ammonites
Eotomaria trochoides Shrock and Raasch 1937 (snail)

Gastropoda - Murchisoniina - Eotomariidae

Full reference: R. R. Shrock and G.O. Raasch. 1937. Paleontology of the disturbed Ordovician rocks near Kentland, Indiana. The American Midland Naturalist 18(4):532-607

Belongs to Eotomaria according to R. R. Shrock and G.O. Raasch 1937

Sister taxa: Eotomaria canalifera, Eotomaria concava, Eotomaria dalecarlica, Eotomaria dryope, Eotomaria hopkinsi, Eotomaria kjerulfi, Eotomaria kleini, Eotomaria labiosa, Eotomaria notabilis, Eotomaria obsoletum, Eotomaria perryi, Eotomaria remotistriata, Eotomaria robinsoni, Eotomaria rotula, Eotomaria subplana, Eotomaria tarimensis, Eotomaria tumida, Eotomaria vicina

Ecology: facultatively mobile epifaunal suspension feeder