Vari, Richard P.2005-10-062005-10-061977http://hdl.handle.net/2246/20126 p. : ill. ; 26 cm.Includes bibliographical references (p. 6)."Piabucus caudomaculatus is a new species of iguanodectine characoid from Bolivia and the first member of the subfamily Iguanodectinae reported from that country. The Iguanodectinae are shown to share a series of modifications of the swimbladder, body wall, and anterior proximal pterygiophores, which distinguish them from other characoids and support the hypothesis of the monophyletic nature of the group"--P. [1].5181620 bytesapplication/pdfen-USPiabucus caudomaculatusAir-bladder (in fishes)Characidae -- BoliviaFishes -- Boliviatext