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Protypotherium claudum

Mammalia - Notoungulata - Interatheriidae

Taxonomy
Protypotherium claudum was named by Ameghino (1889) [Fernández et al. (2023) present images and measurements of the specimens (Fig. 8B–D; Supporting Information, Table S2).]. Its type specimen is MACN A 551, a mandible (right mandibular fragment with p2 (alveolus)–p3–m2), and it is a 3D body fossil.

It was synonymized objectively with Protypotherium australe by Tauber (1996).

Synonymy list
YearName and author
1889Protypotherium claudum Ameghino p. 480
1894Protypotherium claudum Ameghino p. 13
2023Protypotherium claudum Fernández et al.

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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
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderNotoungulata
suborderTypotheriaZittel 1892
familyInteratheriidae(Ameghino 1887)
genusProtypotheriumAmeghino 1882
speciesclaudum

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.

†Protypotherium claudum Ameghino 1889
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Diagnosis
ReferenceDiagnosis
M. Fernández et al. 2023Extended diagnosis: Protypotherium claudum differs from Pr. compressidens, Pr. antiquum, Pr. australe, Pr. praerutilum, Pr. columnifer, Pr. minutum, and Pr. colloncurensis by p2–3 without the entoflexid and with the ectoflexid wider and slightly more mesially placed, and p4–m3 with shallower entoflexid; from Pr. australe and Pr. distinctum by having a smaller size; from Pr. compressidens by having relatively wider lower cheek teeth; from Pr. antiquum by the talonid of m3 without labial groove; from Pr. colloncurensis and Pr. columnifer by the talonid of p2–4 subtriangular in outline; and from Pr. columnifer by the talonid of p4 narrower than the trigonid.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:49
Modified: 2009-01-05 19:11:49
Source: o = order, subc = subclass, c = class, subp = subphylum
References: MacFadden et al. 1996, Hendy et al. 2009, Carroll 1988, Lillegraven 1979, Ji et al. 2002

Age range: Santacrucian or 17.50000 to 16.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Santacrucian17.5 - 16.3Argentina (Santa Cruz) Protypotherium claudum (142533 176593)