| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Seeleyosaurus
Taxonomy
Seeleyosaurus was named by White (1940) [Sepkoski's age data: J l].
It was assigned to Brancasauridae by White (1940); to Plesiosauria by Sepkoski (2002); to Elasmosauridae by Grossmann (2007); to Plesiosauridae by Ketchum and Benson (2010); and to Microcleididae by Benson et al. (2012), Benson and Druckenmiller (2014).
It was assigned to Brancasauridae by White (1940); to Plesiosauria by Sepkoski (2002); to Elasmosauridae by Grossmann (2007); to Plesiosauridae by Ketchum and Benson (2010); and to Microcleididae by Benson et al. (2012), Benson and Druckenmiller (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Seeleyosaurus White p. 461 |
| 2002 | Seeleyosaurus Sepkoski |
| 2007 | Seeleyosaurus Grossmann p. 545 |
| 2010 | Seeleyosaurus Ketchum and Benson p. 15 |
| 2012 | Seeleyosaurus Benson et al. fig. 4 |
| 2014 | Seeleyosaurus Benson and Druckenmiller figs. 2-3 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Seeleyosaurus White 1940
show all | hide all
†Seeleyosaurus guilelmiimperatoris Dames 1895
hide
Invalid names: Seeleyosaurus holzmadensis White 1940 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. E. White 1940 | "Skull brachycephalic; teeth long and slender; orbits anterior to midlength of skull; 35 cervical, 20 dorsal, 2 sacral, 43 caudal vertebrae; cervical ribs double-headed; neural spines high and broad; anteroposterior length of shoulder girdle nearly twice interglenoid breadth; clavicles and interclavicle present and well developed; interclavicle with distinct posterior process; scapula and coracoid meeting medial to scapula-coracoid fenestra." |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: Falciferum or 183.00000 to 182.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Falciferum | Germany (Baden-Württenburg) | Plesiosaurus guilelmiimperatoris (132865 138586) |