Extant Pterosaurs: "creatures" instead of "both"
16:24
+9
Extant Pterosaurs: link for "investigation"
16:23
+63
Extant Pterosaurs: "according to late-20th Century . . ." . . . "but an early 21st Century . . .related species"
16:21
+209
Extant Pterosaurs: link for "Duah"
16:17
+32