| Gastrocopta contracta (Say, 1822) Bottleneck Snaggletooth | |
| 2.4 mm. | |
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| Bardstown, Nelson Co., Kentucky. Digital images by David Kirsh. | |
| 2.2 mm. | 1.8 mm. | 
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| In sample collected from fallen tree with loose bark and moss, Guerilla Hollow Road, Bernheim Arboretum and Research Forest, Bullitt Co., Kentucky 2/15/2013. Digital image by Lori Schroeder. | Severely damaged shell with incredible repairs. From debris accumulation in upstream side of culvert along service road to water plant, Nazareth, Nelson County, Kentucky 7/2/2020. Digital images by Lori Schroeder. | 
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| Unusually small for the species which is caused by the lack of an entire whorl. The shell was found in a debris sample collected on 3/19/2016 near Harrison Creek, Nelson Co., Kentucky. Digital image by Lori Schroeder. | |
| 2.2 mm. | |
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| In wrack along Harrison Creek, Harrison Fork Road, Nelson County, Kentucky 3/28/2014. Digital images by Jeff and Lori Schroeder. | |