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Definition of Scaphopoda in English: Scaphopodaplural nounˌskafəˈpəʊdəskəˈfäpədə Zoology A class of molluscs that comprises the tusk shells. 〔动〕掘足纲软体动物 Example sentencesExamples - 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.
- Recent evaluations of morphological and paleontological data as well as 18S rRNA sequences alternatively conclude that Scaphopoda is the sister group to Cephalopoda.
- There are approximately 900 species of Scaphopoda, commonly called tusk shells.
- It is also now generally thought that they were ancestral to the Cephalopoda and Scaphopoda as well.
- According to Engeser & Riedel, during the Devonian, the conocardoid rostroconchs gave rise to the Scaphopoda, which therefore are technically Rostroconchia (in the same way that birds are dinosaurs).
Derivativesnoun ˈskafəpɒd Zoology Most scaphopods are found in waters greater than 6 m. Example sentencesExamples - Like scaphopods, bivalves have a retractile foot which they use to burrow.
- In molluscs, engrailed expression surrounds the shell gland of snails and scaphopods.
- 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.
OriginModern Latin (plural), from Greek skaphē 'boat' + pous, pod- 'foot'. Definition of Scaphopoda in US English: Scaphopodaplural nounskəˈfäpədə Zoology A class of mollusks that comprises the tooth shells. 〔动〕掘足纲软体动物 Example sentencesExamples - Recent evaluations of morphological and paleontological data as well as 18S rRNA sequences alternatively conclude that Scaphopoda is the sister group to Cephalopoda.
- It is also now generally thought that they were ancestral to the Cephalopoda and Scaphopoda as well.
- 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.
- According to Engeser & Riedel, during the Devonian, the conocardoid rostroconchs gave rise to the Scaphopoda, which therefore are technically Rostroconchia (in the same way that birds are dinosaurs).
OriginModern Latin (plural), from Greek skaphē ‘boat’ + pous, pod- ‘foot’. |