Megathura crenulata

Megathura crenulata
Megathura crenulata
Megathura crenulata on the right, and the warty sea cucumber Parastichopus parvimensis on the left
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Fissurelloidea
Family: Fissurellidae
Genus: Megathura
Species: M. crenulata
Binomial name
Megathura crenulata
G. B. Sowerby I, 1825
Living specimen of Megathura crenulata with mantle extended over much of its shell.

Megathura crenulata, common name the "great keyhole limpet" or "giant keyhole limpet", is a species of limpet in the family Fissurellidae. These keyhole limpets are large, growing up to 60-132 mm.[1] They are found in the Eastern Pacific.[2]

Megathura is a monotypic genus, in other words, this is the only species in that genus.

Keyhole limpet hemocyanin

Keyhole limpet hemocyanin from Megathura crenulata is used as vaccine carrier protein.

References