Genus
Valid Extinct

Arthropterygius

Maxwell 2010

Arthropterygius is a widespread genus of ophthalmosaurid ichthyosaur which existed in Canada, Norway, Russia, and Argentina from the late Jurassic period and possibly to the earliest Cretaceous.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
8
Group
Ichtyosaures
Carnivore nektonic Marine
Arthropterygius
click to enlarge
Cranial remains of Arthropterygius chrisorum CCMGE 17–44/13328 (A–J) and PMO 222.669 (L, M). (A, B) Right postfrontal in ventral (A) and dorsal (B) views. (C) Left lateral view on articulated postfrontal, prefrontal and nasal. (D) Left prefrontal in ventral view. (E, F) Right prefrontal in ventral (E) and dorsal (F) views. (G, H) left nasal in dorsal (G) and ventral (H) views. (I, J) Left jugal in medial (I) and lateral (J) views. (K) Cranial reconstruction, showing the depicted elements (colored). (L, M) oblique dorsal view and interpretation of sutures of the skull roof of PMO 222.669. Abbreviations: ffr, facet for the frontal; fnas, facet of the nasal; fpo, facet for the postorbital; fpref, facet for the prefrontal; fqj, facet for the quadratojugal; fsut, facet for the supratemporal; lw, lateral wing of the nasal lamella; nas, nasal; par, parietal; pf, parietal foramen; pref, prefrontal; sut, supratemporal. Both scale bars represent 10 cm. © Nikolay G. Zverkov, Natalya E. Prilepskaya · CC BY 4.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Ichthyosauria Unranked clade
›
Baracromia Unranked clade
›
Ophthalmosauridae Family
›
Arthropterygius Genus
Measurements
Length
4,5 m ⓘ
Fossil sites 8 geolocated sites
Distribution
Top countries
🇨🇦 Canada
2
🇦🇷 Argentina
2
🇳🇴 Norway
2
🇷🇺 Russia
2
Geological formations
Ringnes
2
Vaca Muerta
2
Agardhfjellet
2
Paromes
1
Temporal distribution
Tithonian (149.2–143.1 Ma)
6
Oxfordian (161.5–154.8 Ma)
2
Species (5)
Arthropterygius chrisorum 162 Ma
Arthropterygius hoybergeti 149 Ma
Arthropterygius lundi 149 Ma
Arthropterygius thalassonotus 149 Ma
Arthropterygius volgensis 149 Ma
Images 1
Bibliography
Original description
E. E. Maxwell. 2010. Generic reassignment of an ichthyosaur from the Queen Elizabeth Islands, Northwest Territories, Canada. Journal of Vertebrate Paleontology 30(2):403-415 DOI ↗
Bibliography (7)
L. Campos, M. S. Fernandez, and Y. Herrera. 2020. A new ichthyosaur from the Late Jurassic of northwest Patagonia (Argentina) and its significance for the evolution of the narial complex of the ophthalmosaurids. Zoological Journal of the Linnean Society 188:180-201 DOI ↗
N. G. Zverkov and N. E. Prilepskaya. 2019. A prevalence of Arthropterygius (Ichthyosauria: Ophthalmosauridae) in the Late Jurassic—earliest Cretaceous of the Boreal Realm. PeerJ 7:e6799 DOI ↗
A. J. Robert, P. S. Druckenmiller, and G. -P. Saetre, J. H. Hurum. 2014. A new Upper Jurassic ophthalmosaurid ichthyosaur from the Slottsmøya Member, Agardhfjellet Formation of central Spitsbergen. PLoS One 9(8):1-24 DOI ↗
P. S. Druckenmiller, J. H. Hurum, and E. M. Knutsen, H. A. Nakrem. 2012. Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway. Norwegian Journal of Geology 92:311-339
M. S. Fernandez and E. E. Maxwell. 2012. The genus Arthropterygius Maxwell (Ichthyosauria: Ophthalmosauridae) in the Late Jurassic of the Neuquen Basin, Argentina. Geobios 45:535-540 DOI ↗
E. E. Maxwell. 2010. Generic reassignment of an ichthyosaur from the Queen Elizabeth Islands, Northwest Territories, Canada. Journal of Vertebrate Paleontology 30(2):403-415 DOI ↗
D. A. Russell. 1993. Jurassic marine reptiles from Cape Grassy, Melville Island, Arctic Canada. Geological Survey of Canada Bulletin 450:195-201 DOI ↗