Mollusca: Slipper shell (Crepidula fornicata) preserved specimen.
Phylum: Mollusca, Class: Gastropoda, Order: Littorinimorpha, Superfamily: Calyptraeoidea, Family: Calyptraeidae, Genus: Crepidula, Species: C. fornicata. Binomial name is Crepidula fornicata (Linnaeus, 1758).
Also known as common Atlantic slippersnail, boat shell, quarterdeck shell, and common slipper limpet (in Britain).
Image shown is of Slipper shells on a sea scallop
Medium-sized marine gastropod mollusc. Native to Eastern coast of North America, though widely distributed. Crepidula are usually intertidal though may also be found in estuaries and throughout the littoral zone. They are commonly found in piles with each addition secreting pheremones that alter the sex of the others in the pile. Specifically, the oldest and largest are female and are at the bottom of the pile. The newest additions are at the top of the pile and are male. For this reason, the term "sequential hermaphrodite" has been applied to this species.
Forensics Lab Supply Number 9860130.
Preserved Biological Specimens
Preserved Marine Specimens
HTS = 0511.91.00