Selected Vertiginid Species - United States (Page Three)
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  
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

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.

 *Scanning Electron Micrographs*

[Click on the images for a higher resolution version]
Vertigo bollesiana (Morse, 1865) (1.77 mm.) Vertigo elatior Sterki, 1894 (2.01 mm.)
Vertigo bollesiana (Morse, 1865) (1.7 mm.) Vertigo elatior Sterki, 1894 (1.9 mm.)
Bennington Co. Vermont Bennington Co. Vermont
Vertigo oralis Sterki, 1890
Vertigo oscariana Sterki, 1890 Vertigo oralis Sterki, 1890 (1.65 mm. dwarf)
Duval Co., Florida Duval Co., Florida
Vertigo tridentata Wolf, 1870 Honey Vertigo
Vertigo tridentata Wolf, 1870 (2.0 mm.)
Berkshire Co, Massachusetts

    A plate comprised of excellent SEM's depicting 13 Vertigo spp. from Wisconsin and the Upper Peninsula of Michigan appeared in Nekola, J. C., 2004,  Terrestrial gastropod fauna of northeastern Wisconsin and the southern upper peninsula of Michigan. American Malacological Bulletin 18(1-2): 21-44. May 7.

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