Phylum - Mollusca
Common name: Snails, Slugs, Squids, Octopuses, Seaslugs, Clams, Chitons, Tusk Shells, etc.
Name derivation: “soft”
- Class: Bivalvia
- Class: Caudofoveata
- Class: Cephalopoda
- Class: Gastropoda
- Class: Monoplacophora
- Class: Polyplacophora
- Class: Scaphopoda
- Class: Solenogastres
Number of Orders: 99
Number of Families: 1694
Number of Genus: 16,018
Number of known Species: 136,462
Earliest Fossil Record: Cambrian 541 - 485 mya
Habitat: Marine, Terrestrial, Freshwater, Brackish
Size Range: 0.4 mm to 14 m
Notes: Two extinct classes not included. Based on Catalogue of Life as of July 2024