TABLE 1. Length and width of teeth (in millimeters) of juvenile specimens of Bothriogenys fraasi from the upper most terrestrial mammal-bearing localities of the Jebel Qatrani Formation, Fayum Depression, Egypt. Specimen numbers are hyperlinked to DOIs representing microCT data and associated mesh files and photographs on MorphoSource. The DOIs can be found in Supplemental Material and should be cited along with this paper and MorphoSource if reused.

Bothriogenys fraasi                      
Upper   dP 1 dP 2 dP 3 dP 4 M 1
DPC 3224
doi.org/10.17602/M2/M12690
Right -- -- -- -- -- -- 15.13 15.55 -- --
DPC 5167
doi.org/10.17602/M2/M12646
Right -- -- 11.22 5.18 15.21 10.40 15.00 13.66 18.90 ?
DPC 20439
doi.org/10.17602/M2/M12647
Right -- -- -- -- 16.27 10.65 15.29 14.40 -- --
                       
Lower   dP 1 dP 2 dP 3 dP 4 M 1
DPC 2705
doi.org/10.17602/M2/M12688
Right -- -- 8.86 4.35 16.25 6.89 21.93 9.17 20.82 11.77
DPC 3606
doi.org/10.17602/M2/M12653
Right -- -- -- -- 17.17 6.29 21.49 8.59 -- --
DPC 3947
doi.org/10.17602/M2/M12639
Left -- -- -- -- 17.03 6.23 21.40 8.69 -- --
DPC 6147
doi.org/10.17602/M2/M12649
Left -- -- -- -- -- -- 20.45 8.23 -- --
DPC 7706
doi.org/10.17602/M2/M17034
Right -- -- 8.26 4.08 17.76 6.47 21.56 8.72 20.18 11.81
DPC 7730
doi.org/10.17602/M2/M12655
Left -- -- 9.43 4.41 17.77 6.94 22.54 9.16 21.48 12.15
DPC 8638
doi.org/10.17602/M2/M12684
Right -- -- 7.91 4.05 15.75 6.26 20.31 7.99 19.08 10.29
DPC 10616
doi.org/10.17602/M2/M12650
Left -- -- -- -- -- -- 20.32 7.66 19.41 10.20
DPC 10633
doi.org/10.17602/M2/M12654
Right -- -- -- -- 15.72 5.77 20.27 7.93 -- --
DPC 11280
doi.org/10.17602/M2/M12645
Left -- -- -- -- -- -- 21.24 8.44 19.15 10.64
DPC 11407
doi.org/10.17602/M2/M12651
Left -- -- -- -- -- -- 20.38 8.18 18.68 10.63
DPC 11412
doi.org/10.17602/M2/M12648
Right -- -- -- -- 15.11 6.51 21.50 8.41 -- --
DPC 11416
doi.org/10.17602/M2/M12641
Left 7.01 2.96 9.20 4.67 16.87 6.54 22.63 8.83 -- --
DPC 13570
doi.org/10.17602/M2/M17039
Left -- -- 9.27 4.30 16.05 6.33 21.17 8.46 -- --
DPC 13562
doi.org/10.17602/M2/M12638
Right -- -- -- -- 15.22 6.07 21.26 8.58 19.06 10.71

 

TABLE 2. Juvenile dental eruption sequence of Bothriogenys fraasi from the upper most terrestrial mammal-bearing localities of the Jebel Qatrani Formation, Fayum Depression, Egypt.

Eruption stage Eruption sequence of Bothriogenys fraasi juveniles Specimen no. Quarry
Stage I dP1 exposed; dP2, dP3 and dP4 erupted; M1 opened DPC 3606 M
  DPC 3947 M
    DPC 11416 I
    DPC 13570 I
    DPC 16633 I
       
Stage II dP1 exposed; dP2, dP3, dP41 erupted; M2 opened DPC 7706 M
  DPC 8638 M
    DPC 11280 M
    DPC 11407 M
       
Stage III P3 and P4 start to form; dP 3, dP4 , M1 present; M2 exposed DPC 2705 M
  DPC 7730 I
    DPC 10616 O
       
Stage IV P2 exposed; P3 and P4 formed; dP3, dP4, M1, M2 present M3 opened DPC 13562 I
       
Stage V Adult form i with P3 and P4 half exposed

Adult form ii with M3 half exposed

Adult form iii with M3 fully exposed

DPC 10677 I
DPC 6207 I
DPC 20950 M