I'm impressed by Drill's long list, but I wouldn't include subspecies and hybrids. I would make the following corrections:
Black-handed (61), Mexican (64) and Yucatan (66) spider monkeys are all Ateles geoffroyi
Orang-utan (128) superfluous as Bornean (125) and Sumatran (129) orang-utans included separately.
Binturong (180) includes Javan (181) and Palawan (182) binturongs.
Carpathian (199), Eurasian (202) and Siberian (203) lynxes are all Lynx lynx
Leopard (216) includes African (211) and Amur leopards (212)
Barbary (214), African (217) and white (218) are all Panthera leo.
Tiger (220) includes Amur (213), Malayan (219) and Sumatran (223) tigers and Tiger x Amur tiger (221)
Brown bear (240) includes grizzly (238), European brown (241), Kamchatka brown (244), Kodiak (245), Syrian brown (249) and Hokkaido brown (250) bears.
Asiatic black bear (239) includes Himalayan black bear (251)
Red panda (252) includes Styan's red panda (253)
Southern (262) and Alaskan (263) are both Enhydra lutris.
Asian elephant (284) includes Indian elephant (285).
Damara (286),plains (287) and Grant's zebras are all Equus quagga.
Giraffe taxonomy is contentious, but exclude giraffe (314) and reticulated x Rothschild's giraffe (318)
Moose (327) includes Alaskan moose (324)
Roosevelt elk (328) and Rocky Mountain elk (340) are both Cervus canadensis
Sika (342) includes Vietnamese sika (343)
Blue wildebeest (358) includes eastern white-bearded wildebeest (361)
Beisa oryx (365) includes fringe-eared oryx (367)
Aoudad (385) includes Kordofan aoudad (396)
Mishmi(393) and Sichuan (394) takins are both Budorcas taxicolor.