Hyolitha - Hyolithida - Hyolithidae
Alternative spelling: Pharetrella
Parent taxon: Hyolithes according to J. A. Talent 1963
See also Fisher 1962
Sister taxa: Hyolithes aclis, Hyolithes acutus, Hyolithes aliger, Hyolithes americanus, Hyolithes amosi, Hyolithes aplatus, Hyolithes asteroideus, Hyolithes cariniferus, Hyolithes columbanus, Hyolithes conularioides, Hyolithes daphnis, Hyolithes delia, Hyolithes dorbignyi, Hyolithes endoi, Hyolithes exilis, Hyolithes fuchouensis, Hyolithes gibbosus, Hyolithes girvanensis, Hyolithes hathewayi, Hyolithes immemor, Hyolithes kuantungensis, Hyolithes mantouensis, Hyolithes minutissimus, Hyolithes multicinctus, Hyolithes multipunctatus, Hyolithes obesus, Hyolithes ornatellus, Hyolithes paishanensis, Hyolithes penkillensis, Hyolithes primordialis, Hyolithes sondai, Hyolithes sonora, Hyolithes tenuis, Hyolithes vanuxemi, Hyolithes wanneri, Hyolithus (Hyolithus), Hyolithus mimicus, Hyolithus pallidus, Theca richteri
Subtaxa: Hyolithes (Pharetrella) pyramidalis
Ecology: facultatively mobile epifaunal suspension feeder
Distribution: found only at Loc. 35. Mitchell River National Park (Devonian of Australia)