|
''Crommium'' is an extinct genus of sea snails, marine gastropod mollusks in the family Naticidae, the moon snails. ==Species== Species within the genus ''Crommium'' include: 〔 (Fossilworks )〕 *† ''Crommium andersoni'' Dickerson 1914 *† ''Crommium ferrugineum'' (Grat.) *† ''Crommium globosa'' Perrilliat et al. 2006 *† ''Crommium intermedia'' Deshayes 1832 *† ''Crommium masinguiensis'' Clark and Durham 1946 *† ''Crommium palmasensis'' Clark and Durham 1946 *† ''Crommium palmerae'' Clark and Durham 1946 *† ''Crommium perovatum'' Conrad 1846 *† ''Crommium pinyonensis'' Dickerson 1914 *† ''Crommium pseudowillemeti'' Eames 1952 *† ''Crommium rouaulti'' d'Archiac and Haime 1854 *† ''Crommium willemettii'' Deshayes 1825 Fossils of the sea snails within this genus have been found in sediments of Europe, United States, Colombia, Somalia and Nigeria from Paleocene to Eocene (age range: 61.7 to 23.03 million years ago).〔 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「Crommium」の詳細全文を読む スポンサード リンク
|