﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1223 



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 stone), second dam on Spring Creek, northwest of Woodford, Murray County, 

 Okla. 



C. Macrocoelia obesa Cooper, new species 895 



(15, 16) Brachial and pedicle views, X 1, of the holotype, 117783a; (19) orna- 

 mentation, X 4, of the preceding specimen. 



Arline formation (upper), \ mile south of McMullens, Meadow (T.V.A. 

 139-NW) Quadrangle, Tenn. 

 (14, 18) Posterior part of two brachial interiors showing the cardinalia and 

 septa associated with the muscle area, respectively X 1 and X 2, paratype, 

 117782a; (17) part of pedicle interior showing flabellate muscle area, X i» 

 paratype, 117782b. 



Horizon and locality same as A above. 



Plate 231 

 Glyptomena, Macrocoelia 



A. Macrocoelia platys Cooper, new species 898 



(1-5) Side, anterior, posterior, brachial, and pedicle views, X i> of the holotype, 

 117790a; (6) brachial interior, X I, paratype, 117790c; (7) interior of the 

 pedicle valve, X 1, paratype, 117790b. 



Lincolnshire formation, Marble Bluff, 8 miles west-northwest of Loudon, 

 Loudon (30') Quadrangle, Tenn. 



B. Glyptomena ? distans (Raymond) 883 



(8) Exterior of a brachial valve, X I, holotype, Carnegie Mus. 5452. 



Valcour formation, Valcour Island, Plattsburg (15') Quadrangle, N. Y. 



C. Macrocoelia magna (Butts) 894 



(10-13) Respectively side, anterior, brachial, and pedicle views of a large and com- 

 plete specimen, X I, hypotype, 117781a; (9) pedicle view of a large specimen, 

 X i| hypotype, H778id; (14) brachial view of a complete uncrushed specimen, 

 X I, hypotype, 117781b. 



Benbolt formation, roadside, 1.6 miles northeast of Heiskell, Powell Station 

 (T.V.A. 137-SE) Quadrangle, Tenn. 



Plate 232 



Macrocoelia 



A. Macrocoelia magna ( Butts ) 894 



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

 the holotype, 98199; (6) posterior of the holotype, X 2, showing the interarea 

 and chilidium; (7) ornamentation of the brachial valve, X 2, showing can- 

 cellated fine costellae. 



Benbolt formation, 1 mile northwest of Rye Cove, Clinchport (T.V.A. 

 188-NW) Quadrangle, Va. 



Plate 233 

 Macrocoelia 



A. Macrocoelia ornata Cooper, new species 897 



(1-3) Brachial, side, and pedicle views of a small specimen, X I, paratype, 

 117789a. 



Little Oak formation, junction of Bailey Gap and main roads, if miles north- 

 east of Newhope Church, Cahaba Valley, SW^S W| sec. 13, T. 19 S., R. 2 W., 

 Vandiver (15') Quadrangle, Ala. 



