Seeleyosaurus
| Seeleyosaurus | |
|---|---|
 |
|
| Cast of Seeleyosaurus guilelmiimperatoris fossil with reconstructed parts | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Microcleididae |
| Genus: |
†Seeleyosaurus White, 1940 |
| Type species | |
|
Seeleyosaurus guilelmiimperatoris (Dames, 1895) |
|
Seeleyosaurus is an extinct genus of plesiosaur. It is known from a large almost complete skeleton from the Upper Lias (Toarcian) of Württemberg, Germany. There seems to be the impression of a rhomboidal flap of skin in a vertical plane; if so, many plesiosaurs may have been equipped in this way.
The following cladogram follows an analysis by Ketchum & Benson, 2011.
"Pistosaurus postcranium"
Hauffiosaurus spp.
advanced pliosaurids
advanced rhomaleosaurids
"Plesiosaurus" macrocephalus
Seeleyosaurus guilelmiimperatoris
OUMNH J.28585
Elasmosauridae and
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