﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1 121 



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F. Camerella cf. C. elliptica Cooper, new species 567 



(44-48) Respectively pedicle, anterior, side, posterior, and brachial views of a com- 

 plete specimen, X I, figured specimen, 117133a. 



Lincolnshire formation, on the north side of the road 2 miles southwest of 

 Hall Crossroad, Fountain City (T.V.A. 146-SW) Quadrangle, Tenn. 



Plate 114 



Camerella, Perimecocoelia 



A. Camerella plicata ( Schuchert and Cooper) 577 



(1-5) Respectively side, pedicle, anterior, posterior, and brachial views of a com- 

 plete specimen, X I, hypotype, 111147c; (21, 22) brachial interior, X I, and the 

 same specimen tilted to show cruralium and septum, X 2, hypotype, 111147b; 

 (23, 24) enlargements X 1 and X 2 of the pedicle interior showing the spon- 

 dylium and septum, hypotype, 111147a. 



Ridley formation (top of lower third), east side of Marshall Knobs, 5 miles 

 south of Murfreesboro, Rutherford County, Tenn. 



(6-10) Respectively pedicle, anterior, side, posterior, and brachial views of a com- 

 plete specimen, X 2, paratype, iiii3od; (11-15) respectively posterior, pedicle, 

 side, anterior, and brachial views of a wide specimen with numerous costae, 

 X 1, paratype, Iiii39g; (16-20) respectively anterior, pedicle, side, posterior, 

 and brachial views, X 2, of the preceding. 



Wardell formation (Hesperorthis zone), Evans Ferry section, road cut on 

 U. S. Highway 25E, i mile north of Indian Creek, Howard Quarter (T.V.A. 

 162-NW) Quadrangle, Tenn. 



B. Camerella pulchra Cooper, new species 57& 



(25-29) Respectively posterior, anterior, side, brachial, and pedicle views of a com- 

 plete specimen, X I, paratype, 118012; (30-34) respectively anterior, side, poste- 

 rior, pedicle, and brachial views, X 2, of the same specimen. 

 Horizon and locality same as A, figs. 1-5, above. 



C. Perimecocoelia semicostata Cooper, new species 594 



(35-38) Respectively side, pedicle, anterior, and brachial views of a complete speci- 

 men, X 2, paratype, 117161. 



Benbolt formation, south side of Mount Hagan School, Hilton (T.V.A. 

 197-NW) Quadrangle, Va. 



D. Camerella ? leiorhynchoidea Cooper, new species 57 1 



(39) Somewhat crushed pedicle valve, X 2, paratype, 117138b; (40) brachial 

 valve, X 2, paratype, 1 17133d; (41) a somewhat smaller brachial valve than the 

 preceding, X 2, paratype, 117138c; (42, 43) pedicle exterior, Xi and X 2, 

 holotype, 117138a. 



Edinburg formation (Liberty Hall facies — just below the siltstone band with 

 Paucicrura), road cut on U. S. Highway 33, between Peales Crossroads and 

 Penn Laird, Harrisonburg (15') Quadrangle, Va. 



Plate 115 

 Camerella, Parallelelasma, Stenocamara 



A. Camerella perplexa Cooper, new species 576 



(1-4) Respectively brachial, anterior, pedicle, and side views of a complete speci- 

 men, X 1, holotype, 117143; (5) brachial view, X 2, of the preceding. 



Elway formation (Dinorthis holdeni beds), east of Moccasin Creek on County 

 Highway 679, i mile south of Tumbez, Moll Creek (T.V.A. 196-SE) Quad- 

 rangle, Va. 



