﻿Il62 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I27 



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B. Paurorthis fasciculata Cooper, new species 965 



(11-13) Brachial, side, and pedicle views of a complete specimen, X 2, paratype, 

 H728og. 



Little Oak formation, junction of Bailey Gap and main roads, i| mile north- 

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

 Vandiver (15') Quadrangle, Ala. 



C. Pionodema subaequata ( Conrad) 992 



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

 perfect specimen, X 1, hypotype, 1 17232. 



Barnhart formation, cut on U. S. Highway 67, 0.2 mile south of Koch Valley 

 School, 2 miles south of Barnhart, Jefferson County, Kimmswick (15') Quad- 

 rangle, Mo. 



D. Pionodema sulcata Cooper, new species 994 



(19) Exterior of the brachial valve, X 2, paratype, H7338d; (20) brachial exte- 

 rior, X 2, paratype, 117338c. 



Nealmont formation (upper shaly bed, Conradella fauna), southern (old) 

 quarry of the National Lime Company, Shrader Station = Naginey, Lewistown 

 (15') Quadrangle, Pa. 



E. Pionodema sulcata Cooper, new species 994 



(21) Brachial view of a complete and nearly perfect specimen, X 1, holotype, 

 1 17337&', (22-26) respectively brachial, anterior, side, posterior, and pedicle 

 views, X 2, of the preceding specimen; (27, 28) respectively X 1 and X 2 views 

 of the brachial interior showing pallial marks and flaring brachiophore support- 

 ing plates, paratype, 117337b. 



Cave Creek formation (below the lower bentonite), on the L. and N. RR., 

 100 yards south of the watertank, Hagan, Rose Hill (T.V.A. 161-NE) Quad- 

 rangle, Va. 



(29) Pedicle interior, X 3, showing muscle area and short median ridge anterior 

 to it, paratype, 117339a; (30) posterior of the brachial interior showing brachio- 

 phore supporting plates set wide apart and thin-shafted cardinal process, X 3, 

 paratype, 117339b. 



Cave Creek formation, on U. S. Highway 58, 3^ miles east of Cumberland 

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



F. Fascifera subcarinata Ulrich and Cooper 1002 



(31) Brachial interior, X 2, showing deep notothyrial cavity and subparallel 

 brachiophore supporting plates, hypotype, 11 73 14. 



Wardell formation (40 feet beneath Hesperorthis zone), Evans Ferry section, 

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

 162-NW) Quadrangle, Tenn. 



G. Pionodema minuscula Willard 991 



(32-36) Respectively side, anterior, pedicle, posterior, and brachial views of a 

 nearly perfect specimen, X 1, hypotype, 117329a; (37-41) respectively side, 

 anterior, pedicle, posterior, and brachial views, X 2, of the preceding specimen. 

 Lebanon formation, Lebanon, Wilson County, Tenn. 

 (42) Brachial interior, X 3» showing muscle scars, brachiophore supports, slender 

 cardinal process, and deep notothyrial cavity, hypotype, 1 17328. 

 Lebanon formation, near La Vergne, Rutherford County, Tenn. 



Plate 156 



Pionodema 



A. Pionodema subaequata (Conrad) 992 



(1) Brachial view of a complete specimen, X 1, hypotype, 117335a; (2, 3) brachial 

 and pedicle views of the preceding specimen, X 2, showing ornamentation. 



