Leptonectidae

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Ordo: †Ichthyosauria
Family: Leptonectidae
Genera: Excalibosaurus – Leptonectes – Eurhinosaurus – Temnodontosaurus
Vernacular names
日本語: レプトネクテス科
中文: 蛇嘴魚龍科

Leptonectidae is a family of ichthyosaurs known from Late Triassic to Early Jurassic marine deposits in Europe. They were all small to medium-sized creatures, most noted for their very long, swordfish-like snouts, which could have been used like a weapon, slashing through schools of fish.[1]

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References

McGowan and Motani, 2003. Handbook of Paleoherpetology: Ichthyopterygia, Part 8. 175 pp.