NO. 2 BRACHIOPOD SUPERFAMILY STENOSCISMATACEA — GRANT 179 



Page 



Plate 10 



1-la..— Coledium rhomb oidale (Hall & Clarke) X2, Logansport Limestone, 



Pipe Creek Falls, Ind 126 



1. Ventral, dorsal, lateral, posterior, and anterior views, USNM 

 142458. 



la. Ventral, lateral, and anterior views, USNM 142461. 

 2-2d. — Colcdium erugatum n. sp., X2 98 



2. Ventral, dorsal, and lateral views, USNM 142120, Moorefield 

 Formation, Muskogee Co., Okla. 



2a. Ventral, dorsal, and anterior views, USNM 142116, upper part of 

 Moorefield Formation, Hulbert Quadrangle, Okla. 



2b. Ventral, dorsal, and lateral views, USNM 142119, upper part of 

 Moorefield Formation, Hulbert Quadrangle, Okla. 



2c. Ventral, dorsal, lateral, and anterior views, USNM 142122, show- 

 ing incipient stolidium, upper part of Moorefield Formation, Hulbert 

 Quadrangle, Okla. 



2d. Ventral, dorsal, lateral, and anterior views, holotype, USNM no. 

 142121, Moorefield Formation, Muskogee Co., Okla. 

 3. — Coledium erugatum n. sp., X4, sagittal section, etched, showing profile 

 of hinge plate, camarophorium, and edge of spondylium, upper part of 

 Moorefield Formation, Hulbert Quadrangle, Okla. USNM 142125. 



Plate 11 



1— lb. — Coledium explanatum (McChesney) X2, lower part of Fayetteville 



Shale, Habberton, Ark 114 



1. Lateral and posterior views, USNM 142157. 



la. Ventral, dorsal, and anterior views, USNM 142162. 

 lb. Ventral, dorsal, lateral, and anterior views, USNM 142158. 

 lc. — Coledium explanatum (McChesney) X3, upper part of Chester Series, 

 Marion, Ky., broken along midline to show profiles of camarophorium 



and spondylium, USNM 142163 



2-7. — Coledium rhomboidale (Hall and Clarke), X2, Logansport Limestone 



at Pipe Cr. Falls, Cass Co., Ind 126 



2. Ventral, dorsal, and lateral views, USNM 142456. 



3. Ventral, dorsal, lateral, and posterior views, USNM 142462. 



4. Ventral, dorsal, lateral, and posterior views, USNM 142460. 



5. Ventral, dorsal, lateral, and posterior views, USNM 142464. 



6. Ventral, dorsal, lateral, and anterior views, USNM 142466. 



7. Ventral, lateral, and anterior views, USNM 142467. 



Plate 12 



1— Id. — Coledium cestriensis (Snider), Pitkin Limestone, Okla 105 



1. Ventral and lateral views of small shell, X2, USNM 142091, Waller 



loc. 69-M. 

 la. Ventral, dorsal, lateral, posterior, and anterior views, X2, USNM 



142093, Waller loc. 69-M. 

 lb. Ventral, dorsal, lateral, posterior, and anterior views, X2, USNM 



142099, Waller loc. 69-M. 



