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Scaphella Martinshugari
''Scaphella'' is a genus of large sea snails, marine gastropod mollusks in the family Volutidae, the volutes.Bail, P. (2012). Scaphella. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=382285 on 2012-07-09 Distribution This is a tropical genus occurring in the Western Atlantic Ocean and the Caribbean Sea. Description There are both living and fossil species in this genus, which first appeared in the Paleocene. The fusiform, patterned shell is small to large. The protoconch is smooth and papilliform, often with a calcarella. The columellar plates are weak or absent. The periostracum is present, but an operculum is not. The radula is small, and variable from Y-shaped to tricuspid. Species Species within the genus ''Scaphella'' include: [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
