Tag Archives: Vertigo

Vertigo marki Gulick

Mark’s Whorl Snail (Vertigo marki)

Mark’s Vertigo Snail was described in 1904 based on “fossil” material that was found on the Bermuda Islands.

The shells reach sizes of about 0,2 cm in height.

“This species has never been documented alive, although empty Recent shells are recorded from leaf litter around church Cave ….” [1]

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References:

[1] Rüdiger Bieler; John Slapcinsky: A case study for the development of an island fauna: recent terrestrial mollusks of Bermuda. Nemouria 44: 1-99. 2000

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Depiction from: ‘George W. Tryon; Henry A. Pilsbry; a.o.: Manual of Conchology. Second series: Pulmonata, Vol. 25, Pupillidae (Gastrocoptinae, Vertigininae), 1918-1920′

(public domain)

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edited: 05.05.2022

Vertigo bermudensis Pilsbry

Bermuda Whorl Snail (Vertigo bermudensis)

The Bermuda Whorl Snail was described in 1919, this species is known only from a few specimens which all have been collected in the early 1900s from the vicinitiy of Church Cave near Tucker’s Town, a small town in the St. George’s Parish on Bermuda.

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Photo from: ‘Rüdiger Bieler; John Slapcinsky: A case study for the development of an island fauna: recent terrestrial mollusks of Bermuda. Nemouria 44: 1-99. 2000’

(under creative commons license (3.0))
http://creativecommons.org/licenses/by-nc-sa/3.0 

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edited: 13.06.2020