FA UNA OF DE VONIAN FORMA TION A T MIL IVA UKEE 279 



FAUNA OF THE MILWAUKEE DEVONIAN FORMATION 



Pisces 

 Acantkolepis fragilis Newb. (=A. pustnlosa Newb.) 



Cladodus sp 



Dinichthys pustulosus Eastman 



D. tuberculatiis Newberry 



D. sp 



Heteracantluis politus Newberry 



//. iiddeni Lindahl 



Onychodus sigmoides Newberry 



Palaeomylus greenei Newberry 



Phtyctaenacanthns telleri Eastman 



Ptyctodus calceolas N. & W 



P. ferox Eastman 



Rhynchodus excavatus Newberry 



Sphenophorns sp 



Titanichthys sp 



Scales of fishes, of undetermined species. 



Crustacea 

 Echinocaris ( = Ceraliocaris) sp. 



Phacops rana Green 



Pro'ettis sp 



P. sp 



Cephalopoda 



Goniphoceras breviposticum Whitfield 



G. fusiformae Whitfield 



G., at least ten other species, large and small, in 

 eluding so-called "Horses' Hoofs," all from B x . 



Goniatites sp 



Gyroceras eryx Hall 



G., three or four other species 



Orthoceras, large, like O. bebryx Hall 



O., very slender 



O., one or two other species 



Pteropoda 



Conularia sp 



Hyolithes sp 



Tentaatlites bellulus Hall , 



Gastropoda 



Bellerophon, near pelops Hall 



Callonema sp 



Cyclonema sp 



Loxonema sp 



Murchisonia sp., minute, preserved in pyrites. 



M. sp., large 



Platyceras auricidatum Hall . . . 



P. carinattim Hall 



P. erection Hall 



P., two other species 



Pleurotomaria, two or three species 



A. 



A„ 



