﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER I08l 



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C. Dinorthis szveeneyi (N. H. Winchell ) 397 



( l 3-*7) Respectively anterior, side, brachial, posterior, and pedicle views of a 

 complete individual showing divided and intercalated costae, X 1, figured speci- 

 men, 118020a. 



Decorah formation (Ion member), road cut 1.1 miles east of U. S. High- 

 way 52, south side of Cannon Falls, Goodhue County, Minn. 



D. Chaulistomella elongata ( Willard) 435 



(18) Brachial interior, X 1, hypotype, 110473b; (19, 20) respectively side and 

 pedicle views of a complete specimen, X I, hypotype, 110473a. 



Benbolt part of Dryden formation (300 feet above Stones River formation), 

 100 yards west of the store, junction of Tennessee Highway 33 and Flint Creek 

 road, Maynardville (T.V.A. 145-SE) Quadrangle, Term. 



E. Chaulistomella lebanonensis Cooper, new species 437 



(22, 24-27) Respectively side, brachial, posterior, anterior, and pedicle views, X 1, 

 of the holotype, 84024a; (28) pedicle view, X 2, of holotype. 

 Lebanon formation, Lebanon, Wilson County, Tenn. 

 (29, 30) Respectively X 1 and X 2 enlargements of the brachial valve, paratype, 

 110524a. 

 Lebanon formation, Columbia, Maury County, Tenn. 

 (23) Pedicle interior, X 1, paratype, 110533a. 



Lebanon formation, on U. S. Highway 41, f mile south of Knox Branch, 

 9 miles southeast of Murfreesboro, Rutherford County, Tenn. 

 (21) Posterior of brachial interior showing cardinalia, X 2, paratype, 110523a. 

 Lebanon formation, on U. S. Highway 70N, \ mile west of Rome, Smith 

 County, Tenn. 



Plate 66 



Chaulistomella 



A. Chaulistomella superlata Cooper, new species 444 



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

 plete specimen, X I, holotype, 110506a; (6) pedicle interior, X', paratype, 

 no5o6f ; (7) brachial interior, X 1, paratype, 110506c; (8) pedicle exterior of a 

 small complete specimen, X h paratype, 110506b; (9) another pedicle interior, 

 X 1, paratype, ii05o6d. 



Ridley formation, cut on U. S. Highway 27, just northwest of Chickamauga 

 Creek, Kensington (T.V.A. 106-SE) Quadrangle, Ga. 



B. Chaulistomella brevis (Willard) 433 



(10-14) Respectively posterior, anterior, side, brachial, and pedicle views of a large 

 complete specimen, X 1, hypotype, 116995a; (19) enlargement of surface, X 2, 

 of pedicle valve of same hypotype. 



Upper Benbolt formation, 0.1 to 0.2 mile north of the road, 1.1 miles northeast 

 of Lee Valley, Lee Valley (T.V.A. 171-NW) Quadrangle, Tenn. 

 (15-18) Respectively brachial, anterior, side, and pedicle views of another com- 

 plete and somewhat alate specimen, X I, hypotype, 116994a. 



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

 197-NW) Quadrangle, Va. 



C. Chaulistomella brevis (Willard) 433 



(20-23) Respectively brachial, pedicle, side, and anterior views of a complete speci- 

 men, X I, somewhat narrower and slightly more coarsely costellate, hypotype, 

 116994c; (24) pedicle interior, X 1, hypotype, 116994b; (25) another pedicle 

 interior, X 1, hypotype, n6994d; (26, 27) respectively X* and X2 enlarge- 

 ments of the brachial interior, hypotype, 116994c. 

 Horizon and locality same as preceding. 



