List of marine reptiles

Following is a list of marine reptiles, reptiles which are adapted to life in marine or brackish environments.

Extant
The following marine reptiles are species which are currently extant or recently extinct.

Crocodiles

 * Crocodylus
 * Crocodylus acutus (American crocodile)
 * Crocodylus porosus (Saltwater crocodile)

Lizards

 * Iguanidae
 * Amblyrhynchus
 * Amblyrhynchus cristatus (Marine iguana)
 * Varanidae
 * Varanus
 * Varanus indicus (Mangrove monitor)

Snakes

 * Acrochordidae (Filesnakes)
 * Acrochordus
 * Acrochordus arafurae (Arafura filesnake)
 * Acrochordus granulatus (Little filesnake)
 * Acrochordus javanicus (Javan file snake)
 * Dipsadinae
 * Farancia
 * Farancia abacura (Mud snake)
 * Farancia erythrogrammus (Rainbow snake)
 * Helicops
 * Helicops angulatus (Brown-banded water snake)
 * Helicops infrataeniatus
 * Helicops scalaris
 * Hydrops
 * Hydrops triangularis
 * Leptodeira
 * Leptodeira rubricata (Costa Rican cat-eyed snake)
 * Pseudoeryx
 * Pseudoeryx relictualis
 * Tretanorhinus
 * Tretanorhinus nigroluteus
 * Tretanorhinus variabilis
 * Grayiinae
 * Grayia
 * Grayia smythii (Smith's African water snake)
 * Homalopsidae (Bockadams)
 * Bitia hydroides (Keel-bellied water snake)
 * Cantoria violacea (Cantor's water snake)
 * Cerberus (Dog-faced water snakes)
 * Cerberus australis
 * Cerberus dunsoni
 * Cerberus microlepis
 * Cerberus rynchops
 * Cerberus schneiderii
 * Djokoiskandarus annulata (Banded water snake)
 * Myrrophis
 * Myrrophis bennettii (Bennett's mud snake)
 * Fordonia leucobalia (White-bellied mangrove snake)
 * Myron
 * Myron karnsi
 * Myron resetari
 * Myron richardsonii 
 * Hydrophiinae (Sea snakes)
 * Aipysurus
 * Aipysurus eydouxii (Spine-tailed sea snake)
 * Aipysurus laevis (Olive sea snake)
 * Astrotia stokesii (Stoke's sea snake)
 * Disteira
 * Disteira major (Olive-headed or greater sea snake)
 * Disteira nigrocincta
 * Disteira walli (Wall's sea snake)
 * Enhydrina schistosa (Beaked sea snake, hook-nosed sea snake, common sea snake, Valakadyn sea snake)
 * Enhydrina zweifeli  (Sepik or Zweifel’s beaked seasnake)
 * Hydrophis
 * Hydrophis belcheri (Faint-banded sea snake, Belcher's sea snake)
 * Hydrophis bituberculatus (Peters' sea snake)
 * Hydrophis brooki
 * Hydrophis caerulescens (Dwarf sea snake)
 * Hydrophis cantoris
 * Hydrophis cyanocinctus (Annulated sea snake, blue-banded sea snake)
 * Hydrophis fasciatus (Striped sea snake)
 * Hydrophis gracilis (Graceful small-headed sea snake, slender sea snake)
 * Hydrophis inornatus (Plain sea snake)
 * Hydrophis klossi (Kloss' sea snake)
 * Hydrophis lapemoides (Persian Gulf sea snake)
 * Hydrophis mamillaris (Bombay sea snake)
 * Hydrophis melanocephalus (Slender-necked sea snake)
 * Hydrophis obscurus (Russell's sea snake)
 * Hydrophis ornatus (Ornate reef sea snake)
 * Hydrophis semperi (Garman's sea snake)
 * Hydrophis spiralis (Yellow sea snake)
 * Hydrophis stricticollis (Collared sea snake)
 * Hydrophis viperinus
 * Kerilia jerdonii (Jerdon's sea snake)
 * Kolpophis annandalei (Bighead sea snake)
 * Lapemis
 * Lapemis curtus (Shaw's sea snake)
 * Lapemis hardwickii (Hardwicke's spine-bellied sea snake)
 * Laticauda
 * Laticauda colubrina (Colubrine sea krait, yellow-lipped sea krait)
 * Laticauda laticaudata (Blue-lipped sea krait)
 * Pelamis platurus (Yellowbelly sea snake, pelagic sea snake)
 * Thalassophis
 * Thalassophis anomalus (Anomalous sea snake)

Sea turtles

 * Dermochelyidae
 * Dermochelys coriacea (leatherback sea turtle)


 * Cheloniidae
 * Caretta caretta (Loggerhead sea turtle)
 * Lepidochelys kempii (Kemp's ridley)
 * Lepidochelys olivacea (Olive ridley)
 * Chelonia mydas (Green sea turtle)
 * Eretmochelys imbricata (Hawksbill sea turtle)
 * Natator depressus (Flatback sea turtle)

Extinct
From the Permian to the present day there have been numerous groups of extinct reptiles that adapted to life in the marine realm:

Mesosaurs

 * Mesosauridae: Early Permian
 * Stereosternum
 * Mesosaurus

Phytosaurs

 * Pseudopalatinae: Late Triassic
 * Mystriosuchus

Squamates

 * Dolichosauridae: Late Cretaceous
 * Adriosaurus
 * Dolichosaurus
 * Judeasaurus


 * Mosasauroidea
 * Aigialosauridae
 * Opetiosaurus
 * Aigialosaurus
 * Portunatasaurus
 * Mosasauridae
 * Kaganaias
 * Mosasaurinae
 * Carinodens
 * Clidastes
 * Dallasaurus
 * Globidens
 * Kaikaifilu
 * Mosasaurus
 * Plotosaurus
 * Prognathodon
 * Thalassotitan
 * Halisaurinae
 * Eonatator
 * Halisaurus
 * Tylosaurinae
 * Hainosaurus
 * Tylosaurus
 * Taniwhasaurus
 * Plioplatecarpinae
 * Platecarpus
 * Plioplatecarpus
 * Selmasaurus


 * Ophidia
 * Simoliophiidae: Late Cretaceous
 * Eupodophis
 * Haasiophis
 * Pachyophis
 * Pachyrhachis
 * Palaeophiidae: Late Cretaceous - Eocene
 * Archaeophis
 * Palaeophis
 * Pterosphenus


 * Sphenodontia
 * Pleurosauridae Early - Late Jurassic (-Early Cretaceous?)
 * Pleurosaurus
 * Palaeopleurosaurus
 * Vadasaurus?
 * Derasmosaurus?
 * Ankylosphenodon

Tanysauria

 * Dinocephalosaurus: Middle Triassic
 * Tanystropheus: Middle Triassic

Sauropterygians

 * Placodonts: Triassic
 * Cyamodus
 * Henodus
 * Palatodonta
 * Paraplacodus
 * Placochelys
 * Placodus
 * Psephoderma
 * Protenodontosaurus
 * Glyphoderma
 * Psephosauriscus
 * Psephochelys
 * Pararcus
 * Parahenodus
 * Sinocyamodus


 * Nothosauroidea: Triassic
 * Nothosauridae
 * Ceresiosaurus
 * Germanosaurus
 * Lariosaurus
 * Nothosaurus
 * Silvestrosaurus
 * Simosauridae
 * Simosaurus


 * Pachypleurosaurs: Triassic
 * Anarosaurus
 * Dactylosaurus
 * Keichousaurus
 * Neusticosaurus (Pachypleurosaurus)
 * Dawazisaurus
 * Diandongosaurus
 * Dianmeisaurus
 * Hanosaurus
 * Honghesaurus
 * Majiashanosaurus
 * Panzhousaurus
 * Qianxisaurus
 * Wumengosaurus
 * Dianopachysaurus
 * Luopingosaurus
 * Odoiporosaurus
 * Prosantosaurus
 * Serpianosaurus
 * Chusaurus


 * Pistosaurus:Middle Triassic
 * Plesiosaurs: Early Jurassic - Late Cretaceous
 * Plesiosauroids: Early Jurassic - Late Cretaceous
 * Plesiosaurus
 * Cimoliasauridae
 * Cryptoclididae
 * Cryptoclidus
 * Microcleidus
 * Muraenosaurus
 * Elasmosauridae
 * Elasmosaurus
 * Futabasaurus
 * Hydrotherosaurus
 * Kimmerosaurus
 * Libonectes
 * Mauisaurus
 * Morturneria
 * Thalassomedon
 * Tuarangisaurus
 * Polycotylidae
 * Dolichorhynchops
 * Edgarosaurus
 * Manemergus
 * Sulcusuchus
 * Thililua
 * Trinacromerum


 * Pliosaurs: Early Jurassic - Late Cretaceous
 * Kronosaurus
 * Liopleurodon
 * Pliosaurus
 * Macroplata
 * Peloneustes
 * Rhomaleosaurus
 * Umoonasaurus
 * Sachicasaurus

Ichthyosaurs

 * Ichthyosaurus
 * Ichthyotitan
 * Mixosaurus
 * Ophthalmosaurus
 * Shastasaurus
 * Shonisaurus

Choristoderes

 * Champsosaurus
 * Simoedosaurus
 * ?Pachystropheus (sometimes considered a thalattosaur )
 * ?Actiosaurus

Crocodylomorphs

 * Thalattosuchia: Early Jurassic - Early Cretaceous
 * Metriorhynchoidea
 * Eoneustes
 * Teleidosaurus
 * Zoneait
 * Aggiosaurus
 * Dakosaurus
 * Enaliosuchus
 * Geosaurus
 * Metriorhynchus
 * Neustosaurus
 * Purranisaurus
 * Teleidosaurus
 * Teleosauridae
 * Machimosaurus
 * Pelagosaurus
 * Platysuchus
 * Teleosaurus
 * Steneosaurus


 * Tethysuchia: Middle Jurassic - Early Eocene
 * Pholidosauridae: Middle Jurassic - Late Cretaceous
 * Elosuchus
 * Oceanosuchus
 * Terminonaris


 * Dyrosauridae: Late Cretaceous - Early Eocene
 * Arambourgisuchus
 * Atlantosuchus
 * Dyrosaurus
 * Guarinisuchus
 * Phosphatosaurus
 * Rhabdognathus


 * Gavialoidea: Late Cretaceous - Recent
 * Eothoracosaurus
 * Thoracosaurus
 * Eosuchus
 * Argochampsa
 * Eogavialis
 * Ikanogavialis
 * Piscogavialis
 * Siquisiquesuchus
 * Gryposuchus
 * Aktiogavialis

Testudines

 * Chelonioidea
 * Allopleuron
 * Archelon
 * Pneumatoarthrus
 * Protostega


 * Araripemydidae
 * Araripemys


 * Bothremydidae

Thalattosaurs

 * Agkistrognathus
 * Anshunsaurus
 * Askeptosaurus
 * Concavispina
 * Clarazia
 * Endennasaurus
 * Gunakadeit
 * Hescheleria
 * Miodentosaurus
 * Nectosaurus
 * Paralonectes
 * Thalattosaurus
 * Wapitisaurus
 * Wayaosaurus
 * Xinpusaurus