''Myadora boltoni'' is a marine

bivalve Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class (biology), class of aquatic animal, aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed b ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Myochamidae Myochamidae is a family of marine bivalves in the superorder Anomalodesmata Anomalodesmata is an superorder (biology), superorder of saltwater clams, marine (ocean), marine bivalve molluscs. This grouping was formerly recognised as a taxonomi ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to New Zealand. It is common on protected sandflats.

Description

The shell measures about by length and width. One valve is moderately convex whereas the other valve is slightly concave.

Description

References

Further reading