248 



PALEOZOIC TIME. 



1. American Clinton and Niagara Species occurring elsetohere. 



Stromatopora concentrica, Great Britain (Dudley), Sweden, Russia, Eifel. 



Halysites catenulata, Great Britain (Llandeilo, Dudley, Aymestry), Norway, Sweden 



Russia, Eifel. 

 Hellolites pyriformis, Great Britain (Wenlock, Aymestry), France, Sweden, Russia, 



Eifel. 

 Limaria fruticosa, Great Britain (Dudley, Aymestry), Russia. 

 Limaria clathrata (?), Great Britain (Dudley), Russia. 

 Ichthyocrinus Urns Con. ( ?), Great Britain (Dudley). 

 Eucalyptocrinus decorus, Great Britain (Dudley). 

 Orthis elegantula, Great Britain (Wenlock), Gothland (in Sweden). 

 Orthis hybrida Sow., Great Britain. 

 Orthis biloba, Great Britain (Dudley), Gothland. 

 Orthis flabellulum, Great Britain (Bala.) 

 Leptama transversalis, Great Britain, Gothland. 

 Strophomena rhomboidalis (formerly Leptaina depressa and Stroph. rugosa)^ Great Britain 



(Dudley, Aymestry), Sweden, Russia, Belgium, Eifel, France, Spain. 

 Spirifer crispus Hising., Great Britain (Llandeilo, Dudley), Gothland. 

 Spirifer radiatus, Great Britain (Dudley). 

 Spirifer sulcatus Hising. ( ?), Great Britain (Dudley). 

 Nucleospira pisum, Great Britain (Wenlock and in Scotland). 

 Atrypa reticularis, Great Britain (Wenlock), Gothland, Germany, Russia (Urals, 



Altai). 

 Merista (Rhynchonella) nitida, Great Britain and Gothland. 

 Rhynchonella bidentata, Great Britain (Wenlock). 

 Rhynchonella cunesta,. Great Britain (Wenlock), Gothland. 

 Rhynchonella pliciitella Dalm., Great Britain (Wenlock, Aymestry). 

 Rhynchonella Wilsoni, Great Britain (Wenlock). 

 Rhynchospira ? (Atrypa) aprinis, Russia. 

 Pentamerus brevirostris H., Great Britain. 

 Pentamerus oblungus, Great Britain (Wenlock). 



Pentamerus levis, Great Britain (Wenlock). — P. Knightii, Great Britain (L,udlow,. 

 Anastrophia interplicata, Great Britain. 

 Orthoceras imphcatum, Great Britain (Ludlow), Gothland. 

 Orthoceras annulatum, Great Britain (Wenlock). 

 Orthoceras virgatum, Great Britain. 

 Orthoceras undulatum, Great Britain, Eifel. 

 Jlkenus (Bumastis) Barriensis, Great Britain (Dudley). 

 Phacops Umulurus (f), Great Britain (Dudley), Bohemia, Sweden. 

 Ceraurus insignis, Bohemia. 

 Calymene Blumenbachii, Great Britain (Bala, Wenlock), Sweden, Norway, Bohemia, 



France. 

 Homalonotus delphinocephalus, Great Britain (Dudley). 

 Proetus Stokesii Murch., Great Britain (Dudley). 



2. American Lower Helderberg Species occurring elsewhere. 



Strophomena rugosa, Great Britain (Dudley, Aymestry), Gothland, Russia, Eifel, 



France, Spain. 

 Atrypa reticularis, Great Britain (Wenlock), Sweden, Russia (Urals, Altai), Bohemia. 

 Dalmanites nasuta, Great Britain, Sweden, Russia. 

 Eurypterus remipes, Russia (island of Oesel, according to Keyserling). 

 Pentamerus galeatus, Great Britain (Aymestry, Dudley, Ludlow), Eifel. 



There are a number of other species closely like European, but they are regarded 

 by Hall as distinct. 



