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单词 Scaphopoda
释义

Scaphopoda

/ˌskafəˈpəʊdə /
plural noun Zoology
A class of molluscs that comprises the tusk shells.There are approximately 900 species of Scaphopoda, commonly called tusk shells....
  • The assemblage of Bivalvia, Gastropoda and Scaphopoda contains 24 species, of which 13 are considered new, and is unequivocally the best-preserved Cretaceous molluscan fauna from the Australian region.
  • It is also now generally thought that they were ancestral to the Cephalopoda and Scaphopoda as well.

Derivatives

scaphopod

/ˈskafəpɒd/ noun ...
  • Other molluscs are present but less common, including bivalves, scaphopods, orthoconic cephalopods, tentaculitids, and small, indeterminate juvenile ammonoids.
  • Moreover, cephalopods or both scaphopods and cephalopods, are closely related to, and descended from, laterally compressed helcionelloids.
  • Like scaphopods, bivalves have a retractile foot which they use to burrow.

Origin

Modern Latin (plural), from Greek skaphē 'boat' + pous, pod- 'foot'.

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更新时间:2024/11/12 11:31:31