1486 BULLETIN 92. UNITED STATES NATIONAL MUSEUM. 



Rhipidomella liybrida (Sowerby). 

 Rhynchonellaf janea Billings. 

 Rusophycus clintonense (Dawson). 

 Sceptropora fustiformis Ulrich. 

 Schuchertclla subplana (Conrad). 

 Scolithus verticalis Hall. 

 Staurocephalitcs niagarcnsis Hinde. 

 Strophostylus cancellatus (Hall.) 

 Tentaculitcs ncglectus Nicholson and Hinde. 

 Uncinulus stricklandi (Sowerby). 

 Zaphrentis bilateralis (Hall). 



LOWER CLINTON OF NEW YORK AND APPALACHIAN 

 VALLEY TO SOUTHWEST VIRGINIA. 



(Species marked * may bo of Upper Clinton age.) 



Actinoceras vcrtebratum (Hall). 



Atrypa{?) gibbosa Hall. 



Atrypa reticularis Linneaus. 

 *Atrypina dintoni Hall and Clarke. 



Atrypina disparilis (Hall). 

 *A viculaff ferruginea Conrad. 



Beyrichia lata (Vanuxem). 



Bollialata Jones. 



Bucanella trilobata (Conrad). 



Bucaniabellapuncta Hall. 



B ucania stigmosa Hall. 



B uthotrephis gracilis (Hall). 



B uthotrephis gracilis crassa Hall. 



B uthotrephis gracilis intermedia Hall. 



B uthotrephis impudica Hall. 



B uthotrephis palmata Hall. 



B uthotrephis rarnosa Hall. 



Calymene dintoni (Vanuxem). 



Camarotachia equiradiata (Hall). 



Camarotccchia neglecta (Hall). 

 *Calymenella rostrata (Vogdes). 



Cannapora junciforwis Hall. 



Chasmatopora angulala Hall. 

 *Climacograptus scalaris annulatus Ruedemann. 

 *Clintonella vagabunda Hall and Clarke. 

 *Clorinda areyi (Hall and Clarke). 



Cedospira hemispherica (Sowerby). 



Ceelospira plicatula (Hall). 

 *Conchidium georgix Hall and Clarke. 

 ^Ctenodonta clintonensis (Foersto). 



Ctenodonta curt a (Hall). 

 *Ctenodonta diminuens (Simpson). 



Ctenodonta? lata (Hall). 



Ctenodonta mactriformis (Hall). 

 *Ctenodonta sinuosa (Simpson). 

 *Ctenodonta subtrigona (Simpson). 

 *Ctenopleuron nerepisense Matthew. 



Cuneamya alveata Whitfield and Hovey. 



Cyrtiameta (Hall). 



Cyrtodonta? alata (Hall). 



Dalmanella elegantula (Dalman). 



Diamesopora? tubulosa (Hall). 

 *Diaphorostoma niagarense clintonense (Foerste). 



Biscosorus conoideus Hall. 

 *Encrinurus americanus Vogdes. 



Encrinurus ornatus (Hall and Whitfield). 

 *Eurypterus (Dolichoptcrus?) prominent Hall. 



Favosiles favosideus (nail). 



Fenestella tenuis Hall. 



Fungispongia irregularis Ringueberg. 



Olyplocrinus plumosus Hall. 



Holopca fragilis (nail). 



Holopea obsol eta (Hall). 

 *Holopea obsolcta elevata Foerste. 



Hormotoma subulata (Conrad). 



Hyattidina congesta (Conrad). 



Ichnophycus tridactylus Hall. 



Ichthyocrinus? clintonensis Hall. 



Kionoceras eanccllatum (Hall). 



Lepcrditia pennsylvanica Jones. 



Leptodesma rhomboidea (Hall). 



Lingula acutirostris Hall. 



Lingula dintoni Vanuxem. 



Lingula oblata Hall. 



Lingula (Palseoglossa) pcrovata (Hall). 



Lingula subclliptica D'Orbigny. 



Lingula ixniola Hall and Clarke. 



Modiolopsis subalatus Hall. 



MonograpHis clintonensis (Hall). 

 *Monograptus priodon chapmanensis Ruedemann. 



Nuclcospira pisiformis Hall. 



Oncoceras subrcdum Hall. 



Orthis(f) tenuidens Hall. 



Orthis{?) trinuclcus Hall. 



Orthoccras virgulatum Hall. 



Orthodesma curium (Hall). 



Pachydictya crassa (Hall). 



Palseophycus striatum Hall. 



Pentamcrus oblongus Hall. 



Pentamerus ovalis Hall. 



Pcronosporites globosus Loomis. 



Peronosporitcs minutus Loomis. 



Pcronosporites ramosus Loomis. 



Phxnopora constellata Hall. 



Phacops trisulcatus Hall. 



Pisocrinus globosus (Ringueberg). 



Pisocrinus pyriformis (Ringueberg). 



Plcctambonitcs transversalis ( Wahlenberg). 

 *Plcctambonitcs transversalis alabamensis Foerste. 



Pterinca emacerata (Conrad). 

 *Ptilodictya obliqua (Ringueberg). 

 *Ptilograptus hartnageli Ruedemann. 



Pyrenomcus cuneatus Hall. 



Retiolitcs gcinitzianus venosus (Hall). 



Rhinoporaf tubulosa Hall. 



Rhipidomella circulus Hall. 

 *Rhipidomella subcircula (Simpson). 



Rhynchonella(?) bidens Hall. 

 *Rhynchonella(?) dcccmplicata (Sowerby). 



Rhynchonella emacerata (Hall). 

 *Rhynchonella Levis (Simpson). 



Rusophycus biloba (Vanuxem). 



Rusophycus clavatum Hall. 



Rusophycus pudicum Hall. 



Rusophyms subangulatum (Hall). 

 *Schizophoria sencda Hall and Clarke. 



Stricklandinia canadensis (Billings). 



Spirifer ( Eospirifer) radiatus (Sowerby). 



Stropheodonta corrugata (Conrad). 

 *Stropheodonta(?) corrugata pleuristriata (Foerste). 



Strophonella{?) patenta Hall. 



Strophostylus cancellatus (Hall). 



Strophostylus ventricosus (Hall). 



Tentaculites minutus Hall. 



Zaphrentis bilateralis (Hall). 



Zaphrentis marcoui Edwards and Haime. 



