PORT PHILLIP BAY


Chiton 

Plaxiphora albida (Blainville, 1825)

View scientific description and taxonomy

Scientific Details

Suborder and Family level characters:
Tegmentum always present.
Anterior valve with 6 or more slits.
Insertion plates not pectinate.
Posterior valve with terminal sinus.
Tegmentum without extrapigmentary ocelli.

Species level characters:
Anterior valve with radiating ridges. Middle valves with convex bump on posterior edge (beaked), narrow curved ridges across and a single ridge radiating outwards. Girdle covered with long bristles.

Sources:
Macpherson, J. H. and Gabriel, C. J. (1962) Marine Molluscs of Victoria.
Kass, P., Jones, A. M. and Gowlett-Holmes, K. L. (1998) Polyplacophora, in: Mollusca: the southern synthesis, Australian Biological Resources Study.

Taxonomy

Phylum:
Mollusca
Class:
Polyplacophora
Order:
Neoloricata
Suborder:
Ischnochitonina
Family:
Mopaliidae
Genus:
Plaxiphora
Subgenus:
Plaxiphora
Species:
albida

General Description

Flattened oval shaped body with 8 shell sections (valves) surrounded by a fleshy girdle. Usually dark green with cream bands, girdle brown with darker bands. Up to 10 cm long.

Biology

As these animals grow older, they become overgrown with algae and other small species such as barnacles and bryozoans. The shells may also become strongly eroded, removing features present on young, small animals.

Habitat

Rock platforms on exposed coast, up to the high tide area, to depth of 16 m.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Sea snails and shells Chitons

Depth

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

Water Column

On or near sea floor

Max Size

10 cm

Diet

Herbivore

Commercial Species

No

Global Dispersal

Native to Australia

Identify

Conservation Status

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

Author

article author Patullo, B.

Blair Patullo is Online Producer for marine projects at Museum Victoria.

citation

Cite this page as:
Patullo, B., 2011, Chiton, Plaxiphora albida, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 19 Sep 2017, http://portphillipmarinelife.net.au:8098/species/5690

Text: creative commons cc by licence