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Argentinonectes

Osteichthyes - Plesiosauria - Elasmosauridae

Taxonomy
Argentinonectes was named by Novas et al. (2026). Its type is Argentinonectes calafatensis.

It was assigned to Weddellonectia by Novas et al. (2026).

Species
A. calafatensis (type species)
Entered
by F. Aspromonte (authorized by E. Vlachos) on 2026-06-02; modified by F. Aspromonte on 2026-06-02

Synonymy list
YearName and author
2026Argentinonectes Novas 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
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPlesiosauroideaWelles 1943
familyElasmosauridaeCope 1869
—Weddellonectia
genusArgentinonectes

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.

G. †Argentinonectes Novas et al. 2026
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†Argentinonectes calafatensis Novas et al. 2026
Diagnosis
ReferenceDiagnosis
F. E. Novas et al. 2026Same as the only species Argentinonectes calafatensis
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:05:48
Modified: 2011-08-12 01:58:15
Source: o = order
Reference: Kiessling 2004

Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0Argentina (Santa Cruz) A. calafatensis (type locality: 181059)