Figure 1. Long-tailed early-diverging non-pterodactyloid pterosaurs had diverse tail vanes but these disappeared in later-diverging short-tailed pterodactyloids.

Blue, ontogenetic morphs of Rhamphorhynchus muensteri: BSPG 1938 I 503 a and ROM VP 55352. Green, Sordes pilosus PIN 2585/3. Orange, Pterorhynchus wellnhoferi CAGS02-IG-guasa-2/DM608. Scale bars are 3 cm.