Selected Vertiginid Species - United States And Canada (Page Two)


Vertigo meramecensis Van Devender, 1979 (2.0 mm.)	Vertigo milium (Gould, 1840) (1.4 mm.)
Franklin Co., Missouri	Duval Co., Florida
Also see: Vertigo meramecensis	Vertigo milium Living Specimen
Click image below for a larger view/additional images	Click image below for a larger view/additional images

Vertigo modesta modesta (Say, 1824) (2.20 mm.)	Vertigo modesta castanea Pilsbry and Vanatta 1900
	*form microphasma* Berry, 1919 (2.0 mm.)**
Fremont Co., Wyoming	Near Brookmere, BC, Canada
Click image below for a larger view/additional images

Vertigo modesta corpulenta (Morse, 1865) (2.53 mm.)	Vertigo morsei Sterki, 1894 (2.55 mm.)
Idaho Co., Idaho	Will Co., Illinois

Vertigo nylanderi Sterki, 1909 (1.6 mm.)	Vertigo oralis Sterki, 1898 (1.76 mm.)
Penobscot Co., Maine	St. Johns Co., FL
	Vertigo oralis Living Specimens

Vertigo cf. oralis Sterki, 1898 (1.95 mm.)	Vertigo oscariana Sterki, 1890 (1.5 mm.)
[note infraparietal and two angular lamellae, all characteristic]	Also see: Vertigo oscariana
Duval Co., Florida	Duval Co., Florida

*(left) Vertigo ovata* Say, 1822 (2.0 mm.)**	Vertigo perryi Sterki, 1905 (1.65 mm.)
*(right) Vertigo* cf. oralis Sterki, 1898 (2.05 mm.)**
Duval Co., Florida	Rockingham Co., New Hampshire
*Also see: Vertigo ovata* Say, 1822**
Click image below for a larger view

Vertigo paradoxa Sterki, 1900 (1.55 mm.)	Vertigo pygmaea (Draparnaud, 1801) (1.9 mm.)
Hastings Co., Ontario, Canada FMNH 132317	Knox Co., Maine


Vertigo rugosula Sterki, 1890 (2.15 mm.)	Vertigo rugosula Sterki, 1890 (2.04 mm.)
Sinistral specimen on the left and dextral specimen	Scanning Electron Micrograph
on the right. Collected by Harry Lee in his back yard.
Duval Co., Florida	Duval Co., Florida
[click on image below for larger version]

*Three southeastern U.S. Vertigo* spp.**	Vertigo teskeyae Hubricht, 1961 ( 2.4 mm.)
*L to R: Vertigo* cf. oralis from Baldwin, Florida, 1.95 mm;**	St. Johns Co., Florida
Vertigo oralis from Mobile, Alabama, 1.81 mm;
Vertigo rugosula Duval Co., Florida, 2.04 mm.

Vertigo tridentata Wolf, 1870 (2.0 mm.)	Vertigo ventricosa (E. S. Morse, 1865) (1.65 mm.)

Berkshire Co., Massachusetts	Bennington Co., Vermont
*Also see: Vertigo tridentata* Wolf, 1870**

Nearctula rowellii diegoensis (Sterki, 1892) (2.30 mm.)	Nearctula new species "p" Roth and Sadeghian (2006: 52) (2.5 mm.)
Pacific Beach, San Diego Co., California	Multonomah Co., Oregon
Collected by Henry Hemphill ca. 1920.
Roth, B. and P. S. Sadeghian, 2006. Checklist of the land snails and slugs of Californian. Second edition. Santa Barbara Museum of Natural History Contributions in Science 3: 1-82. Oct. 20.