﻿PART II CHAZYAN AND RELATED BRACHIOPODS — COOPER II39 



Page 

 New Market formation, quarry \ mile west of U. S. Highway II, north bank 

 of Middle River, Staunton (15') Quadrangle, Va. 



B. Rostricellula pristum (Raymond) 646 



(6-10) Respectively anterior, posterior, side, pedicle, and brachial views of a 

 complete specimen, X 2, hypotype, A.M.N.H. 25047/2. 



Crown Point formation, Sloop Bay, Valcour Island, Lake Champlain, Platts- 

 burg (15') Quadrangle, N. Y. 



C. Rostricellula raymondi Cooper, new species 647 



(11-15) Respectively posterior, pedicle, brachial, anterior, and side views of a 

 complete specimen, X 1, paratype, 117225; (16-18) pedicle, side, and brachial 

 views, X 2, of the preceding specimen. 



Crown Point or Valcour formation, Valcour Island, Lake Champlain, Platts- 

 burg (15') Quadrangle, N. Y. 



D. Rostricellula plena (Hall) 645 



(19, 20) Brachial and pedicle views of a large specimen, X 1, hypotype, G.S.C. 

 1040. 



St. Martin formation, Montreal, Quebec, Canada. 



E. Rostricellula basalaris Cooper, new species 632 



(21-25) Posterior, brachial, pedicle, side, and anterior views of a complete speci- 

 men, X 2, paratype, 111458a; (26) brachial view, X 1, of the same paratype; 

 (27-29) pedicle, anterior, and brachial views of another specimen, X 2, paratype, 

 111458b. 



Mosheim formation, | mile southwest of Newhope Church, Vandiver (15') 

 Quadrangle, Ala. 



F. Rostricellula basalaris Cooper, new species 632 



(30-32) Posterior, brachial, and side views of a small specimen, X 2, paratype, 

 111524a; (33-36) respectively posterior, side, anterior, and pedicle views of a 

 complete specimen, X 2, paratype, 111524b; (37) brachial view of another 

 specimen showing impression of median septum and cruralium filling, X 3, 

 paratype, 111524c. 



Lenoir formation (conglomerate), 4 miles south of Pelham, Bessemer Iron 

 District (15') Quadrangle, Ala. 



G. Rostricellula transversa Cooper, new species 651 



(38-42) Respectively posterior, anterior, side, brachial, and pedicle views, X 2, 

 of the holotype, 111545a. 



Bromide formation (Pooleville member — 15 feet below the top), Colbert 

 Creek SW£ sec. 15, T. 1 S., R. 1 E., 5 miles southwest of Davis, Murray 

 County, Okla. 



H. Rostricellula plattinensis (Fenton) 644 



(43-47) Respectively anterior, side, posterior, pedicle, and brachial views of a 

 complete specimen, X 1, hypotype, 111491; (48-51) respectively anterior, bra- 

 chial, side, and pedicle views, X 2, of the preceding specimen. 



Plattin group (lower), Heck place, i£ miles south-southeast of River aux 

 Vasses, Weingarten (15') Quadrangle, Mo. 



Plate 133 

 Rostricellula 



A. Rostricellula triangulata Cooper, new species 652 



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

 the holotype, 111549a; (6) pedicle view, X 1, of the holotype; (7-1 1) respec- 

 tively posterior, anterior, side, pedicle, and brachial views of a specimen smaller 

 than the holotype, X 2, paratype, 111549b. 



