81 



GENERA mCERT^ SEDIS. 



Mostly indeterminable and of Bafinesque. 



AmbJoirema, Rafinesque. 

 Anibhjtrema, Agassiz, 

 Aplecerotis, Paetel. 

 Apleurotis, Rafinesque. 

 * Bufoceplialus, Linn^, 

 *Biirsula, Klein. 



* Capsularia, Llhwyd. 

 Clipsilia, Rafinesque. 



* Conch i/Iiolithus, Martin. 

 Cranicella, Rafinesque. 

 Curvidites, Rafinesque. 

 Ci/clothyris, M'Coy. 

 DeWujridea, M'Coy. 

 Diclipsites, Rafinesque. 

 Diclisma, Rafinesque. 

 Discinella, Hall. 

 Epithjjris, Pliilllps. 

 Goniclis, Rafinesque. 

 Gonotrema, Rafinesque. 

 Hemiasterias, Herrmaunsen. 

 Hemisterias, Rafinesque. 

 Megarima, Deshayes. 



Megarites, Rafinesque. 

 Mcgorima, Rafinesque. 

 Obovites, Rafinesque. 

 Oriliothetes, Evans, 1829. 

 Ortlwthetes, Fischer, 1837. 

 Pachiloma, Rafinesque. 

 Pachyloma, Herrraannsen. 

 * Peridiolithus, Hiipsch. 

 Flachlloma, Ferussac. 

 Plaiilites, Rafinesque, 

 Pleuranisis, Rafinesque. 

 Pleurecterites, Bronn. 

 Pleureterites, Rafinesque. 

 Pleurinea, Rafinesque. 

 Stropliesia, Rafinesque. 

 Strophomenes, Rafinesque. 

 Styriasis, Rafinesque. 

 TelestropMs, Agassiz. 

 Telistroplm, Rafinesque. 

 Trigorbna, Rafinesque. 

 TrimcuUtes, Rafinesque. 

 Zonarites, Rafinesque. 



GENERA CONTAINING A HETEROGENEOUS ASSEMBLY, OF WHICH SOME 

 SPECIES ARE KNOWN OR SUPPOSED TO HAVE BEEN BRACHIOPODS. 



Anomia, Linn6. 

 *Anotnites, Schlotheim. 

 *Bucardites, Argenville. 

 Clnvagella, Goldfuss. 

 *Ctenites, Kenntman. 

 ^Cunolites, auctt. 

 *Gryphites, Llhwyd. 

 *Gryphyies, Da Costa. 

 HelminthoUthus, Linn6. 

 Hipponyx, Morris. 

 *Systerolites, Schlotheim. 

 Hysterotitlies, Link. 

 *Hysterolit]ws, Grew. 

 "Hysterolithus, Aldrovandus, 

 * Hysteropctra, Cardan. 



* Onychites, Mercati. 

 *Ostracites, Llhwyd. 



* Olstrcopectinites, auctt. 

 Patella, Linn6. 

 *Peclimtes, auctt. 



* Pectunculi, auctt. 

 *Pectiincnlits, Gesner. 

 ^ Pectunctilites, Lister. 

 Pycnodonte, Fischer. 

 Siphonaria, Quenstedt. 

 *Stola, Klein. 

 Trigonelles, Fischer. 

 *Trigonellites, auctt. 

 *Urii£iitiSf auctt. 



GENERA ERRONEOUSLY REFERRED TO THE BRACHIOPODA. 



ACEPHALA. 



ANOMIID^. 



iEnigma, Koch. 



CARDITID^. 



Orthonata, Emmons. 

 6 



TJJCINID^. 



Paracyclas, Hall. 



CRUSTACEA. 



ENTOMOSTRACA. 



Daphnoidea, Hibbert. 



