PALEOZOIC STRATIGRAPHY OF ROCKY MOUNTAINS 129 



SILURIAN (BLACKSMITH FORK ONLY) 



Member 8, 10 feet below top: 



Syringopora cf. verticillata Goldfuss. 

 Member 4, base: 



Favosites sp. 



Zaphrentis{ ?) sp. 



Conchidium knighti Sowerby. 



Pentamerus cf. oblongus Sowerby. 



Member 2: 



Syringopora sp. 

 Member 1: 



Favosites sp. 



Conchidium knighti Sowerby. 



Pentamerus cf. oblongus Sowerby. 



UPPER ORDOVICIAN (RICHMOND) 



Member 9. (Goose Creek Ridge only.) 

 Calapoecia( ?) cf. anticostiensis Billings. 

 C. cribriformis (Nicholson). 

 Favosites (n.sp. ?). 

 Holy 'sites gracilis (Hall). 

 Streptelasma sp. 

 Crinoid fragments. 

 Rhynchotrema sp. 

 Zygospira modesta(?) Hall 

 Orthoceras( ?) sp. 

 Bryozoa. 



Member 8: 



Calapoecia sp. Blacksmith Fork. 



Streptelasma sp. Goose Creek Ridge, Blacksmith Fork. 



Dalmanella cf. testudinaria (Hall) and hamburgensis (Walcott). Goose 



Creek Ridge. 



Orthoceras( ?) sp. Goose Creek Ridge. 



Member 7: 



Crinoid fragments. Dead Indian Creek. 



Dalmenella(?) sp. Crandall Creek, Teton River(?). 



Leperditia sp. Goose Creek Ridge, Crandall Creek, Teton River. 



Member 6: 



Calapoecia^ ?) cf. anticostiensis Billings. Goose Creek Ridge. 



Columnaria sp. Dead Indian Creek. 



Holy sites gracilis (Hall). Goose Creek Ridge. 



Cf. Protarea richmondensis Foerste. Goose Creek Ridge. 



Streptelasma sp. Goose Creek Ridge. 



Pachydictya fenestelliformis(?) Nicholson. Goose Creek Ridge. 



Rhinidictya cf . mutabilis (Ulrich) . Goose Creek Ridge. 



