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An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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| by Paul S. Mikkelsen | |||
| Term | Definition |
| EXTRA-BRANCHIAL APPENDAGE | [need definition]. In NUDIBRANCHS… See illustration: Composite Nudibranch. | |
| GENITAL OPENING | See: GENITAL PORE. | |
| PEN | The internal "shell" of SQUID; see also: GLADIUS; RACHIS; VANE. | |
| PENIS | See: VERGE. | |
| PENULTIMATE | Next to the last; see also: PENULTIMATE WHORL. | |
| PENULTIMATE WHORL | The next to the last WHORL, or the one before the BODY WHORL (of snails). | |
| REPENT | Descriptive of shells which, being ATTACHED by the whole length of their shell, give the appearance of creeping or crawling. | |
| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |