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Ictidosauria

Taxonomy
Ictidosauria was named by Broom (1929). It is not extant.

It was reranked as the unranked clade Ictidosauria by Martinelli and Rougier (2007).

It was assigned to Theromorpha by Kuhn (1946); to Therapsida by Huene (1954); and to Probainognathia by Martinelli and Rougier (2007).

Synonymy list
YearName and author
1929Ictidosauria Broom
1946Ictidosauria Kuhn p. 57
1954Ictidosauria Huene p. 35
2007Ictidosauria Martinelli and Rougier

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Ictidosauria(Broom 1929)
Ictidosauria(Broom 1929)

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.

Unr. †Ictidosauria Broom 1929
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G. †Trithelodon Broom 1930
Invalid names: Ictidosauridae [empty]
Diagnosis
ReferenceDiagnosis
A. G. Martinelli and G. W. Rougier 2007The clade including the most recent common ancestor of Riograndia guaibaensis and Pachygenelus monus, and all its descendants.

Diagnosis—Derived non-mammaliaform cynodonts with i1 and I2 larger than the remaining incisors; posterior border of the incisive foramen formed by the premaxilla; palatine longer than the maxilla in bony secondary palate.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: Rhaetian or 208.50000 to 201.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rhaetian208.5 - 201.3Germany (Baden-Württemberg) Ictidosauria indet. (131422)