Table 2. Proportion between the humerus length to skull length in several pterosaur taxa.

Species	Humerus/skull length (pm − sq)	Reference
Nyctosaurus KJ2	0.25	[43]
Ikrandraco avatar	0.27	present work
Darwinopterus robustodens	0.29	[44]
Pterodactylus antiquus (holotype)	0.29	[45]
Darwinopterus modularis (holotype)	0.32	[46]
Darwinopterus linglongtaensis (holotype)	0.34	[47]
Nurhachius ignaciobritoi	0.38	[3]
Zhenyuanopterus longirostris	0.39	[48]
Nemicolopterus crypticus	0.40	[15]
Anhanguera spielbergi	0.41	[18]
Anhanguera piscator	0.41	[17]
Germanodactylus cristatus	0.43	[45]