Pterobranchia - Graptoloidea - Isograptidae
Parent taxon: Isograptidae according to B. A. Toro et al. 2020
See also Sepkoski 2002
Sister taxa: Cardiograptus, Parisograptus
Subtaxa: Isograptus gibberulus Isograptus victoriae
Type: Didymograptus gibberulus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Whiterockian of Canada (1: Newfoundland and Labrador collection), United States (1: Texas)
• Yapeenian of New Zealand (26)
• Arenig of China (7), Morocco (1), Norway (2), United States (1: Nevada)
• Arenigian of Canada (2: Northwest Territories), United States (1: Alaska)
• Ningkuo of China (3)
• Ordovician of Argentina (3), Australia (1), Canada (2: Newfoundland and Labrador, Yukon), China (6), New Zealand (10), the Russian Federation (10), United States (11: Alaska, British Columbia, Idaho, New York)
Total: 88 collections including 113 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.