Plate 2 



Figures 



1-3. Cytherelloidea sohni Brown, n. pp. (p. 9) 



1. Left side view, paratype, x 59, Loc. A, U.S.N.M. 128905 



2. Right side view, holotype, x 59, Loc. A, U.S.N.M. 128906 



3. Dorsal view, left valve, x 62, Loc. A, U.S.N.M. 128907 

 4-5. Cytheridea (Haplocytheridea) ulrichi (Berry) (p. 18) 



4. Right valve, male specimen, x 65, Loc. A, U.S.N.M. 128985 



5. Right side view, female specimen, x 56, Loc. D, U.S.N.M. 128986 



6. Cytheridea (Haplocytheridea) monmouthensis Berry (p. 19) 



Right side view, female specimen, x 55, Loc. J, U.S.N.M. 128994 



7-8. Cytheridea (Haplocytheridea) fabaformis (Berry) (p. 17) 



7. Left valve, female specimen, x 50, Loc. E, U.S.N.M. 128966 



8. Right valve, male specimen, x 48, Loc. E, U.S.N.M. 128967 

 9-11. Cytheridea (Haplocytheridea) plummeri Alexander (p. 18) 



9. Left valve, male specimen, x 72, Loc. D, U.S.N.M. 128976 



10. Left valve, female specimen, x 55, Loc. D, U.S.N.M. 128977 



11. Interior view, right valve, male, x 69, Loc. A, U.S.N.M. 128978 

 12-16. Cytheridea (Haplocytheridea) councilli Brown, n. sp. (p. 17) 



12. Right side view, holotype, x 62, Loc. A, U.S.N.M. 128971 



13. Right valve, interior, x 55, Loc. F, U.S.N.M. 128972 



14. Left valve, interior, x 52, Loc. F, U.S.N.M. 128973 



15. Dorsal view, female paratype, x 58, Loc. A, U.S.N.M. 128974 



16. Ventral view, male paratype, x 57, Loc. F, U.S.N.M. 128975 

 17-20. Cytheridea (Haplocytheridea) carolinensis Brown, n. sp. (p. 19) 



17. Left valve, paratype, x 62, Loc. A, U.S.N.M. 128987 



18. Right side view, holotype, male, x 62, Loc. A, U.S.N.M. 128988 



19. Ventral view, paratype, male, x 62, Loc. A, U.S.N.M. 128989 



20. Left valve, interior, female, x 66, Loc. A, U.S.N.M. 128990 

 £1-25. Cytheridea (Clithrocytheridea) oblongus Brown, n. sp. (p. 19) 



21. Left side view, holotype, x 63, Loc. A, U.S.N.M. 128995 



22. Right side view, paratype, x 63, Loc. F, U.S.N.M. 128996 



23. Left valve, interior, x 63, Loc. F, U.S.N.M. 128997 



24. Ventral view, paratype, x 61, Loc. A, U.S.N.M. 128998 



25. Dorsal view, paratype, x 61, Loc. A, U.S.N.M. 128999 

 26-28. Cytheridea (Haplocytheridea) punctura (Schmidt) (p. 19) 



26. Left valve, female specimen, x 52, Loc. E, U.S.N.M. 128991 



27. Left valve, male specimen, x 52, Loc. E, U.S.N.M. 128992 



28. Left valve, interior, x 50, Loc. C, U.S.N.M. 128993 



