Opallionectes
taxon
genre fossile de plésiosaures
Propriétés
- nom_scientifique
- Opallionectes
- p171_chain
- Plesiosauroidea → Neoplesiosauria → Plesiosauria → Pistosauria → Sauropterygia → Lepidosauromorpha → Sauria → Neodiapsida → Diapsida → Romeriida → Eureptilia → Reptiles → Sauropsida → Amniota → Reptiliomorpha → Tetrapoda → Stegocephalia → Elpistostegalia → Eotetrapodiformes → Tetrapodomorpha → Rhipidistia → Sarcopterygii → Euteleostomi → Teleostomi → Gnathostomata → Vertébrés → Chordata → Deuterostomia → Nephrozoa → Bilateria → Eumetazoa → Animal → Choanozoa → Filozoa → Holozoa → Opisthokonta → Eukaryota → Biota