Belongs to Hyolithes according to J. M. Malinky 1990
Sister taxa: Hyolithes (Pharetrella), Hyolithes aclis, Hyolithes acutus, Hyolithes aliger, Hyolithes americanus, Hyolithes amosi, Hyolithes aplatus, Hyolithes asteroideus, Hyolithes cariniferus, Hyolithes cecrops, Hyolithes columbanus, Hyolithes conularioides, Hyolithes daphnis, Hyolithes delia, Hyolithes endoi, Hyolithes fuchouensis, Hyolithes gibbosus, Hyolithes girvanensis, Hyolithes hathewayi, Hyolithes immemor, Hyolithes kuantungensis, Hyolithes mantouensis, Hyolithes minutissimus, Hyolithes multicinctus, Hyolithes multipunctatus, Hyolithes ornatellus, Hyolithes paishanensis, Hyolithes penkillensis, Hyolithes tenuis, Hyolithus (Hyolithus), Hyolithus mimicus, Hyolithus pallidus, Theca kirkbyi
Type specimen: USNM 86715, a partial shell
Ecology: facultatively mobile epifaunal suspension feeder
Average measurements (in mm): shell 28.9 x 3.4