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Maddenia lapidaria

Mammalia - Astrapotheria - Astrapotheriidae

Taxonomy
Maddenia lapidaria was named by Kramarz and Bond (2009). Its type specimen is MPEF-PV 7735, a maxilla (maxillary fragment with right P3-M3, left M3, associated right P2 and left P3, probably associated partial upper canine), and it is a 3D body fossil. Its type locality is La Cantera, which is in a Rupelian terrestrial horizon in the Sarmiento Formation of Argentina. It is the type species of Maddenia.

Synonymy list
YearName and author
2009Maddenia lapidaria Kramarz and Bond p. 118

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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
PaenungulataSimpson 1945
Sudamericungulata
orderAstrapotheria
familyAstrapotheriidaeAmeghino 1887
genusMaddenia
specieslapidaria

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.

Maddenia lapidaria Kramarz and Bond 2009
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:22
Modified: 2009-01-05 19:11:22
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, MacFadden et al. 1996, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009

Age range: Rupelian or 33.90000 to 28.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rupelian33.9 - 28.1Argentina (Chubut) Maddenia lapidaria (type locality: 176201)