Pterobranchia - Graptoloidea - Phyllograptidae
Alternative combination: Graptolithus quadribrachiatus
Belongs to Tetragraptus according to Hall 1858
Sister taxa: Tetragraptus acclinans, Tetragraptus akzharensis, Tetragraptus amii, Tetragraptus bigsbyi, Tetragraptus decipiens, Tetragraptus insuetus, Tetragraptus phyllograptoides, Tetragraptus pseudobigsbyi, Tetragraptus reclinatus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Arenig of Argentina (1 collection), Australia (3), Bolivia (1), Canada (2: Yukon)
• Arenigian of Argentina (3), Canada (2: Northwest Territories)
• Ordovician of Argentina (3), Morocco (2), New Zealand (6), Peru (1), the Russian Federation (1), United States (3: Alaska, Idaho)
• Canadian of United States (1: Utah)
Total: 29 collections including 30 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.