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Aglaocetus
''Aglaocetus'' is a genus of extinct mysticete known from the Miocene of Patagonia, the US Eastern Seaboard, and Belgium. It was once considered a member of Cetotheriidae along with many other putative cetotheres, but was recently recognized as representing a distinct family from true Cetotheriidae. ==Species==
There are five currently recognized valid species: ''Aglaocetus moreni'', ''A. latifrons'', ''A. burtini'', ''A. rotundus'', and ''A. patulus''.〔R. Lydekker. 1894. Cetacean skulls from Patagonia. Anales del Museo de la Plata II:1-13〕〔R. Kellogg. 1968. A sharp-nosed cetothere from the Miocene Calvert. Proceedings of the United States National Museum 247(7):163-173〕〔P. J. Van Beneden. 1859. Rapport de M. Van Beneden. Bulletins de L'Academie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 8:123-146〕〔 P. J. Van Beneden. 1880. Les mysticetes a courts fanons des sables des environs d'anvers. Bulletins de L'Academie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 1880:11-27〕 The type species, ''Aglaocetus moreni'', was originally described as a species of ''Cetotherium'', but later recognized as generically distinct from the latter.〔R. Kellogg. 1934. The Patagonian Fossil Whalebone Whale, Cetotherium moreni (Lydekker). Carnegie Institution of Washington 447:64-81〕 Recent cladistic analysis failed to recover ''A. patulus'' in a monophyletic clade with the genus, suggesting that ''A. patulus'' deserves a new generic name.〔M. Bisconti, O. Lambert, and M. Bosselaers. 2013. Taxonomic revision of Isocetus depauwi (Mammalia, Cetacea, Mysticeti) and the phylogenetic relationships of archaic 'cetothere' mysticetes. Palaeontology 56(1):95-127〕
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