Chassiron (beds 1001-1005), Île d'Oléron: Early/Lower Tithonian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Provalvata cf. sabaudiensis
Vertebrata indet. (Lamarck 1801)
1 specimen
MO-CHA-56
Mammalia
Mammalia indet. (Linnaeus 1758)
2 specimens
Cladotheria indet. McKenna 1975
3 specimens
MO-CHA-55, "stem Cladotheria"
Mammalia - Multituberculata
Multituberculata indet. (Cope 1884)
2 specimens
MO-CHA-54
Reptilia
cf. Eurysternum sp. Meyer 1839
MO-CHA-24
Reptilia - Plesiochelyidae
Plesiochelyidae indet. Rütimeyer 1873
MO-CHA-22, 23
Reptilia - Testudoolithidae
Testudoolithidae indet. Hirsch 1996
Reptilia - Pleurosternidae
Pleurosternon sp. Owen 1853
12 specimens
MO-CHA-20
    = Pleurosternidae indet. Cope 1868
Joyce and Anquetin 2019
Pleurosternidae indet. Cope 1868
1 individual
MO-CHA-21
Reptilia - Squamata
Squamata indet. Oppel 1811
Reptilia - Cteniogenyidae
? Cteniogenys sp. Gilmore 1928
MO-CHA-53
Reptilia
? Megalosauridae indet. (Fitzinger 1843)
original and current combination Megalosauri
MO-CHA-42
? Theropoda indet. (Marsh 1881)
small posterior caudal vertebrae
Reptilia - Spinosauridae
Spinosauridae indet. Stromer 1915
1 specimen
MO-CHA-41
Reptilia - Troodontidae
? Troodontidae indet. Gilmore 1924
MO-CHA-44
Reptilia - Dromaeosauridae
Dromaeosauridae indet. Colbert and Russell 1969
MO-CHA-43
Reptilia
? Allosauroidea indet. Currie and Zhao 1994
Reptilia - Stegosauridae
Stegosauridae indet. Marsh 1880
1 specimen
MO-CHA-39
Reptilia
? Ornithopoda indet. (Marsh 1881)
isolated platycoelous vertebral centra
Reptilia - Iguanodontidae
Iguanodontidae indet. Bonaparte 1850
MO-CHA-40
Reptilia
? Sauropoda indet. (Marsh 1878)
1 specimen
tooth fragment
Reptilia - Titanosauridae
Megaloolithidae indet. Zhao 1979
Reptilia - Rhamphorhynchidae
Rhamphorhynchidae indet. Seeley 1870
MO-CHA-45
? Rhamphorhynchidae indet. Seeley 1870
MO-CHA-46
Reptilia
Pterodactyloidea informal indet. 5 (Plieninger 1901)
MO-CHA-49
Pterodactyloidea informal indet. 6 (Plieninger 1901)
MO-CHA-50
Pterodactyloidea informal indet. 7 (Plieninger 1901)
MO-CHA-51
Pterodactyloidea indet. (Plieninger 1901)
MO-CHA-52
Reptilia - Azhdarchidae
? Azhdarchidae indet. Nessov 1984
1 specimen
distal end, left metacarpal IV
Reptilia - Ctenochasmatidae
Ctenochasmatidae informal indet. 3 Nopcsa 1928
"or Boreopteridae?"; MO-CHA-47
Ctenochasmatidae informal indet. 4 Nopcsa 1928
"or Boreopteridae?"; MO-CHA-48
Reptilia
Theriosuchus cf. pusillus Owen 1878
MO-CHA-30, 31, 32
Bernissartia sp. Dollo 1883
MO-CHA-34, 35, 36, 37
Crocodylia indet. (Owen 1842)
MO-CHA-38
Reptilia - Goniopholididae
Goniopholis sp. Owen 1842
MO-CHA-25, 26, 27, 28, 29
Reptilia
Pholidosaurus sp. Meyer 1841
MO-CHA-33
Reptilia - Teleosauridae
Steneosaurus sp. Saint-Hilaire 1825
Amphibia - Temnospondyli - Albanerpetontidae
Albanerpetontidae indet. Fox and Naylor 1982
MO-CHA-12, 13
Amphibia - Temnospondyli
Caudata informal indet. 1 (Scopoli 1777)
MO-CHA-14, 15
Caudata informal indet. 2 (Scopoli 1777)
MO-CHA-16, 17
Anura indet. (Fischer von Waldheim 1813)
MO-CHA-18, 19; two forms
Actinopteri - Amiiformes - Amiidae
? Amiidae indet. Huxley 1861
1 specimen
MO-CHA-10
Actinopteri - Amiiformes - Caturidae
Caturidae indet. Owen 1860
Actinopteri - Lepisosteiformes
Sheenstia mantelli
MO-CHA-5, 6, 7
Actinopteri - Pycnodontiformes - Pycnodontidae
Pycnodontidae indet. (Agassiz 1833)
Actinopteri - Ichthyodectiformes - Ichthyodectidae
Ichthyodectidae indet. Crook 1892
MO-CHA-11
Ionoscopiformes
Ionoscopiformes indet. Grande and Bemis 1998
MO-CHA-8, 9
Chondrichthyes - Hybodontiformes - Hybodontidae
Planohybodus sp. Rees and Underwood 2008
MO-CHA-4
Chondrichthyes - Hybodontiformes - Lonchidiidae
MO-CHA-1, 2, 3
Bivalvia - Cardiida - Psammobiidae
"Psammobia" tellinoides
spelled with current rank as Gari (Psammobia)
Bivalvia - Cardiida - Neomiodontidae
Neomiodon sp.
1-2 species "close to N. fasciatus and N. angulatus"
Gastropoda - Heterostropha - Planorbidae
Planorbidae indet. Rafinesque 1815
"an indeterminate calcitised and smooth species"
Gyraulus cf. loryi
Gastropoda - Viviparidae
Viviparidae indet. Gray 1847
Viviparus cf. inflatus
Ostracoda - Podocopida
Fabanella boloniensis
F. b. ornata
Ostracoda - Podocopida - Cyprididae
Mantelliana cf. perlata
unclassified
Latochara latitruncata (Peck 1937)
"abundant gyrogonites"
Charales - Characea
Mesochara voluta
unclassified
Pteridophyta indet. Haeckel 1875
Coniferales - Brachyphyllaceae
Brachyoxylon sp. Hollick and Jeffrey 1909
unclassified
Coniferophyta indet.
"at least two taxa"
Equisetopsida - Araucariaceae
Agathoxylon sp. Hartig 1848
unclassified
Lycopodiophyta indet. Scott 1900
"three types"
see common names

Geography
Country:France State/province:Poitou-Charentes County:Île d'Oléron
Coordinates: 46.0° North, 1.4° West (view map)
Paleocoordinates:36.8° North, 8.6° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Stage:Tithonian 10 m.y. bin:Jurassic 6
Key time interval:Early/Lower Tithonian Ammonoid zone: Gravesia gigas
Age range of interval:149.20000 - 146.30000 m.y. ago
Stratigraphy
Member:2
Stratigraphic resolution:group of beds
Stratigraphy comments: beds 1001 to 1005 are grouped together, as the fossils are not separated in the published literature
Lithology and environment
Primary lithology:black,blue claystone
Secondary lithology:black,blue marl
Includes fossils?Y
Lithology description: "blue clays and marls"; "black to blue clays and marls"
Environment:estuary/bay
Glacial or sequence phase:transgressive
Geology comments: "shallow-water embayment and tidal facies"
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:-bonebed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:excellent
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Phare de Chassiron
Database number:164377
Authorizer:M. Carrano, E. Vlachos Enterer:M. Carrano, E. Vlachos
Modifier:M. Carrano Research group:vertebrate
Created:2014-12-01 15:35:03 Last modified:2022-05-03 12:05:21
Access level:the public Released:2014-12-01 15:35:03
Creative Commons license:CC BY
Reference information

Primary reference:
53638. R. Vullo, D. Abit, M. Ballèvre, J.-P. Billon-Bruyat, R. Bourgeais Buffetaut, V. Daviero-Gomez, G. Garcia, B. Gomez, J.-M. Mazin, S. Morel, D. Néraudeau, J. Pouech, J.-C. Rage, J. Schnyder, and H. Tong. 2014. Palaeontology of the Purbeck-type (Tithonian, Late Jurassic) bonebeds of Chassiron (Oléron Island, western France). Comptes Rendus Palevol 13(5):421-441 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

69447 W. G. Joyce and J. Anquetin. 2019. A review of the fossil record of non-baenid turtles of the clade Paracryptodira. Bulletin of the Peabody Museum of Natural History 60(2):129-155 [E. Vlachos/E. Vlachos/E. Vlachos]
70966 J.-D. Moreau, D. Néraudeau, R. Vullo, D. Abit, B. Mennecart and J. Schnyder. 2017. Late Jurassic dinosaur footprints from Chassiron–La Morelière (Oléron Island, western France). Palaeobiodiversity and Palaeoenvironments 97(4):773-789 [M. Carrano/M. Carrano]
81570 S. Sánchez-Fenollosa, F. J. Verdú, and M. Suñer. 2021. Current knowledge of Late Jurassic ornithopod dinosaurs from Europe. Ciências da Terra Procedia 1:54-57 [M. Carrano/M. Carrano/M. Carrano]