Emarginula undulata

Emarginula undulata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.^[1][2][3]

Emarginula undulata
Shell of Emarginula undulata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Lepetellida
Family:	Fissurellidae
Subfamily:	Emarginulinae
Genus:	Emarginula
Species:	E. undulata
Binomial name
Emarginula undulata Melvill & Standen, 1903
Synonyms[1]
Emarginula vadum Barnard, 1963

Description

Dimensions: base 6.8 × 4.6 mm, height 3.8 mm.

Distribution

This marine species is widely distributed along the continental margin of the western Indian Ocean, extending from the Gulf of Oman south to eastern South Africa, at depths ranging from 50 to 400 meters, with living specimens typically found between 75 and 120 meters. It was recently recorded in the Philippines (Poppe & Tagaro 2020) and has been found on the slopes of Walters Shoal (off Madagascar) at depths of 256–490 meters.^[4]