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Saurophaganax maximus

Reptilia - Allosauridae

Taxonomy
Saurophaganax maximus was named by Chure (1995). It is not extant. Its type specimen is OMNH 01123. Its type locality is Stovall's Pit 1, Kenton (OMNH V92), which is in a Kimmeridgian/Tithonian wet floodplain mudstone/sandstone in the Morrison Formation of Oklahoma. It is the type species of Saurophaganax.

It was recombined as Allosaurus maximus by Smith (1998), Smith (1998), Rauhut (2003); it was considered a nomen dubium by Danison et al. (2024).

Synonymy list
YearName and author
1995Saurophaganax maximus Chure p. 106 figs. 1-2
1998Allosaurus maximus Smith p. 126
2000Saurophaganax maximus Chure p. 2
2003Allosaurus maximus Rauhut p. 22
2004Saurophaganax maximus Holtz, Jr. et al. p. 75
2006Saurophaganax maximus Chure et al. p. 236
2006Saurophaganax maximus Hunt and Lucas p. 117
2006Saurophaganax maximus Mateus p. 231
2011Saurophaganax maximus Hone et al. p. 502
2012Saurophaganax maximus Carrano et al. pp. 240-241
2012Saurophaganax maximus Decker p. 17
2014Saurophaganax maximus Cobos et al. p. 39
2014Saurophaganax maximus Dalman p. 174

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
superfamilyAllosauroidea
—Allosauria()
familyAllosauridae
genusSaurophaganax
speciesmaximus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Saurophaganax maximus Chure 1995
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Diagnosis
ReferenceDiagnosis
M. T. Carrano et al. 2012Allosauroid with: (1) atlas lacking prezygapophyses for proatlas; and (2) accessory horizontal lamina at base of dorsal vertebral neural spines, located dorsal and parallel to transverse process (all from Chure 1995).
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:08
Modified: 2004-12-14 14:50:08
Source: o = order
Reference: Marsh 1875

Age range: base of the Late/Upper Kimmeridgian to the top of the Tithonian or 152.21000 to 143.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Kimmeridgian - Tithonian152.21 - 143.1USA (Oklahoma) Saurophaganax maximus (type locality: 49338)