Fig. 16From: Postcranial skeleton of Birgeria liui (Osteichthyes, Actinopterygii) from the Longobardian (Ladinian, Middle Triassic) of Xingyi, Guizhou, South ChinaThe ventral region of the body lobe in the caudal fin. aB. acuminata (MPUM 9334); B. liui (XNGM WS-45-F21), b photograph and c line-drawing. In green, the haemal elements, in gray, the proximal segments of the caudal fin lepidotrichia, in white, the body lobe scalesBack to article page