Pterobranchia - Graptoloidea - Pterograptidae
Alternative combinations: Didymograptus (Didymograptellus) bifidus, Didymograptus bifidus, Graptolithus bifidus
Full reference: J. Hall. 1865. Graptolites of the Quebec Group: Figures and descriptions of Canadian organic remains, Decade II 1-151
Belongs to Didymograptellus according to B. A. Vento et al. 2015
See also Berry 1962, Cooper and Fortey 1982 and Hall 1865
Sister taxa: none
Type specimen: Its type locality is Point Levis, which is in a Cassinian marine limestone in Canada
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Arenig of Canada (1: Yukon collection)
• Ordovician of Argentina (1), the Russian Federation (1), Spain (5)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.