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

Vertigo meramecensis Van Devender, 1979 (2.0 mm.)

Vertigo milium (Gould, 1840)

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 microphasma Berry, 1919 (2.0 mm.)

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
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 (1.8  mm.)

Vertigo oralis Sterki, 1898 (1.9 mm.)

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
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

Vertigo ovata & Vertigo cf. oralis

Vertigo perryi Sterki, 1905 (1.8 mm.)

(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 Vertigo pygmaea (Draparnaud, 1801)
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 - sinistral and dextral - Striate Vertigo Vertigo rugosula Sterki, 1890 (2.04 mm.)
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.)
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  Vertigo ventricosa (E. S. Morse, 1865)
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" Rothand and Sadeghian (2006: 52) (2.5 mm.)

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.

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