La Maladrerie quarry, Caen (Jurassic of France)

Also known as Poekilopleuron type

Where: Basse-Normandie, France (49.2° N, 0.4° W: paleocoordinates 38.9° N, 10.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Procerites progracilis ammonoid zone, Banc Royal Member (Calcaires de Caen Formation), Middle Bathonian (167.7 - 164.7 Ma)

• 25-30 feet below top of quarry, in "the wide bank"; possibly = Great Oolite; Procerites progracilis Zone

•also "Calcaire de Caen"

• bed-level stratigraphic resolution

Environment/lithology: marine; gray limestone

• limestones contains "barite sulfate"

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression

Collected in 1835

Collection methods: bulk, salvage, surface (in situ), mechanical,

Primary reference: J. A. Eudes-Deslongchamps. 1837. Mémoire sur le Poekilopleuron bucklandi, Grande Saurien Fossile, Intermédiare entre les Crocodiles et les Lézards, Découvert dans les Carrières de la Maladrerie, près Caen, au Mois de Juillet 1835 [Memoir on the Poekilopleuron bucklandi, a Great Fossil Saurian, Intermediate between Crocodiles and Lizards, Discovered in the Maladrerie Quarries, near Caen, in July 1835]. 1-114 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49334: authorized by Matthew Carrano, entered by Matthew Carrano on 13.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Belemnitida - Belemnopseidae
"Belemnites ? hastatus" = Belemnopsis hastata
"Belemnites ? hastatus" = Belemnopsis hastata Blainville 1808 belemnite
Bivalvia
 Nuculida - Nuculidae
"Nucula nucleus" = Nucula (Nucula) nucleus
"Nucula nucleus" = Nucula (Nucula) nucleus Linnaeus 1758 nut clam
 Pholadida - Myidae
? Mya ? scripta softshell clam
Reptilia
 Theropoda - Megalosauridae
Poekilopleuron bucklandii n. gen. n. sp. Eudes-Deslongchamps 1837 tetanuran theropod
 Plesiosauria - Plesiosauridae
"Liopleurodon bucklandi n. sp." = Thaumatosaurus oolithicus
"Liopleurodon bucklandi n. sp." = Thaumatosaurus oolithicus Meyer 1841 plesiosaur
tooth
Chondrichthyes
 Heterodontiformes - Heterodontidae
"Cestracion sp." = Heterodontus
"Cestracion sp." = Heterodontus de Blainville 1816 bullhead shark