List of marine reptiles

Extant

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

Crocodiles

Crocodylus

Crocodylus acutus (American Crocodile)Crocodylus porosus (Saltwater Crocodile)

Squamates

Iguanidae

Amblyrhynchus

Amblyrhynchus cristatus (Marine Iguana)

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 nigrocinctaDisteira 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 brookiHydrophis caerulescens (Dwarf Sea Snake)Hydrophis cantorisHydrophis 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

StereosternumMesosaurus

Phytosaurs

Pseudopalatinae: Late Triassic

Mystriosuchus

Squamates

Aigialosauridae: Late Cretaceous

Dolichosauridae: Late Cretaceous

AdriosaurusDolichosaurusJudeasaurus

Kaganaias: Late Cretaceous

Mosasaurs: Late Cretaceous

Mosasaurinae

CarinodensClidastesDallasaurusGlobidensMosasaurusPlotosaurusPrognathodon

Halisaurinae

EonatatorHalisaurus

Tylosaurinae

HainosaurusTylosaurusTaniwhasaurus

Plioplatecarpinae

PlatecarpusPlioplatecarpusSelmasaurus

Prolacertiformes

Dinocephalosaurus: Middle Triassic

Sauropterygians

Placodonts: Triassic

Nothosaurs: Triassic

Pachypleurosaurs: Triassic

Pistosaurus:Middle Triassic

Plesiosaurs: Early Jurassic - Late Cretaceous

Plesiosauroids: Early Jurassic - Late Cretaceous

Plesiosaurus

Cimoliasauridae

Cryptoclididae

Elasmosauridae

ElasmosaurusFutabasaurusHydrotherosaurusLibonectesMauisaurusThalassomedon

Polycotylidae

DolichorhynchopsEdgarosaurusManemergusSulcusuchusThililuaTrinacromerum

Pliosaurs: Early Jurassic - Late Cretaceous

KronosaurusLiopleurodonMacroplataPeloneustesRhomaleosaurusUmoonasaurus

Choristoderes

Champsosaurus

Simoedosaurus

Crocodilians

Thalattosuchia: Early Jurassic - Early Cretaceous

Metriorhynchidae

AggiosaurusDakosaurusEnaliosuchusGeosaurusMetriorhynchusNeustosaurusPurranisaurusTeleidosaurus

Teleosauridae

MachimosaurusPelagosaurusPlatysuchusTeleosaurusSteneosaurus

Gavialoidea: Late Cretaceous - Recent

EothoracosaurusThoracosaurusEosuchusArgochampsaEogavialisIkanogavialisPiscogavialisSiquisiquesuchusGryposuchusAktiogavialis

Sea turtles

Allopleuron

Archelon

Pneumatoarthrus

Protostega

Bothremydidae

Thalattosaurs

Agkistrognathus campebelli

Anshunsaurus huangguoshuensis

Anshunsaurus wushaensis

Askeptosaurus italicus

Concavispina biseridens

Clarazia schinzi

Endennasaurus acutirostris

Hescheleria ruebeli

Miodentosaurus brevis

Nectosaurus halius

Paralonectes merriami

Thalattosaurus alexandrae

Thalattosaurus borealis

Xinpusaurus suni