Peasiella isseli

Peasiella isseli
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Littorinidae
Genus:	Peasiella
Species:	P. isseli
Binomial name
	Peasiella isseli; (Issel, 1869)
Synonyms
	List Risella isseli Issel, 1869; Risella isseli var. carinata Pallary, 1926; Risella isseli var. undata Pallary, 1926; Trochus sismondae Issel, 1869; Umbonella sismondae (Issel, 1869);

Peasiella isseli is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.^[1]

Description

The height of the shell attains 4 mm, its diameter also 4 mm. The small, imperforate, greenish shell has a conoid shape. It contains minute, transverse striae. The apex is obtuse. The 41⁄2 whorls increase slowly in size. They are slightly convex and have a distinct suture. The body whorl takes up half of the total length. Its base is angulated and shows on its lower parts four concentric ribs. The oblique aperture is subcircular.^[2]

Distribution

This species occurs in the Red Sea on coral reefs.

References

^ ^a ^b "WoRMS - World Register of Marine Species - Peasiella isseli (Issel, 1869)". www.marinespecies.org. Retrieved 14 July 2023.
^ Issel A. (1869), Malacologia del Mar Rosso : ricerche zoologiche e paleontologiche / di Arturo Issel ; memoria letta al congresso dei Naturalisti Italiani in Vicenza nel 1868

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[WoRMS-1] "WoRMS - World Register of Marine Species - Peasiella isseli (Issel, 1869)". www.marinespecies.org. Retrieved 14 July 2023.

[2] Issel A. (1869), Malacologia del Mar Rosso : ricerche zoologiche e paleontologiche / di Arturo Issel ; memoria letta al congresso dei Naturalisti Italiani in Vicenza nel 1868

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