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 (Calcaire 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

• 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]. Mémoires de la Société Linnéenne Normandie 6:1-114 [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
  -
Bivalvia
 Pholadida - Myidae
? Mya ? scripta softshell clam
 Nuculida - Nuculidae
"Nucula nucleus" = Nucula (Nucula) nucleus
"Nucula nucleus" = Nucula (Nucula) nucleus Linnaeus 1758 nut clam
Cephalopoda
 Belemnoidea - Belemnopseidae
"Belemnites ? hastatus" = Belemnopsis hastata
"Belemnites ? hastatus" = Belemnopsis hastata Blainville 1808 belemnite
Chondrichthyes
 Heterodontiformes - Heterodontidae
"Cestracion sp." = Heterodontus
"Cestracion sp." = Heterodontus de Blainville 1816 bullhead shark
Reptilia
 Saurischia - Megalosauridae
Poekilopleuron bucklandii n. gen. n. sp. Eudes-Deslongchamps 1837 tetanuran
 Sauropterygia - Plesiosauridae
"Liopleurodon bucklandi n. sp." = Thaumatosaurus oolithicus
"Liopleurodon bucklandi n. sp." = Thaumatosaurus oolithicus Meyer 1841 plesiosaur
tooth