Leivanectes

Leivanectes Temporal range: Late Aptian ~115–112 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	†Sauropterygia
Order:	†Plesiosauria
Family:	†Elasmosauridae
Genus:	†Leivanectes Páramo Fonseca et al., 2019
Species:	†L. bernardoi
Binomial name
†Leivanectes bernardoi Páramo Fonseca et al., 2019

Leivanectes is a genus of plesiosaurs of the family Elasmosauridae known from Late Aptian marine deposits in central Colombia. It contains a single species, L. bernadoi, which was described in 2019.

Description

Leivanectes differs from Callawayasaurus, which has been found in the same formation, in having fewer mandibular alveoli and a short mandibular symphysis with three alveoli (5 in Callawayasaurus).^[1]

Distribution

Leivanectes remains have been found in the fossiliferous Paja Formation of the Altiplano Cundiboyacense, which crops out near Villa de Leyva, also written as Villa de Leiva, Boyaca, Colombia. The genus name refers to Villa de Leiva.^[1]

See also

• List of plesiosaur genera
• Timeline of plesiosaur research

References

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Sauropterygia

Kingdom: Animalia Phylum: Chordata Class: Sauropsida Subclass: Diapsida Clade: Neodiapsida
Sauropsida see Sauropsida Sauropterygia see below↓

Sauropterygia
Sauropterygia Alexeyisaurus Hanosaurus Pomolispondylus Helveticosauridae? Saurosphargidae? Thalattosauria? Placodontiformes Atopodentatus? Palatodonta Placodontia Paraplacodus Pararcus Placodus Cyamodontoidea Psephosauriscus Psephosaurus Cyamodontida Cyamodus Sinocyamodus Placochelyida Protenodontosaurus Henodontidae Henodus Parahenodus Placochelyidae Glyphoderma Macroplacus Placochelys Psephochelys Psephoderma Eosauropterygia see below↓

Eosauropterygia
Eosauropterygia Pachypleurosauria/Pachypleurosauridae Anarosaurus Chusaurus Dactylosaurus Diandongosaurus Dianmeisaurus Dianopachysaurus Hanosaurus? Honghesaurus Keichousaurus Luopingosaurus Majiashanosaurus Neusticosaurus Odoiporosaurus Prosantosaurus Panzhousaurus Qianxisaurus Serpianosaurus Wumengosaurus Eusauropterygia Corosaurus Cymatosaurus Pachypleurosauria? Nothosauroidea Dawazisaurus? Sanchiaosaurus Pachypleurosauria? Nothosauria Brevicaudosaurus Hispaniasaurus? Simosauridae Paludidraco Simosaurus Nothosauridae Germanosaurus Metanothosaurus Nothosaurus Proneusticosaurus Lariosaurinae Ceresiosaurus Lariosaurus Silvestrosaurus Pistosauroidea Chinchenia Kwangsisaurus Tanaisosaurus Wangosaurus Pistosauria Augustasaurus Bobosaurus Pistosaurus Yunguisaurus Plesiosauria see below↓

Plesiosauria
Plesiosauria Anningasaura Bobosaurus? Lindwurmia Termatosaurus? Rhomaleosauridae Anningasaura? Archaeonectrus Atychodracon Avalonnectes Bishanopliosaurus? Borealonectes Eurycleidus Lindwurmia? Macroplata Maresaurus Meyerasaurus Rhomaleosaurus Sthenarosaurus Thaumatodracon Yuzhoupliosaurus? Neoplesiosauria Pliosauroidea Bathyspondylus Sinopliosaurus Rhomaleosauridae? Eupliosauria Stratesaurus Pliosauridae Anguanax Arminisaurus Attenborosaurus Cryonectes Hauffiosaurus Marmornectes Pachycostasaurus Rhaeticosaurus Thalassiodracon Thalassophonea Eardasaurus Gallardosaurus Liopleurodon Lorrainosaurus Megalneusaurus Peloneustes "Pliosaurus" andrewsi Pliosaurus Simolestes Brachaucheninae Acostasaurus Brachauchenius Eiectus Kronosaurus Luskhan Makhaira Megacephalosaurus Monquirasaurus Polyptychodon Sachicasaurus Stenorhynchosaurus Plesiosauroidea Eoplesiosaurus Eretmosaurus Franconiasaurus Leurospondylus Plesiopharos Plesiopterys Plesiosaurus Westphaliasaurus Microcleididae Hydrorion Lusonectes Microcleidus Occitanosaurus Seeleyosaurus Cryptoclidia see below↓

Cryptoclidia
Cryptoclididae Opallionectes Colymbosaurinae Abyssosaurus Colymbosaurus Djupedalia Pantosaurus Spitrasaurus Cryptoclidinae Cryptoclidus Kimmerosaurus Ophthalmothule Tatenectes Muraenosaurinae Muraenosaurus Picrocleidus Tricleidus? Vinialesaurus Xenopsaria Leptocleidia Hastanectes? Nichollssaura? Leptocleididae Brancasaurus Hastanectes? Leptocleidus Nichollssaura? Umoonasaurus? Vectocleidus Polycotylidae Edgarosaurus Manemergus Thililua Palmulasaurinae Pahasapasaurus? Palmulasaurus Occultonectia Plesiopleurodon Sulcusuchus Polycotylinae Eopolycotylus Georgiasaurus Mauriciosaurus Polycotylus Scalamagnus Serpentisuchops Trinacromerum Dolichorhynchia Dolichorhynchops Martinectes Unktaheela Elasmosauridae Callawayasaurus Cimoliasaurus Eromangasaurus Goniosaurus Jucha Lagenanectes Leivanectes Mauisaurus Ogmodirus Orophosaurus Plesioelasmosaurus Scanisaurus Wapuskanectes Woolungasaurus Euelasmosaurida Cardiocorax Libonectes Thalassomedon Elasmosaurinae Albertonectes Elasmosaurus Fluvionectes Hydrotherosaurus? Nakonanectes Styxosaurus Terminonatator Weddellonectia Aphrosaurus Chubutinectes Futabasaurus Fresnosaurus? Hydrotherosaurus? Kawanectes Marambionectes Morenosaurus Tuarangisaurus Vegasaurus Zarafasaura? Aristonectinae Alexandronectes Aristonectes Kaiwhekea Morturneria Wunyelfia