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Plesiornis pilulatus

Reptilia

Taxonomy
Plesiornis pilulatus was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is AC 13/1, a footprint, and it is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts.

Synonymy list
YearName and author
1858Plesiornis pilulatus Hitchcock p. 103 figs. Pls. 17, 36
1865Plesiornis pilulatus Hitchcock p. 35
1871Plesiornis pilulatus Hitchcock p. xxi
1889Plesiornis pilulatus Hitchcock p. 118
1894Plesiornis pilulatus Lyman p. 206
1902Plesiornis pilulatus Hay p. 550
1904Plesiornis pilulatus Lull pp. 521-522
1917Plesiornis pilulatus Lull p. 121
1930Plesiornis pilulatus Hay p. 19
1953Plesiornis pilulatus Lull pp. 162-163
1963Plesiornis pilulatus Kuhn p. 82
1971Plesiornis pilulatus Haubold p. 81
1974Plesiornis pilulatus Haubold p. 131
1984Plesiornis pilulatus Thulborn and Wade p. 449
1999Plesiornis pilulatus Gierlinski and Pienkowski p. 336

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

†Plesiornis pilulatus Hitchcock 1858
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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 227.30000 to 199.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Norian227.3 - 205.7USA (Virginia) Plesiornis pilulatus (154230)
Hettangian201.4 - 199.5USA (Massachusetts) Plesiornis pilulatus (type locality: 52986)
Late/Upper Hettangian201.4 - 199.5Poland (Swietokrzyskie) Plesiornis pilulatus (28334)
Hettangian - Sinemurian201.4 - 192.9USA (Massachusetts) Plesiornis pilulatus (53028)