Fauna of the Morrow Group 
87 
by HoltedahL^^ Its resemblance to the Mjatschkowa fauna indi- 
cates a contemporaneous development in the same faunal prov- 
ince. It is apparent from the association of forms as listed 
below that in the light of the Morrow fauna the Moskauer stufe 
should be correlated with the Potts ville of North America. 
Fauna der Moskauer Stufe des Spitzbergens 
Cladochonus bacillaris McCoy 
Syringopora parallela Fischer 
Michelinia tenuisepta Phillips 
Chaetetes radians Fischer 
Platycrinus spitzbergensis Holtedahl 
Fenestella elegantissima Eichwald 
Fenestella sp. 
[very close to F. venusta] 
Pinnatopora tenuis Eichwald 
Ascopora nodosa (Fischer) 
[Rhombopora nodosa (Fischer)] 
Coscinium sellaeforme Trautschold 
Dielasma sacculus (Martin) 
Dielasma sp. a. 
Dielasma sp. b. 
Eumetria vera Hall? 
Camarophoria purdoni Davidson 
Camarophoria pentameroides Tschernyschew 
Spiriferina insculpta Phillips 
[very close to S. campestris] 
Spiriferina holzapfeli Tschernychew 
Spirifer fasciger Keyserling 
[cf. S. goreii] 
Spirifer mosquensis Fischer 
Reticularia lineata (Martin) 
[Squamularia lineata (Martin)] 
Streptorhynchus pelargonatus Schlotheim 
[Orthotetes?] 
Meekella eximia (Eichwald) 
Rhipidomella michelini (Leveille) 
Orthis (Rhipidomella?) sp. 
Schizophoria indica Waagen 
Schizophoria cf. juresanensis Tschernyschew 
Orthotichia morgani (Derby) 
Productus boliviensis d’Orbigny 
Productus longispinus Sowerby 
[Pustula longispina (Sowerby)] 
Productus cf. Wallace! Derby 
