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Stenonyx

Reptilia - Anchisauripodidae

Taxonomy

Synonyms
Synonymy list
YearName and author
1865Leptonyx Hitchcock p. 8
1898Leptonyx Hitchcock p. 401
1904Stenonyx Lull p. 498
1915Stenonyx Lull p. 205
1917Stenonyx Lull p. 117
1953Stenonyx Lull p. 159
1958Stenonyx Kuhn p. 22
1963Stenonyx Kuhn p. 79
1969Stenonyx Haubold p. 99
1971Stenonyx Haubold p. 68
1974Stenonyx Haubold p. 43
2003Stenonyx Romero Molina et al. p. 24

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
familyAnchisauripodidae
genusStenonyx

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.

G. †Stenonyx Lull 1904
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Invalid names: Leptonyx Hitchcock 1865 [replaced]
Diagnosis
ReferenceDiagnosis
R. S. Lull 1904Bipedal, tridactyl, digitigrade track, very minute. With thick toes and long slender claws and distinct phalangeal pads. Length of limb unknown as the genus is known only from two isolated tracks. There is no tail trace.
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 Hettangian to the top of the Early/Lower Pliensbachian or 201.30000 to 183.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hettangian201.3 - 196.5Poland (Swietokrzyskie) S. sp. (83229)
Late/Upper Hettangian201.3 - 196.5Poland (Swietokrzyskie) S. sp. (28334)
Early/Lower Pliensbachian189.6 - 183.0Denmark (Bornholm) S. sp. (223749)