FA UNA OF DE VONI AN FORMA T10N A T MIL WA UKEE 28 1 



Cyrtina curvilineata White 



C. hamiltonensis Hall 



C. hamiltonensis var. recta Hall. 

 Dellhyris consobrina D'Orbigny. 



Dielasma calvini H. & Wh 



Eunella lincklaeni Hall 



Liorhynchns kelloggi Hall 



L. sp 



L. sp 



Lingula complanata Williams. 



L. maida Hall 



L. melie Hall 



L. spatulata Vanuxem 



Lingulella paliformis Hall , 



Orbiculoidea lodiensis Hall 



0. lodiensis var. media Hall 



0. marginalis Whitfield 



0. two other species 



Or this sp , 



Orthothetes chemiingensis var. arctistriata Hall. 



Peniamerella, two species 



Pholidostrophia iowaensis Owen 



Schizophoria macfarlani Meek 



S. striatula Schlotheim 



.S. lulliensis Vanuxem , 



Spirifer asper Hall 



S., near Fi/ryteines Owen 



S. iozvaensis Owen 



S. pennatus Atwater 



S. pennatus var. posterus Hall 



S. stibvaricosus H. & Wh 



S. sp 



Stropheodonta demissa Conrad . 



S. perplana Conrad 



S. sp 



Terebratula, one or two species. 



Bryozoa — including Monticuliporoids 



Aulopora, two species, free growing 



A., one or two species on shells of Brachiopods. 



Fenestella sp 



F. sp 



F. sp. 



Hederella, one or two species on shells of Brachiopods 



Hernodia humifnsa Hall, on Gomphoceras 



Reptaria stolon?/e?-a Rolle, on Gomphoceras 



Stictopora, one or two species 



Stomatopora sp., on shells of Brachiopods 



Of Monticuliporoids there are several different 

 genera and species; with simple thin-walled 

 cells; with thick-walled cells; with intermediate 

 mesopores ; massive, dendritic, and laminar — In 

 Section A„ and B 2 . 



A, 



A, 



Bx 



