﻿1090 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I27 



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B. Atelelasma aff . A. perfection Cooper, new species 522 



(3) Impression of a pedicle interior doubtfully referred to this species, X 1, 

 figured specimen, 110132a. 



Whistle Creek formation, top of the ridge 1,000 feet north of the road on 

 Buffalo Creek, 2i miles west of Murat, Natural Bridge (15') Quadrangle, Va. 



C. Atelelasma perfectum Cooper, new species 522 



(4, 5) Two pedicle interiors, X I, paratypes, 110135P, 110135k; (6-8, 11) respec- 

 tively pedicle, brachial, side, and posterior views of a complete specimen, X 1, 

 holotype, noi35g; (9, 10) pedicle and brachial interiors, X h of the holotype; 

 (12, 14, 16) respectively side, pedicle, and brachial views of a large, somewhat 

 laterally compressed specimen, X 1, paratype, noi35i; (13, 15) brachial and pedi- 

 cle interiors, X T , of the preceding; (17, 18) exterior and interior of a large 

 pedicle valve, X 1, paratype, 110135I1; (19) brachial view, X 1, of the preceding 

 specimen with both valves in contact ; (20) fine brachial interior, X 2, showing 

 pallial trunks and cardinalia, paratype, 110135J ; (21) small brachial interior, X 2, 

 paratype, noi35n; (22) posterior of the pedicle interior and interarea showing 

 lateral plates bounding the delthyrium, X 2, paratype, uoi35f; (23) small bra- 

 chial valve, X 3, showing brachiophores and their supporting tissue, paratype, 

 110135-I; (24) exterior of a fine individual showing lateral plates, X i» para- 

 type, 110136; (25) fine pedicle interior, X 2, showing pallial trunks, paratype, 

 noi35d. 



Arline formation (near middle), north side of old road in glade, i mile 

 southeast of Friendsville, Concord (T.V.A. 138-SW) Quadrangle, Tenn. 



Plate 80 

 Atelelasma, Kullervo 



A. Kullervo omata Cooper, new species 5 2 7 



(1, 6) Exterior and interior of the brachial valve, X 4, paratype, 110150b; (2-5) 

 respectively posterior, interior, apical, and exterior views of the pedicle valve, 

 X4, holotype, 110150a. Fig. 2 shows the lateral plates in the spondylium. 



Effna-Rich Valley formations, Porterfield Quarry, 5 miles east of Saltville, 

 Maccrady (T.V.A. 218-NW) Quadrangle, Va. 



B. Kullervo parva Cooper, new species 5 2 7 



(7, 8) Two views of the interior of an imperfect pedicle valve, showing spon- 

 dylium, X 4, paratype, 110148b; (9) brachial interior, X 3, showing cardinalia, 

 holotype, 110148a; (10, 11) interior and exterior of a fine brachial valve, X 4> 

 paratype, 110149. 



Horizon and locality same as preceding. 



C. Atelelasma oklahomense Cooper, new species 5 21 



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

 valve showing lateral plates along the delthyrial edge, holotype, 110124; (15, 16) 

 side and exterior views, X 1, of the preceding specimen. 



Bromide formation (Mountain Lake member — near top in Multicostella con- 

 vexa zone), Rock Crossing of Hickory Creek, approximately center sec. 35, 

 T. 5 S., R. 1 E., Criner Hills, Carter County, Okla. 



(14) Pedicle interior, X I, paratype, 110125; (17, 18) posterior and interior views, 

 X 2, of the paratype, showing lateral plates along the delthyrial edge; (19) exte- 

 rior, X 2, of the paratype. 



Bromide formation (Mountain Lake member — bed 16 of Decker), west branch 

 of Sycamore Creek, sec. 22 and 27, T. 3 S., R. 4 E., 7 miles northwest of Ravia, 

 Johnston County, Okla. 



