Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Xenungulata

Osteichthyes - Xenungulata

Taxonomy
Xenungulata was named by Paula Couto (1952).

It was assigned to Meridiungulata by McKenna (1975); to Uintatheriamorpha by Schoch and Lucas (1985); to Eutheria by Carroll (1988); and to Sudamericungulata by Avilla and Mothé (2021).

Subtaxa
Carodniidae, Etayoa, Etayoidae, Notoetayoa
Entered
by J. Alroy on 2003-01-23; modified by P. Mannion on 2013-10-27

Synonymy list
YearName and author
1952Xenungulata Paula Couto
1975Xenungulata McKenna p. 43
1985Xenungulata Schoch and Lucas p. 45
1988Xenungulata Carroll
2021Xenungulata Avilla and Mothé

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
superorderAfrotheria
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderXenungulata
orderXenungulata

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.

Or. †Xenungulata Paula Couto 1952
show all | hide all
Fm. †Carodniidae Paula Couto 1952
hide
G. †Carodnia Simpson 1935
hide
†Carodnia feruglioi Simpson 1935
+
Invalid names: Ctalecarodnia cabrerai Simpson 1935 [synonym]
†Carodnia inexpectans Antoine et al. 2015
†Carodnia karuen Gelfo et al. 2024
†Carodnia vieirai Paula Couto 1952
Invalid names: Ctalecarodnia Simpson 1935 [synonym]
G. †Rodcania Gelfo et al. 2020
hide
†Rodcania kakan Gelfo et al. 2020
G. †Etayoa Villarroel 1987
hide
†Etayoa bacatensis Villarroel 1987
G. †Notoetayoa Gelfo et al. 2008
hide
†Notoetayoa gargantuai Gelfo et al. 2008
Invalid names: Etayoidae Villarroel 1987 [empty]
Diagnosis
ReferenceDiagnosis
R. M. Schoch and S. G. Lucas 1985Uintatheriamorphs with extremely enlarged P2/2; M1- 2/ fully bilophodont; M3/ with hypoconal ridge; M/3 lacks distinct para­ conid; M/1-3 bear postcingulids (Node 4).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: insectivoresubc
Reproduction: viviparoussubc
Created: 2005-09-06 20:43:42
Modified: 2005-09-06 22:44:32
Source: subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Lillegraven 1979

Age range: base of the Danian to the top of the Early/Lower Eocene or 66.00000 to 48.07000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Danian66.0 - 61.66Argentina (Chubut) Carodnia feruglioi (235708) Carodnia karuen (13782) Notoetayoa gargantuai, Carodnia feruglioi (79348)
Middle Paleocene - Late/Upper Paleocene61.66 - 56.0Colombia (Bogotá) Etayoa bacatensis (140910)
Late/Upper Paleocene59.24 - 56.0Argentina (Tucumán) Xenungulata indet. (41607)
Early/Lower Eocene56.0 - 48.07Peru (Tumbes) Carodnia inexpectans (175594)
Early/Lower Eocene56.0 - 48.07Brazil (Rio de Janeiro) Carodnia vieirai (118314)
Ypresian56.0 - 48.07Argentina (Chubut) Carodnia feruglioi, Ctalecarodnia cabrerai (13780)
Ypresian - Lutetian56.0 - 41.03Argentina (Chubut) Notoetayoa gargantuai (235709)