Hokkaidoconchidae, common name hokkaidoconchids, is an extinct family of deep-water sea snails, marine gastropod mollusks.[2]
| Hokkaidoconchidae | |
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| Two shells of Hokkaidoconcha occidentalis from the original 1895 description. | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Caenogastropoda
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| Superfamily: | |
| Family: | Hokkaidoconchidae Kaim, Jenkins & Warén, 2008[1]
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Shell description
editThe shell is small and elongate.[2]
Genera
edit- 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 Cretaceous 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
edit- ^ Kaim A., Jenkins R.G. & Warén A. 2008. Provannid and provannid−like gastropods from Late Cretaceous cold seeps of Hokkaido (Japan) and the fossil record of the Provannidae (Gastropoda: Abyssochrysoidea). Zoological Journal of the Linnean Society 154: 421–436.
- ^ a b c d e f Kiel, S., Campbell, K.A., Elder, W.P., and Little, C.T.S. 2008. Jurassic and Cretaceous gastropods from hydrocarbon seeps in forearc basin and accretionary prism settings, California. Acta Palaeontologica Polonica 53 (4): 679–703.
- ^ Stanton T. W. 1895. Contributions to the Cretaceous paleontology of the Pacific coast: the fauna of the Knoxville beds. United States Geological Survey Bulletin 133: 1–132.
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