Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species Author Mooi, Rich Author Martínez, Sergio A. Author Del Río, Claudia J. Author Ramos, Maria Inês Feijó text Zootaxa 2018 2018-01-05 4369 3 301 326 journal article 31071 10.11646/zootaxa.4369.3.1 34826a1d-7146-4d75-9585-b226f798ffdb 1175-5326 1135772 97CAA2FC-F3CC-407B-8768-2BB9DE037C86 Genus Abertella Durham, 1953 1958 Karlaster Marchesini Santos, 1958 , p. 16 Emended diagnosis. As for the family, see above. Type species. Scutella aberti Conrad, 1842 , by original designation (Durham 1 953, p. 350). Included species. A. aberti ( Conrad, 1842 ) ; A. cazonesensis Kew in Dickerson & Kew, 1917 ; A. ? habanensis (Sánchez-Roig, 1949); A. palmeri Durham, 1957 ; A. pirabensis ( Marchesini Santos, 1958 ) ; A. gualichensis Martínez et al. , 2005 ; A. dengleri Osborn & Ciampaglio, 2010 ; A. miskellyi Kroh et al. , 2013 . Remarks . Of the above included species, only A. pirabensis , A. gualichensis , and A. miskellyi are known to occur in South American outcrops. Abertella ? habanensis is provisionally listed as an Abertella until further information comes to light on this species. Abertella kewi Durham, 1957 , as listed by Kroh et al . (2013) , is hereby formally removed from Abertella and moved provisionally to Camachoaster as Camachoaster ? kewi , as it no longer satisfies the emended diagnosis provided in this paper.