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Helicodiscus parallelus (Say, 1821) Compound Coil |
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juvenile 1.9 mm. |
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Bardstown, Nelson Co., Kentucky | Digital images by David Kirsh |
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Helicodiscus parallelus (Say, 1821) Compound Coil |
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juvenile 1.9 mm. |
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Bardstown, Nelson Co., Kentucky | Digital images by David Kirsh |
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