Tergomya - Tryblidiida - Tryblidiidae
Alternative combinations: Scenella exserta, Triblydium excertum
Full reference: F.W. Sardeson. 1892. Fossils in the St. Peter sandstone. Minnesota Academy of Natural Science Bulletin 3:319-326
Belongs to Tryblidium according to P. J. Wagner 2023
See also Sardeson 1892, Sloan and Webers 1987 and Ulrich and Scofield 1897
Sister taxa: Tryblidium (Pilina), Tryblidium arctica, Tryblidium erato, Tryblidium eubule, Tryblidium hyrie, Tryblidium modestum, Tryblidium niobe, Tryblidium nycteis, Tryblidium ovale, Tryblidium ovatum, Tryblidium reticulatum, Tryblidium rugosum, Tryblidium simplex, Tryblidium thorsteinssoni
Ecology: epifaunal grazer
Distribution:
• Ordovician of United States (10: Illinois, Iowa, Minnesota, Wisconsin collections)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.