Alexandronectes

Alexandronectes is a genus of elasmosaurid plesiosaur, a type of long-necked marine reptile, that lived in the oceans of Late Cretaceous New Zealand. It contains one species, A. zealandiensis.[1] Fossils of Alexandronectes were found in the Conway Formation of Canterbury.[2]

Alexandronectes
Temporal range: Campanian, 72 Ma
↓
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: †Sauropterygia
Order: †Plesiosauria
Family: †Elasmosauridae
Genus: †Alexandronectes
Otero et al., 2016
Species:
†A. zealandiensis
Binomial name
†Alexandronectes zealandiensis
Otero et al., 2016

Description

Alexandronectes belongs to the elasmosaurid subfamily Aristonectinae based on the pterygoid structure and an A-shaped squamosal arch. However, it differs from other aristonectines in its smaller skull, different paroccipital processes, and different mandibular glenoid.[1]

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References
  1. Otero, Rodrigo A.; O'Gorman, José P.; Hiller, Norton; O'Keefe, F. Robin; Fordyce, R. Ewan (2016). "Alexandronectes zealandiensis gen. et sp. nov., a new aristonectine plesiosaur from the lower Maastrichtian of New Zealand". Journal of Vertebrate Paleontology. 36 (2): e1054494. doi:10.1080/02724634.2015.1054494.
  2. Waipara River, M34/f1073 at Fossilworks.org
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