See also Sepkoski 2002
Sister taxa: Antispirifer, Arduspirifer, Australospirifer, Brachyspirifer, Costellispirifer, Dixonella, Dyticospirifer, Euryspirifer, Hysterolites, Otospirifer, Paraspirifer, Patriaspirifer, Rostrospirifer, Xinjiangospirifer
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Trigonospirifer in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.