Aust Cliff bone bed (BMNH coll): Rhaetian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnoi - Ceratodontidae
Ceratodus parvus Agassiz 1838
Woodward 1891 2 specimens
BMNH 44834, 28858a
Ceratodus latissimus Agassiz 1838
Woodward 1891 27 specimens
BMNH 23153, 28280, 28495, 29035, 35002-4, 35007, 36357, 41287, 42721, P.5012, 23153a, 24840, 28280a, 28495a, 28541, 28858, 34984-5, 35005, 35008, 36387a, 41287a, 42721a, P.344, P.761 (Egerton coll.)
Reptilia - Plesiosauria
Plesiosaurus rostratus Owen 1865
Browne 1894
Reptilia
Termatosaurus crocodilinus Quenstedt 1858
Browne 1894
Actinopteri - Perleidiformes - Colobodontidae
Colobodus sp. Agassiz 1843
Woodward 1895 1 specimen
BMNH P.7405 (Egerton Coll.)
Actinopteri - Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
Woodward 1895 1 specimen
BMNH P.7401 (history unknown)
Actinopteri - Semionotiformes - Macrosemiidae
Legnonotus cothamensis Egerton 1854
Woodward 1895 1 specimen
BMNH P.1092 (Egerton Coll.)
Actinopteri - Pholidophoriformes - Pholidophoridae
Pholidophorus sp. Agassiz 1832
Woodward 1895 1 specimen
BMNH 41281 (purchased 1869)
Pholidophorus nitidus Egerton 1854
Pholidophorus higginsi n. sp. Egerton 1854
Woodward 1895 2 specimens
BMNH P.578 (Egerton Coll.), 41279 (purchased 1869)
Palaeonisciformes - Birgeriidae
Saurichthys acuminatus Agassiz 1843
Woodward 1895 3 specimens
recombined as Birgeria acuminata
BMNH 23353,23813 (purchased 1849), 44835a (presented by Benjamin Bright, Esq. 1873)
Palaeonisciformes - Palaeoniscidae
Gyrolepis albertii Agassiz 1834
Woodward 1891 3 specimens
BMNH 23153c, P3930, P1043
Chondrichthyes - Synechodontiformes - Palaeospinacidae
Nemacanthus monilifer Agassiz 1836
Phillips 1871 7 specimens
BMNH 23153b, 23812, 24840, 43852, 44835, 46830, P.2217 (Egerton coll.)
Chondrichthyes - Synechodontiformes
Hybodus minor Agassiz 1837
Woodward 1889 3 specimens
recombined as Rhomphaiodon minor
BMNH P.2193a, P.2176 (Egerton coll.), 34986, 41293, 24840, P.430 (purchased 1850, 1860, 1869, 1882)
Chondrichthyes - Hybodontiformes - Pseudodalatiidae
Dalatias barnstonensis Sykes 1971
Sykes 1974 1 specimen
recombined as Pseudodalatias barnstonensis
BMNH P55871
Chondrichthyes - Hybodontiformes
Acrodus minimus Agassiz 1839
Woodward 1889 1 specimen
recombined as Lissodus minimus
BMNH 23153 (purchased 1849)
Chondrichthyes - Hybodontiformes - Polyacrodontidae
Hybodus cloacinus Quenstedt 1858
Woodward 1889 3 specimens
recombined as Polyacrodus cloacinus
BMNH 23153a-b (purchased 1849), P.2193 (Egerton coll.)
Chondrichthyes - Chimaeriformes - Myriacanthidae
Myriacanthus paradoxus Agassiz 1836
Duffin 1994 1 specimen
BMNH P62091
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
Geological group:Penarth Formation:Westbury
Stratigraphic resolution:bed
Stratigraphy comments: Bonebed is at the base of the Westbury Formation
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
Museum repositories:BMNH
Metadata
Database number:122365
Authorizer:M. Clapham, M. Carrano Enterer:M. Clapham, P. Vazquez, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2011-12-22 15:13:30 Last modified:2016-04-26 16:40:08
Access level:the public Released:2011-12-22 15:13:30
Creative Commons license:CC BY
Reference information

Primary reference:
43798. P. Egerton. 1854. On some new genera and species of fossil fishes. The Annals and Magazine of Natural History, Second Series 13:433-436 [M. Clapham/P. Vazquez/M. Clapham]

Secondary references:

58993 M. Browne. 1894. On some vertebrate remains not hitherto recorded from the Rhaetic Beds of Britain. Report of the British Association for the Advancement of Science 63:748-749 [M. Carrano/M. Carrano/M. Carrano]
46012 C. J. Duffin. 1994. Myriacanthid holocephalans (Chondrichthyes) from the British Late Triassic. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 192(1):1-16 [M. Clapham/P. Vazquez/M. Clapham]
23773ETE J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford 1-523 [M. Carrano/M. Carrano/E. Vlachos]
45976 J. H. Sykes. 1974. Teeth of Dalatias barnstonensis in the British Rhaetic. Mercian Geologist 5(1974):39-48 [M. Clapham/P. Vazquez/P. Vazquez]
43905 A. S. Woodward. 1889. Catalogue of the Fossil Fishes in the British Museum (Natural History) Part 1 1-613 [M. Clapham/P. Vazquez/M. Clapham]
38758 A. S. Woodward. 1891. Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II. Catalogue of the Fossil Fishes in the British Museum (Natural History) 2 [W. Dahdul/B. Frable ]
38893 A. S. Woodward. 1895. Catalogue of the Fossil Fishes in the British Museum (Natural History), Part III 1-544 [M. Clapham/M. Clapham]