﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1237 



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 paratype, 117708; (16, 17) pedicle and brachial views of a very young speci- 

 men, X 6, showing pedicle siphon, paratype, 123278; (19) interior of an old 

 pedicle valve showing muscle scars, thick ridge surrounding muscle area, and 

 subperipheral rim, X 1, paratype, 117713. 



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

 ing of Hickory Creek, approximately center sec. 35, T. 5 S., R. 1 E., Criner 

 Hills, Carter County, Okla. 

 (12) Interior of an imperfect brachial valve showing cardinalia, X I, paratype, 

 117712; (13) enlargement of the posterior of the preceding specimen, X 2, 

 showing cardinalia. 



Bromide formation (Pooleville member — upper 20 feet above O.xoplecia gouldi 

 zone), same locality as preceding. 



Plate 256 

 Steophomena 



A. Strophomena basilicoidea Cooper, new species 931 



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

 men, X 1, holotype, 117706; (5) posterior portion of the brachial view, X 2, 

 showing pseudodeltidium and chilidium, same specimen as preceding. 



Peery formation, cut on U. S. Highway 19, 400 feet west of the junction with 

 Virginia Highway 650, Wittens Mills, Burkes Garden (15') Quadrangle, Va. 



B. Strophomena fasciculata Cooper, new species 936 



(6) Brachial view of a small individual, X 2, paratype, 117754b; (7) brachial view 

 of a large specimen, X 2, holotype, 117754a. 



Peery formation, 7 miles southwest of Clinton, Clinton (T.V.A. 137-SW) 

 Quadrangle, Tenn. 



C. Strophomena grandimnsculosa Cooper, new species 937 



(8) Exterior of the pedicle valve, X 1, paratype, 117722; (14) ornamentation of 

 preceding specimen, X 4, taken southwest of beak. 



Lebanon formation (Doleroides zone), cut on Tennessee Highway 16, 5.1 miles 

 north-northwest of Shelbyville, Bedford County, Tenn. 

 (9, 10) Side and brachial views of a complete specimen, X 1, holotype, 117721a; 

 (11) interarea of the preceding, X 2, specimen showing carinate pseudodel- 

 tidium; (16) pedicle interior showing muscle area and thickened rim around it, 

 X I j paratype, 117721b. 



Lebanon formation {Dolcroides zone), cut on U. S. Highway 41, f mile south 



of Knox Branch, 9 miles southeast of Murfreesboro, Rutherford County, Tenn. 



(12, 13) Respectively X 1 and X2 enlargements of the pedicle exterior showing 



ornamentation and pedicle foramen, paratype, 117724a; (17) brachial interior 



showing cardinalia and muscle scars, X 1, paratype, 117724b. 



Lebanon formation (Doleroides zone), cut on U. S. Highway 70S, 1.65 miles 

 west of Cripple Creek, 1.5 miles west of Kittrell, Rutherford County, Tenn. 

 (15) Interior of an old pedicle valve showing exaggerated muscle area, X I, para- 

 type, 117720a. 



Lebanon formation (Doleroides zone), on U. S. Highway 41, ii miles north- 

 west of Mount Olivet, 10 miles southeast of Murfreesboro, Rutherford County, 

 Tenn. 



Plate 257 

 Strophomena 



A. Strophomena aubumensis Fenton 928 



(1) Brachial view of an imperfect complete specimen, X 1, hypotype, 117704a; 



