An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms

by Paul S. Mikkelsen

Look for:

Search results for:   AXIS       3 terms were found.

Term	Definition

---

AXIS		The center around which the WHORL of a gastropod shell coil. See illustration: Composite Gastropod. See also: COLUMELLA.

---

CARDINAL AXIS		Imaginary straight line along which 2 valves of shell are hinged; = HINGE AXIS.

---

HINGE AXIS		Imaginary straight line along which 2 valves of a shell are hinged; = CARDINAL AXIS; see also: HINGE LINE.

---

Copyright ©Paul S. Mikkelsen, All Rights Reserved

Return to Home Page  |  Return to Top

Over 1700 Terms in the Glossary!