Table 2. Measurements (in mm) of Tonatia bakeri and Tonatia maresi. Measurements are given for the holotypes and for the specimens included in this study (mean and observed range). Holotype data taken from Williams et al. (1995).
Measurements Tonatia bakeri Tonatia bakeri Tonatia maresi Tonatia maresi
Holotype specimens Holotype specimens
Calcar length 20.00 19.41 (16.37-21.59) 16.00 18.49 (12.10-22.66)
Hindfoot length 15.00 16.22 (13.73-20.00) 13.50 14.69 (11.92-18.00)
Length of ear from notch 14.00 - 30.00 -
Length of forearm 60.60 59.69 (57.45-62.66) 55.00 55.92 (52.70-60.00)
Metacarpal III length - 50.80 (48.56-53.13) - 48.11 (43.48-51.73)
Metacarpal IV length - 51.61 (49.62-54.27) - 49.21 (44.09-52.36)
Metacarpal V length - 53.38 (51.43-56.31) - 50.94 (45.42-54.37)
Tail length 36.00 14.93 (8.38-21.00) 19.00 16.76 (4.55-25.00)
Tibia length - 29.81 (26.51-31.69) - 27.00 (24.00-30.77)
Total length 105.00 - 94.00 -
Breadth of braincase 11.70 10.75 (10.46-11.29) 10.50 10.41 (9.68-11.85)
Condylobasal length 25.30 25.51 (24.50-26.73) 24.00 23.79 (22.31-25.17)
Condylocanine length - 25.03 (24.25-26.00) - 23.42 (22.28-24.69)
Condyloincisive length - 25.08 (24.91-26.86) - 24.22 (22.88-25.55)
Coronoid height - 7.61 (6.94-8.07) - 7.07 (6.33-7.71)
Greatest length of skull 30.20 29.73 (28.54-30.78) 28.20 27.90 (26.01-29.38)
Mastoid breadth 13.50 13.07 (12.69-13.45) 12.90 12.55 (11.77-13.35)
Palatal length - 13.82 (12.59-14.61) - 12.62 (9.05-13.65)
Palatal width at canines - 2.47 (1.78-3.13) - 2.38 (1.65-3.97)
Postorbital constriction breadth 5.60 5.80 (5.41-6.18) 5.30 5.47 (5.05-6.10)
Zygomatic breadth 15.00 13.81 (12.80-14.85) 14.30 13.41 (10.99-14.52)
Breadth across lower incisors 1.60 - 1.80 -
Breadth across upper canines 5.90 5.72 (5.19-6.05) 5.60 5.41 (5.03-5.92)
Breadth across upper molars 9.10 8.56 (8.24-9.16) 8.30 8.12 (7.46-8.88)
Dentary length - 18.85 (18.29-19.86) - 17.65 (16.45-18.61)
Height of crown of lower incisor 1.50 - 1.60 -
Length of maxillary toothrow 10.10 10.34 (9.92-10.81) 9.20 9.52 (9.13-10.13)
Mandibular toothrow length - 11.37 (10.81-11.88) - 10.51 (9.95-11.11)
Molariform toothrow length - 7.44 (5.27-8.34) - 6.44 (4.94-8.06)