Conteville, Calvados: Middle Bathonian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Plantae indet. Haeckel 1866
Chondrichthyes - Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889
Chondrichthyes - Synechodontiformes - Paraorthacodontidae
Paraorthacodus sp. Glikman 1957
Actinopteri - Leptolepidiformes - Leptolepididae
Leptolepis sp. Agassiz 1832
Reptilia - Megalosauridae
? Poekilopleuron valesdunensis n. sp. Allain 2002
1 individual
recombined as Dubreuillosaurus valesdunensis
(2 measurements)
Cephalopoda - Ammonitida - Perisphinctidae
Procerites sp. Siemiradzki 1898
Procerites progracilis Cox and Arkell 1950
recombined as Gracilisphinctes (Gracilisphinctes) progracilis
Cephalopoda - Ammonitida - Oppeliidae
Oxycerites sp. Rollier 1909
Cephalopoda - Belemnitida - Belemnopseidae
Belemnopsis fusiformis
Gastropoda - Pleurotomariidae
Pyrgotrochus sp. Fischer 1885
Bivalvia - Pholadida - Pleuromyidae
Pleuromya uniformis Sowerby 1813
Bivalvia - Pectinida - Limidae
Limatula gibbosa
Bivalvia - Pectinida - Entoliidae
Entolium corneolum (Young and Bird 1828)
recombined as Entolium (Entolium) corneolum
Bivalvia - Ostreida - Bakevelliidae
Gervillella acuta (Sowerby 1826)
Rhynchonellata - Rhynchonellida - Tetrarhynchiidae
Kallirhynchia concinna (Sowerby 1815)
Rhynchonellata - Terebratulida - Zeilleriidae
Rugitela cadomensis (Deslongchamps 1867)
Rhynchonellata - Terebratulida - Loboidothyrididae
Cererithyris intermedia (Sowerby 1812)
see common names

Geography
Country:France State/province:Basse-Normandie County:Calvados
Coordinates: 49.4° North, 0.4° East (view map)
Paleocoordinates:39.2° North, 10.7° East
Basis of coordinate:based on nearby landmark
Altitude:4 meters
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bathonian 10 m.y. bin:Jurassic 4
*Period:Middle Jurassic
*International age/stage:Middle Bathonian
Key time interval:Middle Bathonian Ammonoid zone: Procerites progracilis
Age range of interval:168.20000 - 165.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Calcaires de Caen Member:Pierre de Caen
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:burrows "limestone"
Includes fossils?Y
Lithology description: "Pierre de Caen is an homogenous, fine-grained biomicrite...the bank in which the bones of the new theropod were collected is intersected by siliceous peg-like structures...interpreted as roots of mangrove trees and burrows."
Environment:shallow subtidal indet.
Geology comments: "low-energy, subtidal environment"
Taphonomy
Modes of preservation:body,trace
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:excellent
Associated major elements:many
Disassociated major elements:many
Fragmentation:occasional
Collection methods and comments
Collection methods:selective quarrying,chemical,mechanical,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:28444
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:marine invertebrate,vertebrate
Created:2003-02-13 20:31:55 Last modified:2009-10-21 10:45:46
Access level:the public Released:2003-02-13 20:31:55
Creative Commons license:CC BY
Reference information

Primary reference:

7839. R. Allain. 2002. Discovery of megalosaur (Dinosauria, Theropoda) in the Middle Bathonian of Normandy (France) and its implications for the phylogeny of basal Tetanurae. Journal of Vertebrate Paleontology 22(3):548-563 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

16601ETE R. Allain. 2005. The postcranial anatomy of the megalosaur Dubreuillosaurus valesdunensis (Dinosauria: Theropoda) from the Middle Jurassic of Normandy, France. Journal of Vertebrate Paleontology 25(4):850-858 [M. Carrano/K. Maguire/M. Carrano]