Macroschisma productum

Macroschisma productum, common name the elongated keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.^[1][2]

Macroschisma productum
Top view of a shell of Macroschisma productum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Lepetellida
Family:	Fissurellidae
Subfamily:	Fissurellinae
Genus:	Macroschisma
Species:	M. productum
Binomial name
Macroschisma productum Adams, 1850
Synonyms[1]
Macrochisma producta Adams, 1851 (basionym) Macroschisma producta [sic] (incorrect gender ending)

Description

The length of the shell varies between 22 mm and 40 mm.

Distribution

This marine species occurs in the following locations:^[1]

• Madagascar
• New South Wales, Victoria, South Australia, Western Australia and Tasmania.