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He was the author of six books. [1] E. Raymond Hall and Keith R. Kelson's two-volume work The Mammals of North America (1959) is regarded as a classic of North American mammalian systematics and biogeography. It was revised and reissued by Hall in 1981 under sole authorship.
(v. 2013.2, the data is current as of March 5, 2014 [1]) and Endangered Species Act: E - endangered, T - threatened XN, XE - experimental non essential or essential population E(S/A), T(S/A) - endangered or threatened due to similarity of appearance (selected only taxa found in the US, the data is current as of March 28, 2014 [2])
1951b. Notes on the mammals of the Mackenzie District, Northwest Territories. Arctic 4 (2): 112-121, 4 fig., 1 map. 1952. Report on caribou investigations in the Canadian Arctic, 1948-50. Polar Record 6 (44): 532-534. (Apparently a summary of Banfield, 1951a.) 1954. Preliminary investigation of the barren ground caribou. Part 1.
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The enigmatic dinoceratans were among the first large herbivorous mammals, although their exact relationship with other mammals is still debated with one of the theories being that they might just be distant relatives to living ungulates; the most recent study recovers them as within the true ungulate assemblage, closest to Carodnia.
Chasmaporthetes was named (from chasm and the Greek πορθευτής (portheutes), "destroyer, ravager") by Hay (1921), who noted that the name meant that the North American species, Chasmaporthetes ossifragus (the type species) possibly saw the beginning of the Grand Canyon.
The beginning of the Irvingtonian is defined by the first appearance of Mammuthus south of 55° N in North America, and the beginning of the succeeding Rancholabrean is defined by the first appearance of Bison. [4] In South America, it chronologically overlaps with the Uquian (partial), Ensenadan, and Lujanian in South American Land Mammal Ages.
Lists of mammals of the United States (1 C, 55 P) Pages in category "Lists of mammals of North America" The following 41 pages are in this category, out of 41 total.
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