PBDB Collection

Aust Cliff bone bed (BMNH coll) (Triassic of the United Kingdom)

Where: England, United Kingdom (51.6° N, 2.6° W: paleocoordinates 36.1° N, 0.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Westbury Formation (Penarth Group), Rhaetian (208.5 - 201.3 Ma)

• Bonebed is at the base of the Westbury Formation

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, lenticular, sandy conglomerate

• marine coastal conditions, possibly a result of a storm or the Rhaetian transgression

• "lenses of grit or intra-formational conglomerate (or breccia) of sedimentary rocks with a calcite-cemented sandy matrix"

Size classes: macrofossils, mesofossils

Reposited in the BMNH

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122365: authorized by Matthew Clapham, entered by Matthew Clapham on 22.12.2011, edited by Priscilla Vazquez and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Osteichthyes
Dipnoi - Ceratodontidae	Ceratodus parvus⁶, Ceratodus latissimus⁶ Ceratodus parvus⁶ Agassiz 1838 lungfish BMNH 44834, 28858a Ceratodus latissimus⁶ Agassiz 1838 lungfish 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 rostratus¹ Plesiosaurus rostratus¹ Owen 1865 plesiosaur
Phytosauria -	Termatosaurus crocodilinus¹ Termatosaurus crocodilinus¹ Quenstedt 1858 archosaur
Osteichthyes
Palaeonisciformes - Palaeoniscidae	Gyrolepis albertii⁶ Gyrolepis albertii⁶ Agassiz 1834 BMNH 23153c, P3930, P1043
Palaeonisciformes - Birgeriidae	"Saurichthys acuminatus" = Birgeria acuminata⁷ "Saurichthys acuminatus" = Birgeria acuminata⁷ Agassiz 1843 BMNH 23353,23813 (purchased 1849), 44835a (presented by Benjamin Bright, Esq. 1873)
Actinopteri
Pholidophoriformes - Pholidophoridae	Pholidophorus sp.⁷, Pholidophorus higginsi n. sp.⁷, Pholidophorus nitidus Pholidophorus sp.⁷ Agassiz 1832 BMNH 41281 (purchased 1869) Pholidophorus higginsi n. sp.⁷ Egerton 1854 BMNH P.578 (Egerton Coll.), 41279 (purchased 1869) Pholidophorus nitidus Egerton 1854
Semionotiformes - Semionotidae	Sargodon tomicus⁷ Sargodon tomicus⁷ Plieninger 1847 BMNH P.7401 (history unknown)
Semionotiformes - Macrosemiidae	Legnonotus cothamensis⁷ Legnonotus cothamensis⁷ Egerton 1854 BMNH P.1092 (Egerton Coll.)
Perleidiformes - Colobodontidae	Colobodus sp.⁷ Colobodus sp.⁷ Agassiz 1843 BMNH P.7405 (Egerton Coll.)
Chondrichthyes
Chimaeriformes - Myriacanthidae	Myriacanthus paradoxus² Myriacanthus paradoxus² Agassiz 1836 chimaera BMNH P62091
Hybodontiformes - Pseudodalatiidae	"Dalatias barnstonensis" = Pseudodalatias barnstonensis⁴ "Dalatias barnstonensis" = Pseudodalatias barnstonensis⁴ Sykes 1971 elasmobranch BMNH P55871
Hybodontiformes - Polyacrodontidae	"Hybodus cloacinus" = Polyacrodus cloacinus⁵ "Hybodus cloacinus" = Polyacrodus cloacinus⁵ Quenstedt 1858 elasmobranch BMNH 23153a-b (purchased 1849), P.2193 (Egerton coll.)
Hybodontiformes -	"Acrodus minimus" = Lissodus minimus⁵ "Acrodus minimus" = Lissodus minimus⁵ Agassiz 1839 elasmobranch BMNH 23153 (purchased 1849)
Synechodontiformes - Palaeospinacidae	Nemacanthus monilifer³ Nemacanthus monilifer³ Agassiz 1836 elasmobranch BMNH 23153b, 23812, 24840, 43852, 44835, 46830, P.2217 (Egerton coll.)
Synechodontiformes -	"Hybodus minor" = Rhomphaiodon minor⁵ "Hybodus minor" = Rhomphaiodon minor⁵ Agassiz 1837 elasmobranch BMNH P.2193a, P.2176 (Egerton coll.), 34986, 41293, 24840, P.430 (purchased 1850, 1860, 1869, 1882)

¹Browne 1894; ²Duffin 1994; ³Phillips 1871; ⁴Sykes 1974; ⁵Woodward 1889; ⁶Woodward 1891; ⁷Woodward 1895