PLATE 4 
All specimens coated and magnified x 31.5 
Fics. 1-4. Spathognathodus bischoffi sp. nov. 
1a. Oral view of paratype X 399. 1b. Aboral view of paratype X 399. Ic. Outer lateral view 
of paratype X 399. Id. Inner lateral view of paratype X 399. 2a. Oral view of paratype 
X 400. 2b. Aboral view of paratype X 400. 2c. Outer lateral view of paratype X 400. 
2d. Inner lateral view of paratype X 400. 3a. Oral view of paratype X 398. 3b. Aboral 
view of paratype X 398. 3c. Outer lateral view of paratype X 398. 3d. Inner lateral view of 
paratype X 398. 4a. Oral view of holotype X gor. 4b. Aboral view of holotype X 4or. 
4c. Outer lateral view of holotype X 401. 4d. Inner lateral view of holotype X 4or. 
Fics. 5-8. Spathognathodus ziegleri sp. nov. 
5a. Oral view of paratype X 437. 5b. Aboral view of paratype X 437. 5c. Outer lateral 
view of paratype X 437. 5d. Inner lateral view of paratype X 437. 6a. Oral view of paratype 
X 402. 6b. Aboral view of paratype X 402. 6c. Outer lateral view of paratype X 402. 
6d. Inner lateral view of paratype X 402. 7a. Oral view of paratype X 404. 7b. Aboral 
view of paratype X 404. 7c. Outer lateral view of paratype X 404. 7d. Inner lateral view 
of paratype X 404. 8a. Oral view of holotype X 403. 8b. Aboral view of holotype X 403. 
8c. Outer lateral view of holotype X 403. 8d. Inner lateral view of holotype X 403. 
Fics. 9-11. Spathognathodus pulcher Branson & Mehl — 
ga. Oral view of specimen X 386. gb. Aboral view of specimen X 386. 9c. Lateral view of 
specimen X 386. toa. Oral view of specimen X 513. 1o0b. Aboral view of specimen X 513. 
1oc. Lateral view of specimen X 513. toc. Lateral view of specimen X 513. tI1a. Oral 
view of specimen X 512. 11b. Aboral view of specimen X 512. 11c. Lateral view of specimen 
X 512. 
Fic. 12. Spathognathodus sp. A 
a. Oral view of specimen X 405. b. Aboral view of specimen X 405. c. Lateral view of 
specimen X 405. 
