Heterodonta
Empty cockle shell
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Heterodonta
Orders
†Cycloconchidae †Hippuritoida †Lyrodesmatidae Myoida †Redoniidae Veneroida

Heterodonta is a mollusc subclass in the class Bivalvia and contains the orders †Cycloconchidae, †Hippuritoida (rudists), †Lyrodesmatidae, Myoida (typical clams and allies), †Redoniidae, and Veneroida (cockles and allies). Molluscs are animals belonging to the phylum Mollusca. There are around 250000 extant Species within the phylum with an estimated 70000 Bivalves are Molluscs belonging to the class Bivalvia. They have two-part shells and typically both valves are symmetrical along the hinge line Rudists are a group of bizarrely shaped marine Heterodont Bivalves that arose during the Jurassic, and became so diverse during the Myoida is an order of Bivalve Molluscs Classification Superfamily Anomalodesmacea Superfamily The Veneroida or veneroids are an order of Bivalve Molluscs They include some familiar forms such as saltwater Clams and Molluscs are animals belonging to the phylum Mollusca. There are around 250000 extant Species within the phylum with an estimated 70000 Bivalves are Molluscs belonging to the class Bivalvia. They have two-part shells and typically both valves are symmetrical along the hinge line Rudists are a group of bizarrely shaped marine Heterodont Bivalves that arose during the Jurassic, and became so diverse during the Myoida is an order of Bivalve Molluscs Classification Superfamily Anomalodesmacea Superfamily The Veneroida or veneroids are an order of Bivalve Molluscs They include some familiar forms such as saltwater Clams and

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