Hokkaidoconchidae
Hokkaidoconchidae, common name hokkaidoconchids, is an extinct family of deep-water sea snails, marine gastropod mollusks.[2]
Shell description
The shell is small and elongate.[2]
Genera
- Hokkaidoconcha Kaim, Jenkins & Warén, 2008 - type genus
- Hokkaidoconcha tanabei Kaim, Jenkins & Warén, 2008 - the type species from the upper Cretaceous in Japan
- Hokkaidoconcha bilirata Kiel, Campbell, Elder & Little, 2008 - from the lower Cretaceous in Wilbur Springs, California, USA[2]
- Hokkaidoconcha morenoensis Kiel, Campbell, Elder & Little, 2008 - from the upper Cretacous in Moreno Gulch, California, USA[2]
- Hokkaidoconcha occidentalis (Stanton, 1895) - synonym Hypsipleura? occidentalis Stanton, 1895[3] - from the upper Jurassic to the lower Cretaceous in California: Paskenta, California, Berryessa, San Jose, California, Wilbur Springs, California[2]
- Hokkaidoconcha tehamaensis Kiel, Campbell, Elder & Little, 2008 - from the upper Jurassic in Paskenta, California, USA[2]
References