Order Cetacea Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 723 743 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Feresa Gray 1870 Feresa Gray 1870 , Proc. Zool. Soc. Lond., 1870 (1): 77 . Type Species: Delphinus intermedius Gray 1827 Species and subspecies: 1 species: Species Feresa attenuata Gray 1874 Discussion: Delphinus intermedius Gray, 1827 was preoccupied by Delphinus intermedius Harlan, 1827 (= Globicephala melas ). Gray subsequentally changed generic designations of that nominal taxon ( Grampus intermedius Gray, 1843 ; Orca intermedia Gray, 1846 ).