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Plagiaulax becklesii

Mammalia - Multituberculata - Plagiaulacidae

Taxonomy
Plagiaulax becklesii was named by Falconer (1857). Its type specimen is BMNH 47731, a mandible (partial right mandible), and it is a 3D body fossil. Its type locality is Mammal Bed, Durlston Bay (DB83), which is in a Berriasian marine horizon in the Lulworth Formation of the United Kingdom. It is the type species of Plagiaulax.

Synonyms
Synonymy list
YearName and author
1857Plagiaulax becklesii Falconer
1859Plagiaulax becclesii Owen p. 161
1871Plagiaulax medius Owen p. 84
1902Plagiaulax becklesii Hay p. 558
1928Plagiaulax becklesii Simpson p. 33 figs. Pl. 2, figs 5-6; pl. 3, figs 1-2; text-fig. 9
1930Plagiaulax becklesii Hay p. 377
1971Plagiaulax becklesii Hahn p. 35
1979Plagiaulax becklesii Clemens and Kielan-Jaworowska p. 101
2004Plagiaulax becklesii Kielan-Jaworowska et al. pp. 254, 316

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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
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderPlagiaulacida(Ameghino 1889)
familyPlagiaulacidaeGill 1872
genusPlagiaulaxFalconer 1857
speciesbecklesiiFalconer 1857

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.

†Plagiaulax becklesii Falconer 1857
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Invalid names: Plagiaulax medius Owen 1871 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: arborealo
Diet: herbivoreo
Created: 2005-09-01 17:42:57
Modified: 2005-09-01 19:42:57
Source: o = order, c = class, subp = subphylum
References: Hopson 1973, Hendy et al. 2009, Carroll 1988, Jenkins and Krause 1983

Age range: Middle Berriasian or 141.00000 to 139.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Berriasian141.0 - 139.1United Kingdom (England) Plagiaulax becklesii, Plagiaulax medius (type locality: 72142)