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Pseudexomilus

Genus of gastropods From Wikipedia, the free encyclopedia

Pseudexomilus
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Pseudexomilus is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.[1] Members are found on the coasts of Australia and in the Indian Ocean.

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Description

In the original description, Ponder described Pseudexomilus as follows:

It has a 2½-whorled blunt protoconch, tip smooth, remaining two whorls radially costate. The shell is tall-spired, Terebra-like, sculptured with wavy spiral cords crossed by obsolescent axials. The sinus is Daphnellid, descending obliquely and recurrently from the suture, more or less straight, but narrowly rounded at the apex before descending obliquely forward below the weakly defined shoulder.[2]

The genus has a moderately small shell measuring between 8–12 mm (0.31–0.47 in), is claviform with a tall spire and small ovate-quadrate aperture.[3][4] Pseudexomilus can be distinguished due to having a strongly contracted base, and a large and blunt apex.[4]

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Taxonomy

The genus was first described by Baden Powell in 1944, who named Pseudexomilus caelatus as the type species.[2] It was placed as a likely member of the family Horaiclavidae in 2011.[5]

Distribution

Members of Pseudexomilus are found in the waters of Australia, Southern Africa and Oman.[6][7] Fossils of the species date to the lower mid Pliocene, and are found in South Australia.[3]

Species

Species within the genus Pseudexomilus include:[1]

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References

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