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Helicodiscus parallelus (Say, 1821) Compound Coil |
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| Helicodiscus parallelus has no eyespots and is considered blind (See: The Nautilus, Vol. XXI., No. 7. (November, 1907) for additional observations). | |
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| Under decaying log, Arlington Lions Club Nature Trail, Arlington, Jacksonville, Duval County, Florida, 12/28/2013 (about 2.5 mm.) | |
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Bardstown, Nelson County, Kentucky. Digital images by David Kirsh. |
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