Table 3.

Comparison of five specimens of genus Biswamoyopterus. M644 and L35 were described in this study, others were derived from Li et al. (2019).

Specimen	B. biswasi, ZSI 20705, ♂	B. gaoligongensis, KIZ 034924, ♂	B. laoensis, NUoL FES. MM.12.163, ♀	Biswamoyopterus sp. M644	Biswamoyopterus sp. L35
Locality	Northeastern India	Southwestern China	Central Laos	Northern Myanmar	Northern Laos
Size	Relatively small	Relatively small	Large	Large	Large
Dorsal coloration	Morocco-red speckled with white	Reddish brown speckled with white	Dark reddish brown speckled with whitish grey	Reddish brown speckled with whitish	Dark reddish brown speckled with whitish grey
Ventral Coloration	Light colored		Pale orange and marked with numerous, black, discontinuous lines	White
	White	Yellowish-white
Coloration of tail beyond the uropatagium	Partly colored tail with a dark tip		Black	Reddish brown with a brown-grey tip
	Pale smoky grey with a dark tip	Black
Ear tufts	Bicolored or white		Black	White	White
	White	The anterior tufts are black, and the posterior tufts are basally white and terminal black
NL	Short		Long	Long	–
	Short	Shorter
Outer margin of the nasal bone, orbital margin of the frontal bone, and post-orbital margin of the frontal bone vs. midline of the skull	Inclined	Almost	More	Inclined	–
Postorbital processes	Large	Large	Relatively small	Large	–
Preglenoid process	Forward protruding	Almost flat	Almost flat	Almost flat	–
Sutures of frontal and squamosal bone	Almost flat	Bulge	Almost flat	Almost flat	–
Auditory bulla	Smaller		Large	Relatively small	–
	Relatively small	Relatively small
Posterior margin of the palatal bones	Concave forward		Flat	Concave forward	–
	The central point just meets the posterior margin of M3	The central point lies in front of the posterior margin of M3	The central point lies behind the posterior margin of M3	The central point lies just a little in front of the posterior margin of M3
M1 and M2	Feeble metacone and hypocone, outline of M1 and M2 is sub-triangular	Most developed metacone and hypocone, outline of M1 and M2 is sub-square	Second developed metacone and hypocone, outline of M1 and M2 is sub-rectangle	Second developed metacone and hypocone, outline of M1 and M2 is sub-rectangle	–
M1 and M2	Second developed hypoconid	Most developed hypoconid	Feeble hypoconid	Feeble hypoconid	–