356 PALAEONTOLOGY OF NEW YORK. 



Order Telotremata, Beecher. 

 Sub-order Rostracea, Schuchert. 



Family RHYNCHONELLID^, Gray. 



Protorhyncha, Hall, 1893. Uncinulina, Bayle, 1878. 



Orthorhynchula, Hall, 1893. Hypothyris, (McCoy) King, 1850. 



Rhynchotrema, Hall, 1860. Pugnax, Hall, 1893. 



Rhynchotreta, Hall, 1879. Eatonia, Hall, 1857. 



Stenoschisma, Conrad, 1839 Cyclorhina, Hall, 1893. 



Camarotcechia, Hall, 1893. Terebratuloidea, Waagen, 1883. 



LioRHYNCHUs, Hall, 1860. Rhynchopora, King, 1856. 

 WiLSONiA, (Quenstedt) Kayser, 1871. Rhynchonella, Fischer de Waldheim, 

 Uncinulus, Bayle, 1878. 1809. 



Sub-order Ancylobrachia, Gray. 



Family CENTRONELLIDM, Waagbn. 



Rensselaeria, Hall, 1859. Romingerina, Hall, 1893. 



Beachia, Hall, 1893. Trigeria, Bayle, 1875. 



Newberria, Hall, 1891. (?) Notothyris, Waagen, 1882. 



Ce.ntronella, Billings, 1859. Scaphiocceli a, Whitfield, 1891. 



Oriskania, Hall, 1893. Megalanteris, Suess, 1855. 



Selenella, Hall, 1893. (?) Enantiosphen, Whidborne, 1893. 



Family l^TRTNGOCEPHALID^, Dall. 



Stringocephalus, Defrance, 1827. 



Family TEREBRATULID^. Dall. 



Cryptonella, Hall, 1861. Cran^ena, Hall, 1893. 



Eunella, Hall, 1893. Dielas.mina, Waagen, 1882. 



Harttina, Hall, 1893. Hemiptychina, Waagen, 1882. 



DiELASMA, King, 1859. Beecheria, Hall, 1893. 



Epithyris, King. 1850. (?) Cryptacanthia, White and St. John, 



1867. 



