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Aristonectinae
 | It has been suggested that this article be merged with Aristonectidae to Elasmosauridae. (Discuss) Proposed since January 2025. |
| Aristonectinae | |
|---|---|
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| Life restoration of Aristonectes parvidens | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Elasmosauridae |
| Clade: | †Weddellonectia |
| Subfamily: | †Aristonectinae Otero et al., 2012 |
| Genera | |
Aristonectinae is a subfamily of plesiosaurs in the family Elasmosauridae. It includes the Late Cretaceous plesiosaurs Aristonectes and Kaiwhekea, traditionally grouped with the Late Jurassic Tatenectes and Kimmerosaurus in the family Aristonectidae. They are distinguished by the fact that they have a very enlarged skull compared to the width of the body, a moderately short neck and more than 25 teeth in the maxilla.[1]
- ^ Rodrigo A. Otero; Sergio Soto-Acuña; David Rubilar-Rogers (2012). "A postcranial skeleton of an elasmosaurid plesiosaur from the Maastrichtian of central Chile, with comments on the affinities of Late Cretaceous plesiosauroids from the Weddellian Biogeographic Province". Cretaceous Research. 37: 89–99. Bibcode:2012CrRes..37...89O. doi:10.1016/j.cretres.2012.03.010. S2CID 129841690.
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