Pterobranchia - Graptoloidea - Retiolitidae
Synonym: Petalograptus
Parent taxon: Petalolithinae according to A. C. Lenz et al. 2018
See also Melchin et al. 2011 and Sepkoski 2002
Sister taxa: Comograptus, Glyptograptus, Paramplexograptus, Parapetalolithus, Sudburigraptus
Subtaxa: Petalolithus ankyratus Petalolithus folium Petalolithus intermedius
Type: Prionotus folium
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Algeria (2 collections), Canada (2: Northwest Territories), China (14), Czechia (1), Denmark (4), France (1), Morocco (3), Saudi Arabia (1), Serbia (2), the United Kingdom (3), United States (3: Alaska, Idaho)
• Ordovician of Canada (1: Nunavut)
Total: 37 collections including 54 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.