﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1020, 



Page 

 holotype, 1 16767; (18) somewhat exfoliated brachial valve, X i> paratype, 



I09337- 



Botetourt formation, roadside at junction Virginia Highways 311 and 114, 

 \ mile southwest of Catawba, Salem (15') Quadrangle, Va. 



G. Glossella papulosa Cooper, new species 229 



(19) Interior of pedicle valve, X 4, paratype, 123305. 



Pratt Ferry formation, 0.2 mile southeast of Pratt Ferry, Blocton (15') Quad- 

 rangle, Ala. 



H. Lingulella lirata Cooper, new species 201 



(20-23) Brachial and side views, X 1, X 2, paratype, 109317b; (24, 25) respec- 

 tively X 1 and X 2 views of the pedicle valve, holotype, 109317a. 



Edinburg formation (Liberty Hall facies — base), about 1 mile northwest of 

 Lexington, Lexington (15') Quadrangle, Va. See pi. 6, D, figs. 16, 17. 



I. Lingulella rideauensis Cooper, new species 203 



(26) Exterior of pedicle valve, imperfect at the anterior, X h holotype, 109315c; 

 (27, 31) brachial exterior, X 1 and X 2, paratype, 109315a; (28) brachial exte- 

 rior, X 2, paratype, 109324a ; (29) exterior of pedicle valve, X I, paratype, 

 109315b; (30) brachial valve showing apical region, X 2, paratype, 109324c. 



Aylmer formation (Rockcliffe member), Hogs Back, Rideau River, south of 

 Ottawa, Gloucester Township, Carleton County, Ontario, Canada. 



Plate 6 



ECTENOGLOSSA, LlNGULELLA, PACHYGLOSSA, PlECTOGLOSSA, PSEUDOLINGULA 



A. Pachyglossa pachydermata Cooper, new species 225 



(1, 2, 4) Respectively brachial, side, and pedicle views, X 2, paratype, 11 6768; 

 (5) pedicle view, X 1, of same; (3) plasticine replica of the exterior of the 

 brachial valve, X 2, of the same paratype. 



Benbolt formation, Tazewell County Farm, I mile east of Tazewell, Burkes 

 Garden (15') Quadrangle, Va. 



B. Ectenoglossa cf. E. nymphoidea Cooper, new species 218 



(6) Exterior of a young, flattened pedicle valve, X 1, figured specimen, 116778a. 

 Paperville formation, i mile northwest of Hollins School, Roanoke (15') 



Quadrangle, Va. 



C. Plectoglossa oklahomensis Cooper, new species 222 



(7) Exterior of a nearly perfect pedicle valve, X 4, paratype, 109294; (13, 14) 

 brachial and pedicle views of an imperfect specimen, X 2, holotype, 1 16765; 

 (15) brachial view, X 4, of holotype, showing delthyrial region. 



Bromide formation (Pooleville member — Oxoplecia gouldi zone), Rock Cross- 

 ing of Hickory Creek, about center sec. 35, T. 5 S., R. I E., Criner Hills, Carter 

 County, Okla. 



(8) Nearly complete brachial valve, X 3, paratype, 1 16764; (9) pedicle valve of a 

 nearly complete specimen, X 1, paratype, 116763; (10-12) pedicle side, and bra- 

 chial views, X 3, of the preceding. 



Bromide formation (Pooleville member, near base), Spring Creek, N£ sec. 17, 

 R. 2 S., T. 1 W., Murray County, Okla. 



D. Lingulella lirata Cooper, new species 201 



(16) Plasticine replica of the exterior of the brachial valve, X 2, holotype, 

 109317a, figured on pi. 5, H, figs. 24, 25; (17) brachial view, with part of pedicle 

 valve adhering, same as preceding. 



Edinburg formation (Liberty Hall facies — base), about 1 mile northwest of 

 Lexington, Lexington (15') Quadrangle, Va. See pi. 5, H, figs. 24, 25. 



