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Placerias

Anomodontia - Stahleckeriidae

Taxonomy
Placerias was named by Lucas (1904). Its type is Placerias hesternus. It is the type genus of Placeriinae.

It was assigned to Dicynodontidae by Hay (1930); to Placeriini by King (1988); to Kannemeyeriidae by Cox (1965), Carroll (1988) and Long and Murry (1995); and to Placeriinae by Kammerer et al. (2013).

Species
P. hesternus (syn. P. gigas) (type species)

Synonyms
Synonymy list
YearName and author
1904Placerias Lucas p. 194
1930Placerias Hay p. 63
1965Placerias Cox
1988Placerias Carroll
1988Placerias King
1989Azarifeneria Dutuit
1995Placerias Long and Murry p. 199
2013Placerias Kammerer et al. p. 11

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
orderAnomodontiaOwen 1859
orderDicynodontia()
familyStahleckeriidaeCox 1965
subfamilyPlaceriinaeKing 1988
genusPlacerias

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. †Placerias Lucas 1904
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†Placerias hesternus Lucas 1904
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Invalid names: Placerias gigas Camp and Welles 1956 [synonym]
Invalid names: Azarifeneria Dutuit 1989 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Diet: herbivoreg
Created: 2009-01-03 21:08:42
Modified: 2009-01-03 23:08:42
Source: g = genus, c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988, Benton 1983

Age range: base of the Carnian to the top of the Norian or 237.00000 to 208.50000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0USA (North Carolina) P. gigas (46567) P. hesternus (93614)
Norian228.0 - 208.5USA (Arizona) P. gigas (39160) P. hesternus (93500 93541 93544) P. sp. (52499 84264 92322 92821 93117 93118 93127)