About Seashells
Terminology, anatomy, classification, etc.
Illustrations of Shell Features
Conchology vis-a-vis Malacology
The birth of malacology. When and how?
Holotypes, new species, museum deposits. A discussion from Conch-L.
Paucispiral vs Planktotrophic Protoconchs
Species, subspecies and forms. How do we measure speciation?
Terminology - Discussion of "Types", And, terms in species names & data slips
Understanding synonyms, INT'L CODE OF ZOOLOGICAL NOMENCLATURE
a seashell ex pisce, literally meaning “out of fish.”
Websites with definitions of morphological features:
Paul Mikkelsen's Glossary of Malacological and Conchological Terms
Advanced glossary of molluscan terms (bivales & univalves)
Invertebrate Glossary (Texas A&M University at Galveston)
Bivalves
Univalves
Lira, Lirae, Lirate, Lirations
Posterior twist, angle, ridge or carina (flexure)