PLATE 20 
All specimens coated and magnified x 31.5 
Fics. 1-2. Apatognathus chauliodus Varker 
1a. Inner lateral view of specimen X 44. 1b. Outer lateral view of specimen X 44. 2a. Inner 
lateral view of specimen X 550. 2b. Outer lateral view of specimen X 550. 
Fics. 3, 4,6, 7. Apatognathus geminus (Hinde) 
3a. Inner lateral view of specimen X 55. 3b. Outer lateral view of specimen X 55. 4a. Inner 
lateral view of specimen X 54. 4b. Outer lateral view of specimen X 54. 6a. Outer lateral 
view of specimen X 56. 6b. Inner lateral view of specimen X 56. 7a. Inner lateral view of 
specimen X 57. 7b. Outer lateral view of specimen X 57. 
Fic. 5. Apatognathus varians Branson & Mehl 
a. Inner lateral view of specimen X 42. b. Outer lateral view of specimen X 42. 
Fic. 8. Apatognathus cf. libratus Varker 
a. Inner lateral view of specimen X 58. b. Outer lateral view of specimen X 58. 
Fics. 9-11. Apatognathus scalenus Varker 
ga. Inner lateral view of specimen X 48. 9b. Outer lateral view of specimen X 48. toa. Inner 
lateral view of specimen X 49. t1ob. Outer lateral view of specimen X 49. 11a. Inner lateral 
view of specimen X 47. 11b. Outer lateral view of specimen X 47. 
Fics. 12-14, 17. Apatognathus petilus Varker 
12a. Outer lateral view of specimen X 51. 12b. Inner lateral view of specimen X 51. 13a. 
Inner lateral view of specimen X 52. 13b. Outer lateral view of specimen X 52. 14a. Inner 
lateral view of specimen X 50. 14b. Outer lateral view of specimen X 50. 17a. Inner lateral 
view of specimen X 53. 17b. Outer lateral view of specimen X 53. 
Fics. 15-16. Apatognathus bladus sp. nov. 
15a. Inner lateral view of paratype X 46. 15b. Outer lateral view of paratype X 46. 16a. 
Inner lateral view of holotype X 45. 16b. Outer lateral view of holotype X 45. 
