Artiopoda - Phacopida - Encrinuridae
Alternative combinations: Ceraurus vigilans, Encrinuroides vigilans, Encrinurus vigilans, Erratencrinurus (Erratencrinurus) vigilans
Synonyms: Encrinurus trentonensis Walcott 1880, Erratencrinurus trentonensis Walcott 1880
Full reference: J. Hall. 1847. Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe). Paleontology of New York 1:1-338
Belongs to Erratencrinurus according to D. K. Moss and S. R. Westrop 2014
See also Bradley 1930, Hall 1847, Lespérance and Desbiens 1995, Ludvigsen 1979 and Okulitch 1935
Sister taxa: Erratencrinurus (Celtencrinurus), Erratencrinurus (Erratencrinurus), Erratencrinurus capricornu, Erratencrinurus lapworthi, Erratencrinurus neuter, Erratencrinurus spicatus, Erratencrinurus trippi, Erratencrinurus uncatus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Canada (4: Ontario, Quebec collections), United States (17: Illinois, Illinois, Iowa, Iowa/Wisconsin, Minnesota, New York)
Total: 21 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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