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Bathyspondylus swindoniensis
Taxonomy
Bathyspondylus swindoniensis was named by Delair (1982). Its type specimen is 1774 Dev. M., a partial skeleton, and it is a 3D body fossil. Its type locality is Swindon Brick and Tile Company brick pit, which is in a Kimmeridgian marine claystone in the Kimmeridge Clay Formation of the United Kingdom. It is the type species of Bathyspondylus.
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Bathyspondylus swindoniensis Delair p. 157–162 |
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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.
†Bathyspondylus swindoniensis Delair 1982
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Delair 1982 | Centra very short antero-posteriorly and with the terminal faces always wider than high. At least nineteen cervicals (but probably twenty-one excluding the atlas/axis), with terminal faces of equal area, initially of a tranversely oblong outline but progressing posteriorly to that of a horizontal oval. Pectorals three (possibly four) in number with terminal faces having an inverted hemispheric outline. At least twenty-three dorsal centra (but probably twenty-seven), possessing posterior terminal faces always smaller than their anterior counterparts, and of a subcircular to oval contour. All terminal faces flat or incipiently concave. Weakly developed ventral keels on anterior and middle cervicals only. Rugosity confined to rib facets and the sutures of the neural arches. Floors of neural canals emarginate in cervicals and pectorals. The type species. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | United Kingdom (England) | Bathyspondylus swindoniensis (145758) | |
| Late/Upper Kimmeridgian | United Kingdom (England) | Pleiosaurus macromerus (type locality: 47421) |