An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms
|by Paul S. Mikkelsen|
In CEPHALOPODS, the delicate, hose-like extension from the VISCERAL MASS that runs through all the chambers of the shell in Nautilus and Spirula; a small SIPHON; see also: PHRAGMOCONE.
See the excellent "Cephalopod Glossary" by Richard E. Young, Michael Vecchione, and Katharina M. Mangold.
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