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Molluscs of Tasmania

Acanthochitonidae – Acanthochitoninae: Notoplax addenda Iredale & Hull, 1925 (‘addenda chiton’)

Synonym(s): addenda Iredale & Hull, 1925 subspeciosa Iredale & Hull, 1925.
Typical shell-length not yet determined. Lives subtidally amongst sponges, specifically on Asteropus spp., on which it feeds. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA).


Class: Polyplacophora
Subclass: Chelodina
Order: Neoloricata
Superfamily: Acanthochitonina
Family: Acanthochitonidae
Subfamily: Acanthochitoninae
Genus: Notoplax

Localities for Notoplax addenda
species image
locality map