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Plesiornis

Reptilia

Taxonomy
Plesiornis was named by Hitchcock (1858).

It was synonymized subjectively with Anomoepus by Olsen (1986).

It was assigned to Dinosauria by Hitchcock (1898) and Lull (1904); to Reptilia by Lull (1917); to Coelurosauria by Kuhn (1958); to Selenichnidae by Lull (1953) and Kuhn (1963); and to Saurischia by Haubold (1971) and Haubold (1974).

Species
P. pilulatus

Synonymy list
YearName and author
1858Plesiornis Hitchcock p. 102
1898Plesiornis Hitchcock p. 401
1904Plesiornis Lull p. 521
1917Plesiornis Lull p. 121
1953Plesiornis Lull p. 162
1958Plesiornis Kuhn p. 22
1963Plesiornis Kuhn p. 82
1971Plesiornis Haubold p. 81
1974Plesiornis Haubold p. 46

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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
RankNameAuthor
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
genusPlesiornisHitchcock 1858

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. †Plesiornis Hitchcock 1858
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†Plesiornis pilulatus Hitchcock 1858
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009

Age range: base of the Norian to the top of the Hettangian or 228.00000 to 199.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Norian228.0 - 208.5USA (Virginia) P. pilulatus (154230)
Hettangian201.3 - 199.3USA (Massachusetts) P. pilulatus (52986)
Late/Upper Hettangian201.3 - 196.5Poland (Swietokrzyskie) P. pilulatus (28334)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) P. pilulatus (53028)
Hettangian - Sinemurian201.3 - 190.8USA (Connecticut) P. sp. (53000)