†Trachycheilus whirlwindensis drumensis Sundberg 1994 (trilobite)
Trilobita - Ptychopariida - Alokistocaridae
Full reference: F. A. Sundberg. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella biozone (Middle Cambrian), Utah and Nevada. Contributions in Science 446:1-137
Belongs to Trachycheilus whirlwindensis according to F. A. Sundberg 1994
Sister taxon: Trachycheilus whirlwindensis whirlwindensis
Type specimen: LACMIP 11872, a cephalon/head
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Trachycheilus whirlwindensis drumensis in the database