Ichthyosauridae

Ichthyosauridae; Temporal range: latest Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Early Cretaceous ghost lineage
	Fossil specimen of Ichthyosaurus breviceps
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Ichthyosauria
Node:	†Thunnosauria
Family:	†Ichthyosauridae; Bonaparte, 1841
Type species
	† Conybeare, 1822
Subgroups
	Ichthyosaurus; Malawania; Protoichthyosaurus;

Ichthyosauridae is an

sister taxa. Despite its geologically younger age, M. anachronus was also assigned to Ichthyosauridae.^[1]

Phylogeny

Fischer et al. (2013) applied the name Ichthyosauridae Bonaparte, 1841 for the

thunnosaurs. The cladogram below follows the large phylogenetic analysis of Fischer et al. (2013).^[1]

Mikadocephalus gracilirostris

Hudsonelpidia brevirostris

Macgowania janiceps

Neoichthyosauria

Leptonectes tenuirostris

	Eurhinosaurus longirostris

	Excalibosaurus costini

Suevoleviathan disinteger

Hauffiopteryx typicus

Ichthyosauridae

Baracromia

Stenopterygius quadriscissus

Chacaicosaurus cayi

Arthropterygius chrisorum

Mollesaurus periallus

Ophthalmosaurus icenicus

(type species)

Brachypterygius extremus

Maiaspondylus lindoei

	Aegirosaurus leptospondylus

	Sveltonectes insolitus

"Platypterygius" hercynicus

Caypullisaurus bonapartei

	Athabascasaurus bitumineus

	"Platypterygius" australis