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Hexaplex
''Hexaplex'' is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Muricidae, the murex shells or rock snails. 〔 Houart, R.; Gofas, S. (2010). Hexaplex Perry, 1810. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138194 on 2010-11-01 〕 This genus is known in the fossil record from the Paleocene to the Quaternary period (age range: from 61.7 to 0.012 million years ago.). Fossil shells within this genus have been found all over the world. 〔 (Fossilworks )〕 ==Description== This genus includes shells in the family Muricidae that are solid and globose. They contain five to eight varices that are more or less foliaceous.
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「Hexaplex」の詳細全文を読む
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