英语词汇“phragmacone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

WORD FAMILY

phragmacone

USAGE EXAMPLES

In the living Dibranchiata other than Spirula the phragmacone and rostrum have become very rudimentary.

Various, Encyclopaedia Britannica, 11th Edit...(2010)

In fossil genera and Spirula, shell has a multilocular phragmacone with a siphuncle; initial chamber globular and larger than the second chamber.

Various, Encyclopaedia Britannica, 11th Edit...(2010)

The most ancient forms characterized by the small size of the rostrum and pro�stracum, and large size of the phragmacone.

Various, Encyclopaedia Britannica, 11th Edit...(2010)

n the thin conical chambered internal shell (either straight or curved) of a belemnite

Syn|Hyper

phragmocone

shell

the hard largely calcareous covering of a mollusc or a brachiopod

单词	phragmacone
释义	phragmacone (once / 537242 pages) n WORD FAMILY phragmacone USAGE EXAMPLES In the living Dibranchiata other than Spirula the phragmacone and rostrum have become very rudimentary. Various, Encyclopaedia Britannica, 11th Edit...(2010) In fossil genera and Spirula, shell has a multilocular phragmacone with a siphuncle; initial chamber globular and larger than the second chamber. Various, Encyclopaedia Britannica, 11th Edit...(2010) The most ancient forms characterized by the small size of the rostrum and pro�stracum, and large size of the phragmacone. Various, Encyclopaedia Britannica, 11th Edit...(2010) n the thin conical chambered internal shell (either straight or curved) of a belemnite Syn\|Hyper phragmocone shell the hard largely calcareous covering of a mollusc or a brachiopod
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