1897. No. 3. 



UEBERSICHT DER ETAGE 5. 



51 



Estland. 



Ptychophylliim Craigense, M'Coy . . 

 PtycJiophyllum buceros, Eich^^^ . . . 

 Ptyc]iopJiyllumbucerosy2iX.estonica^yh. 

 Pholidopliyllmn tubuliis, Dj^b. . , . 



Coscinium proavus, Eichw 



Ptilodictya pennata M'Coy 



Discopora rhombifera, F, Schm. . . . 



Monotrypa sp 



Sole?iopora compacta, Bill 



Crania sp 



Discina gibba, Lm 



Orthis biforata, Schi 



OrtJiis porcata, M'Coy 



Orthis calligramma, var. Sadewitzen- 



sis, F. Rom 



Orthis concititta, Lm 



Leptaena Schmidti, Tqu 



Strophomena rhoniboidalis, Wilck. 



Stroph. semipartita, F. Rom 



Stfoph. nov. sp 



Stroph. expansa. Sow 



Stroph. cf. grandis, Sow 



Stroph. deltoidea, Conr 



Orthisina Verneulii, Eichw 



Atrypa marginalis, Dalm 



Dinobulus sp 



Tentaculites 



Ambonychia radiata, Hall 



Pleiirotomaria notabilis, Eichw. . . . 



Murchisonia insignis, Eichw 



Holopea ampullacea, Eichw 



Maclurea neritoides, Eichw. . . . 

 Subtilités gigas, Eichw 



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