Orthograptus quadrimucronatus Hall 1865

Pterobranchia - Graptoloidea - Diplograptidae

Alternative combinations: Diplograptus (Orthograptus) quadrimucronatus, Glossograptus (Orthograptus) quadrimucronatus, Glossograptus quadrimucronatus, Graptolithus quadrimucronatus, Graptolithus quardrimucronatus

Full reference: J. Hall. 1865. Graptolites of the Quebec Group: Figures and descriptions of Canadian organic remains, Decade II 1-151

Belongs to Orthograptus according to D. Goldman 1995

See also Hall 1865, Mitchell 1987, Nõlvak and Goldman 2007, Ruedemann 1908 and White 1874

Sister taxa: Orthograptus eucharis, Orthograptus fastigatus, Orthograptus pageanus, Orthograptus ruedemanni, Orthograptus spinigerus, Orthograptus thorsteinssoni

Distribution:

• Ordovician of Belgium (1 collection), Canada (7: Northwest Territories, Ontario, Québec), China (7), Kazakhstan (5), the Russian Federation (1), Sweden (1), United States (19: Alaska, Idaho, Michigan, New York, Pennsylvania, Texas)

Total: 41 collections including 43 occurrences

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Specimen images are retrieved through the ePANDDA API.


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