phragmocone
/ˈfraɡməkəʊn/(also phragmacone) Zoology
noun
The chambered part of the shell in some cephalopods; especially the conical chambered internal shell of a belemnite.
Origin
Mid 19th century; earliest use found in Richard Owen (1804–1892), comparative anatomist and palaeontologist. From phragm- + -o- + cone.
- Spencerian
- Spencer, Sir Stanley
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- Spender, Sir Stephen
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- Spenserian stanza
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- spermatic cord
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