ORDOVICIAN BRACHIOPODA 



Plectorthis sp. . 

 Desmorthis Ulrich & Cooper . 



Desmorthis ? sp. nov. . 

 Gelidorthis Havlicek 



Gelidorthis cf. partita (Barrande) . 

 Tazzarinia Havlicek 



Tazzarinia elongata sp. nov. 

 Subfamily Platystrophiinae Schuchert & Le Vene 

 Platystrophia King .... 



Platystrophia caelata sp. nov. 



Platystrophia cf . major Williams . 

 Mcewanella Foerste .... 



Mcewanella sp. . 

 Salacorthis gen. nov. .... 



Salacorthis costellata gen. et sp. nov. 

 Family Skenidiidae Kozlowski. 

 Skenidioides Schuchert & Cooper . 



Skenidioides cf. costatus Cooper . 

 Protoskenidioides gen. nov. . 



Pvotoskenidioides revelata gen. et sp. nov. 

 Superfamily Enteletacea Waagen 

 Family Schizophoriidae Schuchert & Le Vene 

 Subfamily Draboviinae Havlicek 

 Drabovia Havlicek .... 



Drabovia cf . fascicostata Havlidek 

 Nocturniella Havlicek .... 



Nocturniella sp. 

 Family Dalmanellidae Schuchert 

 Dalmanella Hall & Clarke 



Dalmanella parva Williams . 



Dalmanella salopiensis sp. nov. . 



Dalmanella salopiensis gregaria sp. et subsp. nov 



Dalmanella salopiensis transversa sp. et subsp. nov 



Dalmanella elementaria sp. nov. . 

 Onniella Bancroft 



Onniella ostentata Williams lepida subsp. nov 

 Family Harknessellidae Bancroft 

 Harknessella Reed 



Harknessella cf. subplicata Bancroft 

 Horderleyella Bancroft. 



Horderleyella cf. plicata Bancroft. 



Horderleyella sp. 

 Reuschella Bancroft 



Reuschella horderleyensis Bancroft carinata subsp 

 Family Heterorthidae Schuchert & Cooper 

 Heterorthis Hall & Clarke 



Heterorthis sp. .... 

 Tissintia Havlicek 



Tissintia prototypa (Williams) 



Tissintia immatura (Williams) 

 Family Linoporellidae Schuchert & Cooper 

 Salopia Williams 



Salopia cf. salteri (Davidson) 



Salopia sp. .... 



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