found: Wikipedia, Oct. 23, 2006(Tristichopterids (Tristichopteridae), are a diverse and successful group of tetrapodomorph fishes throughout the Late Devonian stage. Family: Tristichopteridae, Subclass: Tetrapodomorpha, Class: Sarcopterygii)
found: Palaeos : the trace of life on Earth, via WWW, Oct. 23, 2006(Sarcopterygii: Osteolepiformes: Tristichopteridae; the tristichopterids were the most diverse and successful of the tetrapodomorph fishes throughout the Late Devonian, but were extinct by the end of the Famennian)
found: Palaeozoic fish UK Web site, Oct. 23, 2006(Osteolepiform fish are thought to the ancestors of the tetrapods; there are two recognised clades, the Tristichopteridae (Eusthenopteridae) and Megalichthyids)
found: Index to organism names, via WWW, Oct. 23, 2006(Tristichopteridae, Crossopterygii (Order), Sarcopterygii (Class); also listed: Eusthenopteridae, Crossopterygii (Order), Sarcopterygii (Class))
found: Carroll, R.L. Vertebrate paleon. and evol., c1988:p. 611 (Eusthenopteridae, superfamily Osteolepidoidea (Osteolepidiformes), suborder Rhipidistia, order Crossopterygii, subclass Sarcopterygii)
found: Clack, J.A. Gaining ground, c2002:p. 61 (tristichopterids, including Eusthenopteron)