358 
PALEONTOLOGY OF NEW YORE 
Rhynchospira, Hall, 1859. 
Homceospira, Hall, 1893. 
Ptychospira, Hall, 1893. 
Trematospira, Hall, 1857. 
Parazyga, Hall, 1893. 
Family RETZIIBJE. 
Retzia, King, 1850. 
Uncinella, Waagen, 1883. 
Eumetria, Hall, 1864. 
Acambona, White, 1862. 
Hustedia, Hall, 1893. 
Family UNCITIBRS, Waaghn. 
Uncites, Defrance, 1825. 
Family MERISTELLID^, Waagen. 
Merista, Suess, 1851. 
Camarium, Hall, 1859. 
Dicamara, Hall, 1893. 
Meristella, Hall, 1860. 
Charionella, Billings, 1861. 
(?) Pentagonia, Cozzens, 1846. 
Goniocmlia, Hall, 1861. 
Family ATHYRIBM, Waagen. 
Meristina, Hall, 1867. 
Whitfieldia, Davidson, 1882. 
Glassina, Hall, 1893. 
Athyris, McCoy, 1844. 
Sptrigera, d’Orbigny, 1847. 
Cliothyris, King, 1850. 
Actinoconchus, McCoy, 1844. 
Seminula, McCoy, 1844. 
Spirigerella, Waagen, 1883. 
Kayseria, Davidson, 1882. 
TNCERT2E SEBI8. 
Eichwaldia, Billings, 1858. Aulacorhynchus, Dittmar, 1871. 
Dictyomlla, Hall, 1867. /5ogramwa,MeekandWorthen,1873. 
