Table 4 Comparison of postcranial ratios among basal monofenestrans.

	mcIV/hu	mcIV/ul	pt/ul	fe/hu	ti/fe	pph1d5/mtIII	ta/hu	Sources
Douzhanopterus zhengi gen. et sp. nov holotype	0.65	0.53	0.51	0.81	1.80	0.20; 0.23	1.73	Measured by authors
‘Rhamphodactylus’	0.65*	0.50*	0.34*	0.95*	1.24*	—	—	13
‘Painten pro-pterodactyloid’	0.63	0.46	0.34	0.95	1.18	0.31	<0.87 ^†	14
Wukongopterus lii holotype	0.59	0.37	—	0.86	1.59	0.75	>3.92	6, pph1d5 and tail measured by authors
Kunpengopterus sinensis holotype	0.64 ^†	0.39 ^†	0.44 ^†	1.14 ^†	1.32 ^†	0.50	—	8, pph1d5 measured by authors
Darwinopterus modularis referred specimen	0.59	0.41	0.41	0.91	1.35	0.85	4.66*	7
Darwinopterus linglongtaensis holotype	0.59	0.39	0.47	1.00	1.24	0.72	—	8, pph1d5 measured by authors
Darwinopterus robustodens holotype	0.60	0.38	—	0.86	1.40	0.86	>4.60	9
Pterodactylus antiquus holotype	1.11	0.74	—	1.10	1.39	0.14	0.67	25
Sinopterus dongi holotype	1.64	1.09	0.43	1.28	1.41	—	—	26

Pterodactylus antiquus and Sinopterus dongi represent the Pterodactyloidea, giving an indication of polarity.
Abbreviation: fe, femur; hu, humerus; mcIV, metacarpal IV; mtIII, metatarsal III; pph1d5, first phalnage of pedal digit V; pt, pteroid; ti, tibia; ta, tail; ul, ulna.
^*Calculated on length from figures.
^†Calculated on estimated length.

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