Gastropoda - Bellerophontida - Pterothecidae
Alternative combinations: Bellerophon triliratus, Patellostium triliratus, Phragmostoma triliratum
Full reference: J. Hall. 1879. Containing descriptions of the Gasteropoda, Pteropoda, and Cephalopoda of the Upper Helderberg, Hamilton, Portage, and Chemung Groups. Natural History of New York, Paleontology 5(2):1-492
Belongs to Phragmosphaera according to P. J. Wagner 2023
See also Clarke 1904, Hall 1879 and Ulrich and Scofield 1897
Sister taxa: Phragmosphaera chautauquae, Phragmosphaera diopetes, Phragmosphaera expansus, Phragmosphaera globata, Phragmosphaera incisus, Phragmosphaera ithagenia, Phragmosphaera lyra, Phragmosphaera natator, Phragmosphaera nitela, Phragmosphaera ponceti, Phragmosphaera ruthveni, Phragmosphaera victoriae
Ecology: epifaunal detritivore
Distribution: found only at Hamilton Gully, Honeoye Lake (Devonian of New York)
Specimen images are retrieved through the ePANDDA API.
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