paleogene period of the...
in Japan - Hokkaidoconcha bilirata Kiel, Campbell, Elder & Little, 2008 - from the lower Cretaceous in Wilbur Springs, CaliforniaWilbur Springs, CaliforniaWilbur Springs is an unincorporated community in Colusa County, California. It lies at an elevation of 1450 feet ....
, USA - Hokkaidoconcha morenoensis Kiel, Campbell, Elder & Little, 2008 - from the upper Cretacous in Moreno Gulch, CaliforniaMoreno Valley, CaliforniaMoreno Valley is a city located in Riverside County, California.A relatively young city, its rapid growth in the 1980s and the first decade of the 21st century made it second-largest city in Riverside County by population, and one of the Inland Empire's population centers. As of the 2010 census,...
, USA - Hokkaidoconcha occidentalis (Stanton, 1895) - synonym Hypsipleura? occidentalis Stanton, 1895 - from the upper JurassicJurassicThe Jurassic is a geologic period and system that extends from about Mya to Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...
to the lower Cretaceous in CaliforniaCaliforniaCalifornia is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
: Paskenta, California, Berryessa, San Jose, CaliforniaBerryessa, San Jose, CaliforniaThe Berryessa District or North Valley in San Jose, California is located in the northeast portion of the city, between Coyote Creek and the Diablo Range foothills. The neighborhood borders Milpitas along Landess Avenue to the north and the Alum Rock neighborhood of East San Jose along Mabury Road...
, Wilbur Springs, CaliforniaWilbur Springs, CaliforniaWilbur Springs is an unincorporated community in Colusa County, California. It lies at an elevation of 1450 feet .... - Hokkaidoconcha tehamaensis Kiel, Campbell, Elder & Little, 2008 - from the upper JurassicJurassicThe Jurassic is a geologic period and system that extends from about Mya to Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...
in Paskenta, California, USA
- Hokkaidoconcha tanabei Kaim, Jenkins & Warén, 2008 - the type species from the upper Cretaceous