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†Pteridichnites Clarke & Swartz 1913
urn:lsid:organismnames.com:name:3541614
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MldDviv
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†Pteridichnites Clarke & Swartz 1913
Clarke & Swartz 1913. Vermes [of the Upper Devonian deposits of Maryland]. Maryland Geological Survey Middle and Upper Devonian Baltimore, 1913: (544-546)