†Ptychocaulus bivittata Hall 1852
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Gastropoda - Murchisoniina - Hormotomidae
Alternative combinations: Coelidium bivittata, Coelocaeulus bivittata, Murchisonia bivittata
Full reference: J. Hall. 1852. Containing descriptions of the organic remains of the lower middle division of the New York system. Paleontology of New York 2:1-362
Belongs to Ptychocaulus according to P. J. Wagner 2023
See also Hall 1852, Nicholson 1875, Parks 1915, Ulrich and Scofield 1897 and Whiteaves 1906
Sister taxa: Ptychocaulus crumena, Ptychocaulus magna, Ptychocaulus rodneyi, Ptychocaulus verneuili
Distribution:
• Silurian of Canada (4: Ontario collections), United States (1: Wisconsin)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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