Species
Valid Extinct

Kawanectes lafquenianus

(Gasparini and Goni 1985)

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
4
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Classification
Sauropterygia Suborder
Plesiosauria Order
Plesiosauroidea Superfamily
Elasmosauridae Family
Weddellonectia Unranked clade
Kawanectes Genus
Kawanectes lafquenianus Species
Fossil sites 4 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
4
Geological formations
La Colonia
3
Allen
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
4
Bibliography
Original description
J. P. O’Gorman, G. Matelo Mirco, and F. R. Aspromonte. 2026. Cranial anatomy of Kawanectes lafquenianus (Plesiosauria; Elasmosauridae) from La Colonia Formation with comments on the paleobiogeography of the weddellonectians. Journal of Vertebrate Paleontology DOI ↗
Bibliography (4)
J. P. O’Gorman, G. Matelo Mirco, and F. R. Aspromonte. 2026. Cranial anatomy of Kawanectes lafquenianus (Plesiosauria; Elasmosauridae) from La Colonia Formation with comments on the paleobiogeography of the weddellonectians. Journal of Vertebrate Paleontology DOI ↗
J. P. O'Gorman. 2021. The most complete specimen of Kawanectes lafquenianum (Sauropterygia, Plesiosauria): new data on basicranial anatomy and possible sexual dimorphism in elasmosaurids. Cretaceous Research 125(104836):1-19 DOI ↗
J. P. O'Gorman. 2020. First record of Kawanectes lafquenianum (Plesiosauria, Elasmosauridae) from the La Colonia Formation of Argentina, with comments on the mandibular morphology of elasmosaurids. Alcheringa 44(1):176-193 DOI ↗
J. P. O'Gorman. 2016. A small body sized non-aristonectine elasmosaurid (Sauropterygia, Plesiosauria) from the Late Cretaceous of Patagonia with comments on the relationships of the patagonian and antarctic elasmosaurids. Ameghiniana 53(3):245-268 DOI ↗