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Vertigo meramecensis (Van Devender, 1979) (2.0 mm.) |
Vertigo milium (Gould, 1840) (1.4 mm.) |
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Franklin Co., Missouri |
Duval Co., Florida |
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Click image below for a larger view/additional images |
Click image below for a larger view/additional images |
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| 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 | |
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| Vertigo modesta corpulenta (Morse, 1865) (2.53 mm.) | Vertigo morsei Sterki, 1894 (2.55 mm.) |
| Idaho Co., Idaho | Will Co., Illinois |
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Vertigo nylanderi Sterki, 1909 (1.6 mm.) |
Vertigo oralis Sterki, 1890 (1.76 mm.) |
| Penobscot Co., Maine | St. Johns Co., FL |
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| Vertigo cf. oralis Sterki, 1890 (1.95 mm.) | Vertigo oscariana Sterki, 1890 (1.5 mm.) |
| [note infraparietal and two angular lamellae, all characteristic] | |
| Duval Co., Florida | Duval Co., Florida |
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(left) Vertigo ovata Say, 1822 (2.0 mm.) |
Vertigo perryi Sterki, 1905 (1.65 mm.) |
| (right) Vertigo cf. oralis Sterki, 1890 (2.05 mm.) | |
| Duval Co., Florida | Rockingham Co., New Hampshire |
