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Leptonectes Temporal range: Late Triassic - Early Jurassic, Rhaetian–Pliensbachian PreꞒ Ꞓ O S D C P T J K Pg N
skeleton of Leptonectes tenuirostris (NHMUK PV R498)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Ichthyosauria
Family:	†Leptonectidae
Genus:	†Leptonectes McGowan, 1996
Species
L. moorei McGowan and Milner, 1999 L. solei (McGowan, 1993) L. tenuirostris (Conybeare, 1822) (type species)
Synonyms
Leptopterygius Huene, 1929

Leptonectes is a genus of ichthyosaur that lived in the Late Triassic to Early Jurassic (Rhaetian - Pliensbachian). Fossils have been found in Belgium, Germany, Spain and the United Kingdom. A possible specimen from Switzerland first reported in 2006, has been reclassified as that of Hauffiopteryx. The type species, L. tenuirostris, reached 4 metres (13 ft) long, while L. moorei reached 3 metres (9.8 ft) long; the largest species, L. solei, was approximately 5–6 metres (16–20 ft) long.

See also

• List of ichthyosaurs
• Timeline of ichthyosaur research

References

1. "Fossilworks: Leptonectes".
2. "Fossilworks: Leptonectes moorei".
3. Maisch MW, Matzke AT. 2000. The Ichthyosauria. Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) 298: 1-159
4. McGowan C, Motani R. 2003. Ichthyopterygia. – In: Sues, H.-D. (ed.): Handbook of Paleoherpetology, Part 8, Verlag Dr. Friedrich Pfeil, 175 pp., 101 figs., 19 plts; München
5. Marta S. Fernández; Laura Piñuela; José Carlos García-Ramos (2018). "First report of Leptonectes (Ichthyosauria: Leptonectidae) from the Lower Jurassic (Pliensbachian) of Asturias, northern Spain". Palaeontologia Electronica. 21 (2): Article number 21.2.29A. doi:10.26879/802. hdl:11336/85063.
6. Maisch MW, Reisdorf AG. 2006. Evidence for the longest stratigraphic range of a post-Triassic Ichthyosaur: a Leptonectes tenuirostris from the Pliensbachian (Lower Jurassic) of Switzerland. Geobios 39: 491-505.
7. Klug, C.; Sivgin, T.; Miedema, F.; Scheffold, B.; Reisdorf, A.G.; Stössel, I.; Maxwell, E.E.; Scheyer, T.M. (2024). "Swiss ichthyosaurs: a review". Swiss Journal of Palaeontology. 143. 31. doi:10.1186/s13358-024-00327-4. PMC 11366730.
8. Michael W. Maisch and Andreas T. Matzke (2000). "The Ichthyosauria" (PDF). Stuttgarter Beiträge zur Naturkunde: Serie B. 298: 1–159. Archived from the original (PDF) on 2011-07-18.
9. Martin, J.E.; Vincent, P.; Suan, G.; Sharpe, T.; Hodges, P.; William, M.; Howells, C.; Fischer, V. (2015). "A Mysterious Giant Ichthyosaur from the Lowermost Jurassic of Wales". Acta Palaeontologica Polonica. 60 (4). Institute of Paleobiology, Polish Academy of Sciences: 837–842. doi:10.4202/app.00062.2014. S2CID 13714078. Supplementary Information

v t e Ichthyosauromorpha
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Subclass: Diapsida Clade: Neodiapsida Sauropsida see Sauropsida Ichthyosauromorpha see below↓
Ichthyosauromorpha Ichthyosauromorpha Baisesaurus Hupehsuchia Eohupehsuchus Nanchangosaurus Hupehsuchidae Hupehsuchus Parahupehsuchinae Eretmorhipis Parahupehsuchus Ichthyosauriformes Omphalosauridae Cartorhynchus Omphalosaurus Sclerocormus Ichthyopterygia Isfjordosaurus? Chaohusaurus Thaisaurus Eoichthyosauria Grippidia Parvinatator Utatsusaurus Grippiidae Gulosaurus Grippia Ichthyosauria see below↓
Ichthyosauria Ichthyosauria Quasianosteosaurus Tholodus? Xinminosaurus? Cymbospondylidae Cymbospondylus Phantomosaurus? Thalattoarchon? Xinminosaurus? Hueneosauria Cymbospondylidae? Mixosauridae Barracudasauroides Contectopalatus Mixosaurus Phalarodon Merriamosauria Besanosaurus Guizhouichthyosaurus Pessopteryx? Wimanius? Shastasauridae Besanosaurus? Guanlingsaurus? Guizhouichthyosaurus? Himalayasaurus? Ichthyotitan? Shastasaurus Shonisaurus? Euichthyosauria Auroroborealia? Californosaurus Callawayia Guizhouichthyosaurus? Mikadocephalus? Shonisaurus? Toretocnemidae? Qianichthyosaurus? Toretocnemus Parvipelvia see below↓ Nomina dubia Barracudasaurus Pachygonosaurus Pessosaurus Sphaerodontes Svalbardosaurus Tibetosaurus
Parvipelvia Parvipelvia Hudsonelpidia Macgowania Neoichthyosauria Dearcmhara Hauffiopteryx Suevoleviathan Temnodontosauroidea? Temnodontosaurus Leptonectidae? Eurhinosaurus? Excalibosaurus? Leptonectes Wahlisaurus? Thunnosauria Ichthyosauridae Ichthyosaurus Malawania? Protoichthyosaurus? Baracromia Chacaicosaurus? Stenopterygiidae Magnipterygius Stenopterygius Ophthalmosauria Argovisaurus Delphinosaurus Macropterygius Ophthalmosauridae Arthropterygius? Gengasaurus? Jabalisaurus Janusaurus? Myobradypterygius Nannopterygius? Palvennia? Thalassodraco? Ophthalmosaurinae Acamptonectes Baptanodon Mollesaurus Ophthalmosaurus Platypterygiidae Acuetzpalin Aegirosaurus Arthropterygius? Athabascasaurus? Brachypterygius Catutosaurus Cryopterygius? Grendelius Janusaurus? Kazakhstanosaurus Keilhauia? Muiscasaurus Palvennia? Parrassaurus Pervushovisaurus Sumpalla Sveltonectes Undorosaurus Platypterygiinae Caypullisaurus Kyhytysuka Leninia Maiaspondylus Platypterygius Plutoniosaurus Simbirskiasaurus Sisteronia
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• Prehistoric life of Europe
• Rhaetian first appearances
• Late Triassic ichthyosaurs
• Early Jurassic ichthyosaurs
• Early Jurassic extinctions
• Ichthyosauromorph genera
• Fossil taxa described in 1822
• Ichthyosaur stubs
• Triassic reptile stubs
• Jurassic reptile stubs