﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER I165 



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F. Dalmanella sculpta Cooper, new species 950 



(34-38) Respectively pedicle, brachial, side, posterior, and anterior views of a com- 

 plete specimen, X 2, paratype, 117364a; (39) brachial view of a specimen larger 

 than the preceding, X !, holotype, 117364c; (40-44) respectively brachial, poste- 

 rior, side, pedicle, and anterior views, X 2, of the holotype; (45) brachial inte- 

 rior of a small valve, X 3, paratype, ii7364d; (46) another brachial interior, 

 X 3, paratype, 117364c 



Martinsburg formation (part with Brongniartella and referable to the Salona 

 formation), on Virginia County Highway 617 = 910, 0.15 mile north of Green 

 Mount Church, Broadway (15') Quadrangle, Va. 



Plate 159 

 Cristiferina, Onniella, Paucicrura 



A. Paucicrura virginica Cooper, new species 958 



(1, 2) Plasticine replicas of the brachial exterior, X 2, paratypes, 123235a, 123235b ; 

 (3) impression of the brachial interior, X2 , paratype, 123235c; (4) plasticine 

 replica of the brachial interior, X 2, prepared from the preceding impression ; 

 (5) impression of the pedicle interior, X 2, paratype, I23235d. 



Edinburg formation (siltstone 30 feet above Echinosphaerites zone), \\ miles 

 south of Wadesville, Winchester (15') Quadrangle, Va. 



B. Paucicrura matutina Cooper, new species 957 



(6) Brachial view, X I, of the holotype, 111795a; (7-10) respectively side, ante- 

 rior, brachial, and pedicle views, X 2, of the holotype. 



Edinburg formation (Cyrtonotella zone), ravine at the switch i mile east of 

 Strasburg Junction, Strasburg (15') Quadrangle, Va. 

 (11) Pedicle and brachial interiors, X 2, paratypes, 117366a, 117366b. 



Shippensburg formation (lower part of Echinosphaerites zone), railroad cut 

 2 miles southwest of Marion, Chambersburg (15') Quadrangle, Pa. 



C. Cristiferina cf. C. cristijera Cooper, new species 963 



(12, 13) Respectively X 1 and X 2 views of a complete specimen, figured speci- 

 men, 117358a. 



Dark shale under Eureka quartzite, north-facing nose of hill 8167, Martins 

 Ridge, Monitor Range, Roberts Mountains (i°) Quadrangle, Nev. 



D. Paucicrura sub plana Cooper, new species 958 



(14-18) Respectively posterior, anterior, side, pedicle, and brachial views of a com- 

 plete specimen, X 2, holotype, 123237a; (19, 20) brachial and pedicle views of 

 another complete specimen, X 2, paratype, 123237b. 



Martinsburg formation (part with Brongniartella and referable to the Salona 

 formation), on Virginia County Highway 617 = 910, 0.15 mile north of Green 

 Mount Church, Broadway (15') Quadrangle, Va. 



E. Onniella fertilis (Ulrich) 954 



(21-25) Respectively brachial, pedicle, side, posterior, and anterior views of a 

 large specimen, X I, hypotype, 117369a; (26) brachial view of the same hypo- 

 type, X 2, to show details of ornamentation; (27-31) respectively pedicle, bra- 

 chial, anterior, side, and posterior views of another complete specimen smaller 

 than the preceding, X I, hypotype, 117369b; (32) brachial interior, X 1, hypo- 

 type, 117369c; (33) same as preceding, X 2, showing muscle scars; (35) poste- 

 rior of preceding, X 3. showing short brachiophores and swellings supporting 

 them ; (34) another brachial interior, X 3, showing thickenings about the 

 brachiophores, hypotype, U7369d. 



Curdsville formation, on U. S. Highway 58, 3 to 3I miles east of Cumberland 

 Gap, Wheeler (T.V.A. 153-SE) Quadrangle, Va. 



