108 T. Davidson & G. Maiv — 17. Silurian Rocks of Shropshire. 

 BRACHIOPODA FROM UPPER SILURIANS OF SHROPSHIRE. 



GENERA AND SPECIES 

 OF BRACHIOPODA. 



r Rare, r r Very rare. 

 c r Not very abundant. 

 c Common. 

 c c Very abundant. 



Ludlow Series. 



n! — 



LiNGULA Symoiidsii, Salter. 



Lewisii, Sow 



striata, Sow 



minima. Sow 



lata, Sow 



■ cornea. Sow 



Orbiculoidea Forbesii, Dav... 



DisciNA rtigata. Sow. .. 



Morrisii, Dav. 



striata. Sow. .. 



Pholidops (Crania) implicata, 

 Sow 



DiNOBOLUS Davidsoni, Salter.. 



Waldheimia Matvei, Dav 



? Glassei, Dav.. 



Meristella tumida, Dalman.. 



didyma,T)a.\ 



IcBviusciila, Sow. ,. 



? ■ Mawei, Dav 



Spirifera plicatella, var. ra 



diata, Sow 



var. interlineata. Sow. 



crispa, Linne 



elevaia, Dal 



sulcata, His 



Cyrtia exporrecta, Wahl. .. 



NUCLEOSPIRA /5w?W?, Sow... 



Atrypa reticularis, Linne... 



aspera (small var.) 



Schloth 



marginalis, Dal 



imbricata. Sow 



Barrandi, Dav 



Glassia ohovata. Sow. sp 



■ elongata, Dav 



Retzia 



Salleri, Dav 



Boiichardi, Dav. 

 1 



c r 

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c r 

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