Vorlage:Downs & Daeschler, 2022

• Downs, J.P. & Daeschler, E.B. 2022. Second species of Langlieria (Tristichopteridae, Sarcopterygii) from the Upper Devonian Catskill Formation of Pennsylvania, U.S.A., and a new phylogenetic consideration of Tristichopteridae. Proceedings of the Academy of Natural Sciences of Philadelphia, 167 (1): 261-280. (doi)