Aust Cliff bone bed (Ord coll, Bristol): Rhaetian, United Kingdom
collected by W.T. Ord
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Dipnoi
- Ceratodontidae
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Ceratodus latissimus n. sp.
Agassiz 1838
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Agassiz 1843 | |||||||||
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= Ceratodus sp.
Agassiz 1838
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Duffin 1982 | |||||||||
| UNABLE TO DELETE INCORRECT REIDENTIFICATION | ||||||||||
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Reptilia
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Rysosteus n. gen. sp.
Owen 1842
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Owen 1842 | 1 specimen | ||||||||
| nomen dubium belonging to Diapsida | ||||||||||
| anterior dorsal vertebra, Johnson coll. no. 177 | ||||||||||
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Reptilia
- Plesiosauria
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Plesiosaurus trigonus
Cuvier 1824
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Owen 1840 | 1 specimen | ||||||||
| vertebra | ||||||||||
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Plesiosaurus costatus n. sp.
Owen 1840
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Owen 1840 | 1 specimen | ||||||||
| BRSMG Cb 2457 (destroyed holotype) | ||||||||||
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Reptilia
- Archosauria
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? Zanclodon informal sp. a
Plieninger 1846
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Lydekker 1888 | 2 specimens | ||||||||
| BMNH 23812, pedal elements | ||||||||||
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= Archosauria indet.
Cope 1869
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Galton 2005 | |||||||||
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Reptilia
- Theropoda
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Megalosauridae indet.
(Fitzinger 1843)
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Benton and Spencer 1995 | |||||||||
| Theropod teeth | ||||||||||
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= Theropoda indet.
Marsh 1881
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Carrano 2025 | |||||||||
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Reptilia
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Labyrinthodontia indet.
Owen 1859
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Stutchbury 1850 | |||||||||
| BRSMG Ca9358, fragment of large limb bone | ||||||||||
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= Camelotia borealis
Galton 1985
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Storrs 1994 | |||||||||
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= Camelotia sp.
Galton 1985
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Galton 2005 | |||||||||
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Dinosauria indet.
Owen 1842
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Galton 2005 | |||||||||
| BRSMG Cb4063, part of shaft of a tibia; other indeterminate large bones (BRSMG Cb4905, Ce17255, Ce17258) | ||||||||||
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= Ichthyosauria indet.
de Blainville 1835
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Lomax et al. 2017 | |||||||||
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Camelotia sp.
Galton 1985
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Storrs 1994 | |||||||||
| BRSMG Cb3869, Cb3870, fragments of long bone shafts | ||||||||||
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= ? Camelotia sp.
Galton 1985
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Benton and Spencer 1995 | |||||||||
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= Stegosauria indet.
Marsh 1877
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Galton 2005 | |||||||||
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= Reptilia indet.
Laurenti 1768
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Butler et al. 2006 | |||||||||
| "probably...dinosaurs (possibly sauropods)" | ||||||||||
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= Tetrapoda indet.
Jaekel 1911
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Irmis et al. 2007 | |||||||||
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= Ichthyosauria indet.
de Blainville 1835
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Lomax et al. 2017 | |||||||||
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Reptilia
- Ichthyosauridae
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Ichthyosaurus sp.
Koenig 1818
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Benton and Spencer 1995 | |||||||||
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Actinopteri
- Perleidiformes
- Colobodontidae
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Colobodus sp.
Agassiz 1843
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Benton and Spencer 1995 | |||||||||
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= ? Colobodus sp.
Agassiz 1843
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Duffin 1982 | |||||||||
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Chondrichthyes
- Synechodontiformes
- Palaeospinacidae
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Nemacanthus filifer n. sp.
Agassiz 1836
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Agassiz 1843 | |||||||||
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Nemacanthus minor n. sp.
Davis 1881
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus austiensis n. sp.
Davis 1881
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Hybodus punctatus n. sp.
Davis 1881
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Sphenonchus (Hybodus) obtusus n. sp.
Davis 1881
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Chondrichthyes
- Hybodontiformes
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Acrodus sp.
Agassiz 1834
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= Acrodus minimus
Agassiz 1839
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Duffin 1982 | |||||||||
| recombined as Lissodus minimus | ||||||||||
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Chondrichthyes
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Ctenoptychius pectinatus n. sp.
Agassiz 1838
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| recombined as Ageleodus pectinatus | ||||||||||
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Ctenoptychius ordii n. sp.
Davis 1881
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| nomen dubium belonging to Chondrichthyes | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Gloucestershire |
| Coordinates: | 51.6° North, 2.6° West (view map) | ||||
| Paleocoordinates: | 36.1° North, 0.8° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Rhaetian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian | ||
| Age range of interval: | 208.50000 - 201.40000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lenticular lithified sandy conglomerate |
| Includes fossils? | Y |
| Lithology description: "lenses of grit or intra-formational conglomerate (or breccia) of sedimentary rocks with a calcite-cemented sandy matrix" | |
| Environment: | coastal indet. |
| Geology comments: marine coastal conditions, possibly a result of a storm or the Rhaetian transgression | |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | -bonebed |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | W.T. Ord |
Metadata
| Database number: | 122362 | ||
| Authorizer: | M. Clapham, M. Carrano, R. Benson | Enterer: | M. Clapham, R. Benson, M. Carrano, K. Maguire |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-12-22 14:28:40 | Last modified: | 2014-10-23 11:12:12 |
| Access level: | the public | Released: | 2011-12-22 14:28:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24888. | ETE | J. W. Davis. 1881. Notes on the fish-remains of the bone-bed at Aust, near Bristol; with the description of some new genera and species. Quarterly Journal of the Geological Society of London 37:414-426 [M. Carrano/M. Carrano] |
Secondary references:
| 32304 | R. B. Irmis, W. G. Parker, S. J. Nesbitt and J. Liu. 2007. Early ornithischian dinosaurs: the Triassic record. Historical Biology 19(1):3-22 [R. Butler/R. Butler/M. Carrano] | |
| 66026 | D. R. Lomax, P. De la Salle, J. A. Massare and R. Gallois. 2017. A giant Late Triassic ichthyosaur from the UK and a reinterpretation of the Aust Cliff ‘dinosaurian’ bones. PLoS ONE 13(4): e0194742 [R. Butler/R. Butler/R. Butler] | |
| 43605 | D. Naish and D. M. Martill. 2008. Dinosaurs of Great Britain and the role of the Geological Society of London in their discovery: Ornithischia. Journal of the Geological Society, London 165:613-623 [M. Carrano/M. Carrano] | |
| 34651 | R. Owen. 1840. Report on British fossil reptiles. Report of the British Association for the Advancement of Science 8:43-126 [M. Carrano/H. Street/M. Carrano] |