| 翻訳と辞書 |
Cryptodonta
The Cryptodonta are a nearly-extinct subclass of the bivalves. It contains a single extant order, Solemyoida, while the Praecardioida are known only from fossils.
The valves of the shell are relatively thin and somewhat elongated. Unlike most other bivalves, species in this group have no hinge teeth on their shells. They have relatively primitive, "protobranchiate", gills.
==Taxonomy==
* Cryptodonta
*
* Order †Praecardioida
*
*
* Family †Butovicellidae
*
*
*
* Genus †''Butovicella''
*
*
* Family †Praecardiidae
*
*
*
* Genus †''Slava''
*
*
*
* Genus †''Cardiola''
*
*
* Family †Antipleuridae
*
*
*
* Genus †''Dualina''
*
*
*
* Genus †''Hercynella''
*
*
*
* Genus †''Panenka (genus)''
*
* Order Solemyoida
*
* Superfamily Solemyoidea
*
*
* Family Solemyidae (Awning clams)
*
*
*
* Genus ''Acharax''
*
*
*
* Genus ''Solemya''
*
*
* Family Manzanellidae
*
*
*
* Genus ''Manzanella''
*
*
*
* Genus ''Posterodonta''
*
*
* Family Nucinellidae
*
*
*
* Genus ''Huxleyia''
*
*
*
* Genus ''Nucinella''
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Cryptodonta」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|