†Orthograptus thorsteinssoni Melchin 1987 (graptolite)
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Pterobranchia - Graptoloidea - Diplograptidae
Full reference: M. J. Melchin. 1987. Upper Ordovician graptolites from the Cape Phillips Formation, Canadian Arctic Islands. Bulletin of the Geological Society of Denmark 35:191-202
Belongs to Orthograptus according to D. M. Goldman et al. 1995
See also Melchin 1987
Sister taxa: Orthograptus eucharis, Orthograptus fastigatus, Orthograptus pageanus, Orthograptus quadrimucronatus, Orthograptus ruedemanni, Orthograptus spinigerus
Type specimen: GSC 78409
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Ordovician of Canada (2: Nunavut collections), United States (1: Texas)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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