Annotated Catalog of the Fossil Invertebrates Described by, and Named for, William More Gabb (1839 - 1878) Author Groves, Lindsey T. Author Squires, Richard L. text Zootaxa 2018 2018-12-21 4534 1 1 150 journal article 22564 10.11646/zootaxa.4534.1.1 a86ebbda-e16c-440b-afbd-f954646ca5f8 1175-5326 3771206 6640EBBE-839A-4365-8293-B3AB088DCCC8 GASTROPODA " Ptychoris " see Gabb (1876b). Remarks: Gabb (1876b: 291) mentioned that Athleta purpuriformis (Forbes, 1846) and Athleta scrobiculata Stoliczka, 1867 –1868 might belong to a new genus, and Gabb informally suggested that it could possibly be named Ptychoris . Wenz (1943: 1322) erroneously reported that Gabb had officially named this genus, but Gabb did not describe it nor did he designate a type species. gracilior ( Cancellaria ) Carpenter in Gabb, 1869a: 50, unfigured. Santa Barbara, Santa Barbara Co. California ; Pleistocene? Type Material: Type material not located ( Stewart 1927: 291 ); holotype UCMP 15530 and paratype UCMP 15531 ( Palmer 1958: 223 , pl. 26, figs. 6, 7 respectively). Remarks: Gabb's description of this species was quoted from Carpenter (in lit.). Admete gracilior (Carpenter in Gabb, 1869a), according to Arnold (1903: 219 , pl. 7, fig. 4).