PALEONTOLOGY OF THE STONES RIVER GROUP OF 
CENTRAL TENNESSEE. 
In correlating the formations of Stones River age in other localities with 
the beds in central Tennessee, it has been found necessary to have available 
a complete list’ of the fossils described from the Murfreesboro, Pierce, Rid- 
ley, and Lebanon formations. 
Murfreesboro Limestone. 
Ctenodonta gibberula Salter. 
Cyclonema (? Gyronema) praeciptum Ulrich. 
Cyrtoceras ? stonense Safford. 
Crypospira tortilis Ulrich. 
Dinorthis deflecta (Conrad). 
HKecliomphalus contiguus Ulrich. 
Ectomaria prisca extenuata Ulrich. 
HKotomaria canalifera Ulrich. 
Eotomaria labiosa Ulrich. 
Gonioceras occidentale Hall. 
Helicotoma declivis Ulrich. 
Helicotoma subquadrata Ulrich. : 
Helicotoma tennesseensis Ulrich and Scofield. 
Leperditia fabulites (Conrad). 
Liospira abrupta Ulrich and Scofield. 
Liospira americana (Billings). 
Liospira decipiens Ulrich. 
Liospira progne (Billings). 
Liospira subconcava Ulrich. 
Lophospira bicinecta (Hall). 
Lophospira centralis Ulrich. 
Lophospira perangulata (Hall). 
Lophospira procera Ulrich. 
Lophospira (?) trochonemoides Ulrich. 
Maclurites magnus Lesueur. 
Maclurites nitidus (Ulrich and Scofield). 
Modiolopsis (?) consimilis Ulrich. 
Nicholsonella frondifera, new species. 
Nicholsonella pulchra Ulrich. 
Ophiletina sublaxa depressa Ulrich and Scofield. 
Orthis tricenaria Conradé. 
Pianodema subaequata (Conrad). 
Plectoceras bondi (Safford). 
Pterygometopus troosti (Safford). 
Raphistomina modesta Ulrich. 
1The list of fossils is compiled from Bulletin 92 U. S. Nat. Mus. and from the 
study of collection made from the different formations of the Stones River group. 
