MEDINAN, NIAGARAN, AND CHESTER FOSSILS 
45 
In the Euphemia dolomite, beneath the Springfield dolomite 
in the Jackson quarry, the following fossils were found: 
Enterolasma caliciilum 
Favosites sp. 
Caryocrinus sp. 
Dimerocrinus sp. 
Lichenalia sp. with pseudo-tubular growth, as in Cedarville 
dolomite 
Atrypa reticularis 
Brachyprion cf. newsomensis 
Camarotoechia neglecta 
Leptaena rhomboidalis 
Orthis flabellites 
Pentamerus oblongus 
Platystrophia daytonensis 
Rhipidomella hybrida 
Schuchertella subplana 
Spirifer radiatus 
Stropheodonta cf. profunda 
Strophonella williamsi 
Whitfieldella sp. 
Diaphorostoma cf. niagarense 
Dalmanites cf. limulurus 
Illaenus ioxus 
In the Euphemia dolomite, in the large quarry northwest of 
Lewisburg, the following species occur: 
Enterolasma caliculum 
Atrypa reticularis 
Leptaena rhomboidalis 
Orthis flabellites 
Plectambonites transversalis 
Schuchertella subplana 
Strophonella sp., strongly convex form 
Whitfieldella sp., large 
Diaphorostoma cf. niagarense 
Dalmanites cf. limulurus 
Illaenus ioxus 
