PORT PHILLIP BAY


Bivalve Mollusc 

Cyamiomactra mactroides Tate & May, 1900

View scientific description and taxonomy

Scientific Details

Species in this family have small, shells, often orange to red in colour, with radial sculpture. Some species are efficient crawlers and shallow burrowers. The sexes are separate, and the eggs and larvae are brooded.

Taxonomy

Phylum:
Mollusca
Subphylum:
Conchifera
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cyamioidea
Family:
Cyamiidae
Genus:
Cyamiomactra
Species:
mactroides

General Description

Shells of this species are tiny, ovate, solid for the size, inflated, with numerous well-defined radial ribs. Exterior shell colour varies from cream or white to brown or pink. Shell up to 2 mm across.

Biology

This tiny species belongs to a family group that is well represented in the Australasian region and the Antarctic. They make shallow burrows in soft sediment on the sea floor.

Habitat

In soft sediments, from low intertidal areas to some depth.

Soft substrates

Coastal shores

Distribution guide

Most states of Australia.

Species Group

Sea snails and shells Bivalves

Depth

Shore (0-1 m)
Shallow (1-30 m)
Deep ( > 30 m)

Water Column

On or near sea floor

Max Size

2 mm

Diet

Organic matter

Commercial Species

No

Species Code

MoV 188

Conservation Status

  • DSE Advisory List : Not listed
  • EPBC Act 1999 : Not listed
  • IUCN Red List : Not listed

Author

article author Boyd, S.

Sue Boyd is an Honorary Associate in marine invertebrates at Museum Victoria.

citation

Cite this page as:
Boyd, S., 2011, Bivalve Mollusc, Cyamiomactra mactroides, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 24 May 2017, http://portphillipmarinelife.net.au:8098/species/4165

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