1486 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhipidomella hybrida (Sowerby). 

 Rhynchonellaf janea Billings. 

 Rusophycus clintonense (Dawson). 

 Sceptroporafustiformis Ulrich. 

 Schuchertella subplana (Conrad). 

 ScolitJius verticalis Hall. 

 Staurocephalites niagarensis Hinde. 

 Strophostylus cancellatus (Hall.) 

 TentaculUes neglectus Nicholson and Hinde. 

 Uncinulus stricklandi (Sowerby). 

 Zaphrentis bilateralis (Hall). 



LOWER CLINTON OF NEW YORK AND APPALACHIAN 

 VALLEY TO SOUTHWEST VIRGINIA. 



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



Actinoceras vertebratum (Hall). 



Atrypa(f) gibbosa Hall. 



Atrypareticularis Linneaus. 

 *Atrypina clintoni Hall and Clarke. 



Atrypina disparilis (Hall). 

 *Avicula?t ferruginea Conrad. 



Beyrichia lata (Vanuxem). 



Bollialata Jones. 



Bucanellatrilobata (Conrad). 



Bucania bellapuncta Hall. 



B ucania stigmosa Hall. 



Buthotrephis gracilis (Hall). 



Buthotrephis gracilis crassa Hall. 



Buthotrephis gracilis intermedia Hall. 



B uthotrcphis impud(ca Hall. 



B uthotrephis palmata Hall. 



Buthotrephis ramosa Hall. 



Calymene clintoni (Vanuxem). 



Camarotoechia equiradiata (Hall). 



Camarotozchia neglecta (Hall). 

 *Calymenella rostrata (Vogdes). 



Cannaporajunciformis Hall. 



Chasmatopora angulata Hall. 

 *Climacograptus scalaris annulatus Ruedemann. 

 *Clintonella vagabunda Hall and Clarke. 

 *Clorinda areyi (Hall and Clarke). 



Coelospira hemispherica (Sowerby). 



Coelospira plicatula (Hall). 

 *Conchidium georgix Hall and Clarke. 

 * Ctenodonta clintonensis (Foerste). 



Ctenodonta curta (Hall). 

 *Ctenodonta diminuens (Simpson). 



Ctenodonta? lata (Hall). 



Ctenodonta mactriformis (Hall). 

 *Ctenodontasinuosa (Simpson). 

 *Ctenodonta subtrigona (Simpson). 

 *Ctenopleuron nerepisense Matthew. 



Cuneamya alveata Whitfield and Hovey. 



Cyrtiameta(Ha,\\). 



Cyrtodontaf alata (Hall). 



Dalmanella elegantula (Dalman). 



Diamesoporaf tubulosa (Hall). 

 *Diaphorostoma niagarense clintonense (Foerste). 



Discosorus conoideus Hall. 

 *Encrinurus americanus Vogdes. 



Encrinurus ornatus (Hall and Whitfield). 

 *Eurypterus (Dolichopterus?) prominens Hall. 



Favositesfavosideus (Hall). 



Fenestella tennis Hall. 



Fungispongia irregularis Ringueberg. 



Glyptocrinus plumosus Hall. 



Holopeafragilis (Hall). 



Holopca obsolcta (Hall). 

 *Holopca obsoleta elevata Foerste. 



Hormotoma subulata (Conrad). 



Hyattidina congesta (Conrad). 



Ichnophycus tridactylus Hall. 



Ichthyocrinus? clintonensis Hall. 



Kionoceras eanccllatum (Hall). 



Lcpcrditla pennsylvanica Jones. 



Leptodesma rhomboidea (Hall). 



Lingula acutirostris Hall. 



Lingula clintoni Vanuxem. 



Lingula oblata Hall. 



Lingula (Palzeoglossa) perovata (Hall). 



Lingula subelliptica D'Orbigny. 



Lingula tseniola Hall and Clarke. 



Modiolopsis subalatus Hall. 



Monograptus clintonensis (Hall). 

 *Monograptus priodon chapmanensis Ruedemann. 



Nuclcospira pisiformis Hall. 



Oncoceras subrectum Hall. 



Orthis(?) tenuidens Hall. 



Orthis(?) trinucleus Hall. 



Orlhoccras virgulatum Hall. 



Orthodesma curtum (Hall). 



Pachydictya crassa (Hall). 



Palxophycus striatum Hall. 



Pentamerus oblongus Hall. 



Pentamerus ovalis Hall. 



Peronosporites globosus Loomis. 



Peronosporitcs minutus Loomis. 



Peronosporites ramosus Loomis. 



Phsenopora constellata Hall. 



Phacops trisulcatus Hall. 



Pisocrinus globosus (Ringueberg). 



Pisocrinus pyriformis (Ringueberg). 



Plcctambonitcs transversalis (Wahlenberg). 

 *Plcctambonitcs transversalis alabamensis Foerste. 



Ptcrinea emacerata (Conrad). 

 *Ptilodictya obliqua (Ringueberg). 

 *Ptilograptus Jiartnageli Ruedemann. 



Pyrcnomeus cuneatus Hall. 



Retiolites geinitzianus venosus (Hall). 



Rhinopora? tubulosa Hall. 



Rhipidomella circulus Hall. 

 *Rhipidomella subcircula (Simpson). 



Rhynchondla(?) Udcns Hall. 

 *Rhynchonella(?) decemplicata (Sowerby). 



Rhynchonella emacerata (Hall). 

 *RhyncJionella Ixvis (Simpson). 



Rusophycus biloba (Vanuxem). 



Rusophycus clavatum Hall. 



Rusophycus pudicum Hall. 



Rusophycus subangulatum (Hall). 

 *Schizophoria senecta Hall and Clarke. 



Striclclandinia canadensis (Billings). 



Spirifcr (Eospirifer) radiatus (Sowerby). 



Stropheodonta corrugata (Conrad). 

 *Strophcodonta(P) corrugata pleuristriata (Foerste). 



Strophonella(f) patenta Hall. 



Strophostylus cancellatus (Hall). 



Strophostylus ventricosus (Hall). 



TentaculUes minutus Hall. 



Zaphrentis bilateralis (Hall). 



Zaphrentis marcoui Edwards and Haime. 



