Fossil specimen : BGS GSM118410 –
| Taxonomic Group |
Kingdom Animalia Phylum Chordata Class Reptilia Order Plesiosauria |
|---|---|
| Fossil Name | Atychodracon megacephalus (Smith) |
| Type Status | |
| Name History | Atychodracon megacephalus (Smith) – See Smith (2015) Thaumatosaurus megacephalus Stutchbury Plesiosaurus megacephalus (Stutchbury) |
| Registration No. | GSM118410 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments | Cast of ventral side of skull and right fore limb (see also BM(NH) R 1309. This appears to be one of several casts made of part of the Holotype Bristol Museum Cb 2335, which was destroyed in 1940 and described and figured by Swinton (from previous notes |
| Country | England |
|---|---|
| Locality | Street, Somerset |
| Grid Reference | Not available |
| Rock Unit | Lower Lias Group |
|---|---|
| Biozone | Not available |
| Geological Age |
Aalenian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (170.3 – 209.5 Ma B.P.) |
| References | Andrews, C. W. 1922. Quarterly Journal of the Geological Society, Vol LXXVIII p.294-295 Lydekker, R. 1889. Cat. Foss. Rept. Brit. Mus., Part II p.166 Smith, AS. 2015. Reassessment of ‘Plesiosaurus’ megacephalus (Sauropterygia: Plesiosauria) from the Triassic-Jurassic boundary, UK. Palaeontologia Electronica, 18.1.20A. Sollas, W. J. 1881. Quarterly Journal of the Geological Society, Vol XXXVII p.472 Stutchbury, S. 1846. Quarterly Journal of the Geological Society, Vol II p.412-417 Swinton, W. E. 1931. Report Brit. Assoc. 1930 p.341 Swinton, W. E. 1947. Proceedings of the Bristol Naturalists' Society, Vol XXVII, Part IV p.343-360 Reprinted as a small booklet "Plesiosaurs in the City Museum, Bristol" |
|---|
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1: detail of paddle /BGS/GSM_118410_paddle
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2: underside of skull /BGS/GSM_118410_skull_1
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3: detachable portion of rostrum /BGS/GSM_118410_skull_2
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