Cephalopoda - Orthoceratoidea

Alternative combination: Megadiscosorus brevior

Full reference: A. F. Foerste. 1925. Cephalopoda of Lake Timiskaming area and certain related species. Canada Department of Mines 145:64-93

Belongs to Megadiscosorus crassisegmentatus according to A. F. Foerste 1925

See also Wagner 2020

Sister taxa: none

Ecology: nektobenthic carnivore

Distribution: found only at Lots 6 and 7, con. VI, 3 miles north of Earlton post office, Armstrong township (Silurian of Ontario)

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