﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER 1 22 1 



Page 

 side, on Oklahoma Highway i8, sec. n, T. I S., R. 3 E., 1.8 miles south of 

 Sulphur, Murray County, Okla. 



Plate 228 

 Cyphomena, Dactylogonia, Leptaena, Murinella 



A. Cyphomena angulata Cooper, new species 841 



(1-5) Respectively posterior, anterior, pedicle, side, and brachial views, X 2, of 

 the paratype, 117617a; (6, 7) pedicle and brachial views, X 1, of the same 

 specimen. 



Edinburg formation (lower part of Nidulites zone), east side of U. S. High- 

 way 11, 100 yards south of the entrance to Battlefield Crystal Caverns, I mile 

 north of Strasburg, Strasburg (15') Quadrangle, Va. 



B. Leptaena ordovicica Cooper, new species 820 



(8) Brachial interior showing ridges and pallial marks, X 2, paratype, 117667. 

 Martinsburg formation (part with Brongniartella and referable to the Salona 

 formation), on Virginia County Highway 617 = 910, 0.15 mile north of Green 

 Mount Church, Broadway (15') Quadrangle, Va. 

 (9, 10) Respectively X 2 and X 1 enlargements of the pedicle exterior, holotype, 

 117669a; (11, 18) respectively X 2 and X 1 enlargements of the brachial interior 

 showing cardinalia, paratype, 117669b. 



Oranda formation (top), slope on north side of Virginia County High- 

 way 777, under barn, just west of junction of roads 777 and 617 = 910, about 

 I mile north of Green Mount Church, Broadway (15') Quadrangle, Va. 

 (12) Poorly preserved pedicle valve, X 1, paratype, 1 17668. 



Carters formation (5 feet below top), top of old quarry 0.3 mile north of 

 Gate City, Leeds (15') Quadrangle, Ala. 

 (13, 14) Respectively X2 and X 1 enlargements of the pedicle impression show- 

 ing the muscle scars and the papillose interior, paratype, 117670a; (15) plas- 

 ticine replica of the pedicle exterior, X 2, mold, paratype, 117670b; (16) impres- 

 sion of the brachial interior, X 2, paratype, 117670c. 



Oranda formation, north side of road, 0.6 mile northwest of Linville Station, 

 Broadway (15') Quadrangle, Va. 

 (17) Exterior of a small pedicle valve, X 1, paratype, 117664a. 



Rodman formation, Bellefonte, Bellefonte (15') Quadrangle, Pa. 



C. Dactylogonia sp. 1 837 



(19) Interior of a pedicle valve, X 2, figured specimen, 117605. 



Benbolt formation, | mile north of the school at Rye Cove, Clinchport 

 (T.V.A. 188-NW) Quadrangle, Va. 



D. Murinella speciosa Cooper, new species 850 



(20-22) Side, brachial, and pedicle views of a complete specimen, X 1, holotype, 

 117646; (23-26) respectively brachial, posterior, anterior, and pedicle views, 

 X 2, of the preceding specimen. 



Lincolnshire formation (Hogskin member — Oligorhynchia zone), 0.4 mile 

 east-northeast of Red Hill, 4 miles west-southwest of Thorn Hill, Avondale 

 (T.V.A. 162-SW) Quadrangle, Tenn. 



Plate 229 

 Furcttella, Hesperinia, Holtedahlina 



A. Furcitella scofieldi (Winchell and Schuchert) 878 



(1, 2) Pedicle and brachial views of a complete specimen, X 1, hypotype, 1 17748; 

 (3-S) brachial, side, and pedicle views, X 2, of the same specimen. 

 Prosser formation (Zygospira bed), St. Paul, Minn. 



