Explanation of Plate 14 



Figs. 1-2 Paraparchites O'vatus Cooper, n. sp. Dorsum and left valve. Holotype, x20. Clore 



formation, loc. 26 p. 62 



3-4 Proparaparchites fahulus Cooper, n. sp. Dorsum and left valve. Holotype, x40. 



Renault formation, loc. 13 ' p. 62 



5-7 Paraparchites nicklesi (Ulrich). Right valve, dorsum and left valve, xl5. Gol- 



conda formation, loc. 19 p. 62 



g_9 Proparaparchites o'vatus Cooper, n. sp. Dorsum and left valve. Genotype, x40. 



Kinkaid formation, loc. 3 p. 62 



10-11 Carboprimitia simulans Croneis and Bristol. Dorsum and left valve, x20. Kinkaid 

 formation, loc. 5 



12-15 Carboprimitia campa Cooper, n. sp. Dorsum, left valve, posterior end and right 



valve. Holotype. x20. Menard formation, loc. 7 p. 63 



16-19 Carboprimitia rotunda Croneis and Funkhouser. Right valve, posterior end, dorsum 



and left valve, x20. Clore formation, loc. 4 . p. 63 



20-21 Moorites elongatus Cooper, n. sp. Left valve and dorsum. Holotype, x50. Paint 



Creek formation, loc. 2 p. 64 



22-25 Carboprimitia depressa Croneis and Funkhouser. Dorsum, left valve, posterior end 

 and right valve, x20. Clore formation, loc. 26 



26-29 Carboprimitia longula Cooper, n. sp. Right valve, posterior end, dorsum and left 



valve. Holotype, x20. Clore formation, loc. 4 p. 63 



30-31 Moorites rhomboidalis (Croneis and Bristol). Right valve and dorsum, x50. Clore 



formation, loc. 28 p. 65 



32-33 Moorites convexus Cooper, n. sp. Dorsum and right valve. Holotype, x50. Paint 



Creek formation, loc. 2 p. 64 



34-36 Coryellina elegans (Croneis and Gutke). Posterior end, dorsum and right valve, 



x40. Renault formation, loc. 9 p. 63 



37-40 Moorea? circincta Cooper, n. sp. 37-39 dorsum, left valve and venter of holotype; 

 40 interior of another specimen from the same locality; x50. Paint Creek forma- 

 tion, loc. 2 p. 64 



41-42 Moorites intermedius Cooper, n. sp. Dorsum and left valve. Holotype, x50. Renault 



formation, loc. 9 p. 64 



43 Moorites bre<vis Cooper, n. sp. Left valve. Holotype, x50. Vienna formation, loc. 10 p. 64 



44-53 Tetrasacculus mtrablilis (Croneis and Gale). x30. 44-47 posterior end, dorsum, 

 right valve and venter, and 48-49 left valve and venter, both males from Glen 

 Dean formation, loc. 23 ; 50-53 posterior end, dorsum, right valve and venter of 

 a female, Golconda formation, loc. 28. Note similarities of male and female 

 dorsal views but difference in size and modification of ventral and posterior 

 lobes by the brood pouches p. 63 



95 



