Avon Fissure Fill
Appearance
Avon Fissure Fill | |
---|---|
Ma | |
Type | Henry Riley & Samuel Stutchbury |
Year defined | 1836 |
The Avon Fissure Fill, also known as the Bristol Fissure Fill or Tytherington Fissure Fill,Lower Carboniferous limestones.[1]
It is paired with the nearby Magnesian Conglomerate; it may have been the same formation as the Magnesian Conglomerate.[1]
Paleofauna
Taxon | Species | Presence | Notes | Images |
---|---|---|---|---|
Agnosphitys[2][3] | A. cromhallensis[2][3] | Geographically present in Avon, England (now Bristol).[2] | Its remains include a left ilium (holotype) and a left maxilla, astragalus and humerus (referred specimen).[2] | ![]() |
Agrosaurus[4][2] | A. macgillivrayi[4][2] | Geographically present in Avon, England (now Bristol). Originally believed to have been found in Cape York Peninsula, Queensland (Australia).[2] | A tibia, a claw and some other fragments.[2] | |
Asylosaurus[2][5] | A. yalensis[2][5] | Geographically present in Avon, England (now Bristol).[2][6] | Dorsal gastralia, a shoulder girdle, humeri, a partial forearm, and a hand; additional bones from the neck, tail, pelvis, arm and legs that may represent the same individual.[5][2]
|
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Chimaeriformes[7]
|
Indeterminate[7] | Geographically present in Bristol.[2] | Indeterminate remains.[7] | |
Clevosaurus[8] | C. hudsoni[8] | Geographically present in Gloucestershire.[2] | Partial cranial and post-cranial skeleton (holotype).[8] | ![]() |
Crinoidea[7]
|
Indeterminate[7] | Geographically present in Bristol.[2] | Reworked from older Carboniferous sediments (Friars Point Limestone Formation).[9] | |
Diphydontosaurus[7] | D. avonensis[7] | Geographically present in Bristol.[2] | Complete to near-complete specimens.[7] | ![]() |
Hybodontiformes?[10] | Indeterminate[10] | Geographically present in Bristol.[2] | Indeterminate remains.[10] | |
Gyrolepis[11] | Indeterminate[11] | Geographically present in Bristol.[2] | Indeterminate remains.[11] | ![]() |
Lissodus[10] | L. minimus[10] | Geographically present in Bristol.[2] | Teeth.[10] | ![]() |
Palaeosaurus[2][5] | P. cylindrodon[2][5] | Geographically present in Avon, England (now Bristol) and Bristol.[2] | Two teeth (one destroyed in 1940).[2] | ![]() |
Planocephalosaurus[12][13] | P. robinsonae[12][13] | Geographically present in Bristol.[2] | Skull (holotype).[12] | |
Rhomphaiodon[10] | R. minor[10] | Geographically present in Bristol.[2] | Teeth.[10] | |
Rileyasuchus[2][14][15] | R. bristolensis[2][14][15] | Geographically present in Bristol.[2] | Two vertebrae and a humerus.[2] | |
Terrestrisuchus?[10][7] | Indeterminate[10][7] | Geographically present in Bristol and South Wales.[2] | Indeterminate remains.[10][7] | ![]() |
Theropoda[2] | Indeterminate[2] | Geographically present in Avon, England (now Bristol) and Bristol.[2] | Indeterminate remains.[2] Possibly similar to Pendraig milnerae.[16] | |
Thecodontosaurus[2] | T. antiquus[2] | Geographically present in Avon, England (now Bristol) and Bristol.[2] | Partial cranial and postcranial remains (holotype is a lower jaw).[2] | ![]() |
References
- ^ a b c Magnesian Conglomerate in the Paleobiology Database
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am Langer, 2004. Basal Saurischia. In Weishampel, Dodson and Osmolska. The Dinosauria Second Edition. University of California Press. 861 pp.
- ^ a b Nicholas C. Fraser, Kevin Padian, Gordon M. Walkden and A. L. M. Davis, 2002. Basal dinosauriform remains from Britain and the diagnosis of the Dinosauria. Palaeontology. 45(1), 79-95.
- ^ a b H. G. Seeley. (1891). On Agrosaurus macgillivrayi (Seeley), a saurischian reptile from the N.E. coast of Australia. Quarterly Journal of the Geological Society of London 47:164-165
- ^ Galton, Peter(2007). "Notes on the remains of archosaurian reptiles, mostly basal sauropodomorph dinosaurs, from the 1834 fissure fill (Rhaetian, Upper Triassic) at Clifton in Bristol, southwest England". Revue de Paléobiologie. 26 (2): 505–591.
- ^ Riley H and Stutchbury S (1836a) "A description of various remains of three distinct saurian animals discovered in the autumn of 1834, in the Magnesian Conglomerate on Durdham Down, near Bristol". Geological Society of London, Proceedings, 2 (45): 397-399.
- ^ .
- ^ a b c W. E. Swinton. (1939). A new Triassic rhynchocephalian from Gloucestershire. ''Annals and Magazine of Natural History: Zoology, Botany, and Geology'' '''4''':591-59
- .
- ^ Proceedings of the Geologists' Association125. 317–332. .
- ^ S2CID 5332637.
- ^ a b c Fraser, N.C. (November 1982). "A New Rhynchocephalian from the British Upper Trias" (PDF). Palaeontology. 25 (4): 709–725.
- ^ a b Fraser, N.C.; Walkden, G.M. (August 1984). "The postcranial skeleton of the Upper Triassic sphenodontid Planocephalosaurus robinsonae" (PDF). Palaeontology. 27 (3): 575–595.
- ^ a b von Huene, F. (1902). Überischt über die Reptilien der Trias. Geologische und Paläontologie Abhandlungen, Neu Folge 8:97-156. [German]
- ^ a b Kuhn, O. (1961). Die Familien der rezenten und fossilen Amphibien und Reptilien. Meisenbach:Bamberg, 79 p.
- PMC 8493203.