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Allosaurus fragilis

Taxonomy
Allosaurus fragilis was named by Marsh (1877). Its type specimen is YPM 1930, a partial skeleton, and it is not a trace fossil. Its type locality is Felch Quarry 1, Garden Park (YPM), which is in a Kimmeridgian/Tithonian channel sandstone/claystone in the Morrison Formation of Colorado. It was considered monophyletic by Madsen (1976).

It was synonymized subjectively with Antrodemus valens by Gilmore (1920), Piveteau (1923), Steel (1970) and Swinton (1970).

Synonyms
Synonymy list
YearName and author
1870Poicilopleuron valens Leidy p. 3
1873Antrodemus valens Leidy pp. 267-269 figs. 16-18
1877Laelaps trihedrodon Cope p. 806
1877Allosaurus fragilis Marsh
1878Laelaps trihedrodon Cope p. 233
1878Epanterias amplexus Cope p. 406
1878Allosaurus lucaris Marsh
1878Creosaurus atrox Marsh
1878Allosaurus lucaris Marsh p. 242
1878Creosaurus atrox Marsh p. 243 fig. 1
1878Dryptosaurus trihedridon Williston p. 45
1879Labrosaurus lucaris Marsh
1880Allosaurus fragilis Sauvage p. 523
1880Allosaurus lucarius Sauvage p. 523
1880Creosaurus atrox Sauvage p. 523
1884Labrosaurus ferox Marsh p. 333 fig. 9
1885Allosaurus fragilis Woodward p. 12
1887Allosaurus agilis Zittel
1896Allosaurus ferox Marsh
1902Epanterias amplexus Hay p. 483
1902Dryptosaurus trihedrodon Hay p. 488
1902Allosaurus fragilis Hay p. 489
1902Antrodemus lucaris Hay p. 489
1902Antrodemus valens Hay p. 489
1902Creosaurus atrox Hay p. 489
1902Allosaurus fragilis Mansel-Pleydell p. lxxviii
1903Creosaurus atrox Osborn pp. 697-701
1904Creosaurus atrox Lambe p. 8
1904Allosaurus fragilis Lambe p. 22
1911Allosaurus fragilis Lull p. 173
1911Creosaurus atrox Lull p. 186
1911Allosaurus agilis von Zittel p. 280
1914Allosaurus agilis Huene p. 587 figs. Pl. 7
1915Allosaurus agilis Stromer p. 6
1919Epanterias amplexus Osborn and Mook p. 383
1920Antrodemus valens Gilmore
1920Labrosaurus ferox Gilmore p. 124
1923Antrodemus valens Huene p. 457 fig. 3
1923Antrodemus valens Piveteau p. 6
1931Antrodemus valens Stromer p. 4
1934Allosaurus fragilis Stromer p. 11
1934Labrosaurus ferox Stromer p. 23
1958Antrodemus valens Young p. 233
1970Antrodemus valens Steel p. 29
1970Dryptosaurus trihedrodon Steel p. 31
1970Epanterias amplexus Steel p. 44
1970Antrodemus valens Swinton p. 148
1974Allosaurus fragilis Molnar p. 1011
1976Allosaurus fragilis Lawson p. 161
1976Allosaurus fragilis Madsen p. 10
1977Allosaurus fragilis Taquet and Welles p. 192
1980Allosaurus fragilis Molnar p. 92
1980Allosaurus fragilis Molnar and Pledge p. 285 fig. 3
1981Allosaurus fragilis Molnar et al. p. 142
1984Allosaurus fragilis Jensen p. 375
1985Allosaurus fragilis Molnar et al. pp. 1511-1512
1986Allosaurus fragilis Gauthier p. 9
1987Allosaurus fragilis Mateer p. 142
1988Allosaurus fragilis Paul p. 309
1988Allosaurus atrox Paul p. 311
1988Allosaurus amplexus Paul p. 312
1991Allosaurus fragilis Bonaparte p. 18
1991Allosaurus fragilis Molnar p. 165
1991Allosaurus fragilis Weishampel et al. p. 209
1992Epanterias amplexus Bakker et al. p. 2
1992Allosaurus fragilis Bakker et al. p. 9
1994Allosaurus fragilis Molnar and Wiffen p. 693
1996Allosaurus fragilis Novas p. 676
1998Allosaurus fragilis Smith p. 126
1999Allosaurus fragilis Knoll et al. p. 105
2000Allosaurus fragilis Foster and Chure p. 8 fig. 3
2003Allosaurus fragilis Rauhut p. 22
2004Allosaurus fragilis Holtz, Jr. et al. p. 75
2004Allosaurus fragilis Senter et al. p. 14 fig. 7
2005Allosaurus fragilis Kobayashi and Barsbold p. 120
2006Allosaurus fragilis Chure et al. p. 236
2006Allosaurus fragilis Malkani p. 8
2006Allosaurus fragilis Martínez and Novas p. 244
2006Allosaurus europaeus Mateus p. 225
2006Allosaurus europaeus Mateus et al. pp. 127-128 fig. 7
2006Allosaurus fragilis Mateus et al. pp. 127-128
2006Allosaurus fragilis Smith and Merrill p. 595
2007Allosaurus fragilis Maganuco et al. p. 268
2007Allosaurus fragilis Malafaia et al. p. 255
2007Allosaurus fragilis Sampson and Witmer p. 33
2007Allosaurus fragilis Smith p. 104
2007Allosaurus fragilis Turner et al. p. 6
2008Allosaurus fragilis Irmis and Knoll p. 121
2008Allosaurus fragilis Watabe et al. p. 35
2009Allosaurus fragilis Bever and Norell p. 21
2009Allosaurus fragilis Wu et al. p. 23
2010Allosaurus fragilis Benson et al. p. 75
2010Allosaurus fragilis Choiniere et al. p. 573 fig. 2B

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