Vertigo gouldii
Drawing of the aperture of a shell of Vertigo gouldii
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Order:	Stylommatophora
Family:	Vertiginidae
Subfamily:	Vertigininae
Genus:	Vertigo
Species:	V. gouldii
Binomial name
Vertigo gouldii (A. Binney, 1843)
Synonyms
Pupa coloradensis Cockerell, 1889 (nomen nudum) Pupa gouldii A. Binney, 1843 (original combination) Vertigo (Vertigo) gouldi (A. Binney, 1843) · alternate representation Vertigo coloradensis var. arizonensis Pilsbry & Vanatta, 1900 Vertigo columbiana var. utahensis Pilsbry & Vanatta, 1900 ·

Vertigo gouldii, common name the variable vertigo, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the whorl snails.^[1]

Subspecies

• Vertigo gouldii arizonensis Pilsbry & Vanatta, 1900
• Vertigo gouldii coloradoensis (Cockerell, 1891)
• Vertigo gouldii inserta Pilsbry, 1919

This species occurs in:

• Texas,^[2] USA.

• Binney, A. (1843). Critical notice of the species found in the United States, which, at present, are described as constituting the genus Pupa. Proceedings of the Boston Society of Natural History, 1: 104–106.
• Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Florida Museum of Natural History Bulletin. 50(1): 1-299
• Rosenberg, G. & Muratov, I. V. (2006). Status report on the terrestrial Mollusca of Jamaica. Proceedings of the Academy of Natural Sciences of Philadelphia. 155: 117–161; Erratum: 156: 401 (2007).

Wikimedia Commons has media related to Vertigo gouldii.

• Cockerell, T. D. A. (1889). Preliminary remarks on the molluscan fauna of Colorado. Journal of Conchology. 6(1): 60-65.
• Pilsbry, H. A. & Vanatta, E. G. (1900). A partial revision of the Pupae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia. 52: 582-611, plates 22-23.
• Sterki, V. (1890). On some northern Pupidae, with descriptions of new species. The Nautilus. 3(11): 123-126