Gastropoda - Murchisoniina - Murchisoniidae
Alternative combinations: Coelidium planogyratum, Loxonema planogyrata
Full reference: J. Hall. 1859. Notes and observations upon the fossils of the Goniatite Limestone, in the Marcellus shale of the Hamilton group, and those of the Goniatite beds of Rockford, Indiana, with some analogous forms from the Hamilton Group proper. Annual report of the Regents of the University of the State of New York on the State Cabinet of Natural History and the Historical and Antiquarian collection annexed thereto 13:95-112
Belongs to Michelia according to P. J. Wagner 2023
See also Hall 1859 and Williams and Breger 1916
Sister taxa: Michelia compacta, Michelia cylindrica, Michelia darwini, Michelia persimilis, Michelia tenera, Michelia tenue, Michelia whiteavesi
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: found only at locality 1099L, Tweedy Road, on Presque Isle stream, Presque Township (Devonian of Maine)
Specimen images are retrieved through the ePANDDA API.
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