Category
page 1Chitons

Polyplacophora
Chitons () are marine molluscs of varying size in the class Polyplacophora ( ), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized.
Neoloricata
Neoloricata comprises the living representatives of the polyplacophoran molluscs, but also includes several species only known from fossils.
Chitonida
Chitonida is an order of chitons. The order was erected to class chitons with elaborate hull outgrowths on their eggs.

Lepidochitona cinerea
species of mollusc
Lepidopleurida
Lepidopleurida is an order of molluscs belonging to the class Polyplacophora.
The order Lepidopleurida is the oldest group of polyplacophoran molluscs
Families:
Abyssochitonidae
†Acutichitonidae
Afossochitonidae
†Camptochitonidae
†Cymatochitonidae
†Glyptochitonidae
†Gryphochitonidae
Hanleyidae
†Heterochitonidae
†Lekiskochitonidae
Leptochitonidae
†Llandeilochitonidae
†Mesochitonidae
Nierstraszellidae
†Permochitonidae
Protochitonidae
Acanthochitonina
Acanthochitonina is a of polyplacophoran mollusc comprising both fossil and extant species.
valve
anatomical term applied to the shell of molluscs
Lepidopleurina
Lepidopleurina is a suborder of polyplacophoran molluscs. It includes both extinct and extant species.