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Eternauta patagonica

Osteichthyes - Ophthalmosauridae

Taxonomy
Eternauta patagonica was named by Campos et al. (2025). Its type specimen is MLP-PV 85-I-15–1, a partial skeleton (Skull, teeth, a forelimb, and rib fragments), and it is a 3D body fossil. Its type locality is Chacay Melelhue, which is in a Tithonian marine horizon in the Vaca Muerta Formation of Argentina. It is the type species of Eternauta.

Entered
by F. Aspromonte (authorized by E. Vlachos) on 2026-05-14; modified by F. Aspromonte on 2026-05-13

Synonymy list
YearName and author
2025Eternauta patagonica Campos et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
RankNameAuthor
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Ichthyosauromorpha
—Ichthyosauriformes
—Ichthyopterygia(Owen 1840)
—Eoichthyosauria
—Ichthyosauria(de Blainville 1835)
—Baracromia
familyOphthalmosauridaeAndrews 1910
subfamilyPlatypterygiinaeArkhangelsky 2001
genusEternauta
speciespatagonica

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.

†Eternauta patagonica Campos et al. 2025
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:07:40
Modified: 2010-02-23 00:20:57
Source: o = order
Reference: Kiessling 2004

Age range: Late/Upper Tithonian or 145.06000 to 143.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Tithonian145.06 - 143.1Argentina (Neuquén) Caypullisaurus bonapartei (type locality: 122660)