PORT PHILLIP BAY


Bivalve Mollusc 

Mysella donaciformis Angas, 1878

View scientific description and taxonomy

Scientific Details

Members of this family are small to minute and demonstrate great variation in shell shape and external sculpture. Species often have a commensal relationship with other invertebrates including bivalves, crustaceans, echinoderms and worms. This single family is now recognised to include a number of groups which were formally given family status, including Lasaeidae, Leptonidae, Mysellidae and Montacutidae.

Taxonomy

Phylum:
Mollusca
Subphylum:
Conchifera
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Galeommatoidea
Family:
Galeommatidae
Genus:
Mysella
Species:
donaciformis

General Description

Shells of this species are small, wedge shaped (cuneate), quite solid and chalky. Valve rounded apex (umbo) in posterior third of shell. Exterior covered with light brown coating (periostracum), may be darker in posterior area. Exterior sculpture of numerous fine concentric lines (striae). Right valve with single strong tooth, ligament internal. Shell up to 6 mm across.

Biology

This species can occur in large numbers. Like other species in this family group of bivalves, these tiny animals often have a commensal relationship with invertebrates including other bivalves, crustaceans, echinoderms and worms.

Habitat

On sand banks and in muddy areas in protected bays.

Soft substrates

Distribution guide

Southern Australia.

Species Group

Sea snails and shells Bivalves

Depth

Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

6 mm

Diet

Organic matter

Commercial Species

No

Species Code

MoV 889

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, Mysella donaciformis, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 23 Sep 2017, http://portphillipmarinelife.net.au:8098/species/5261

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