Lafarge quarry, Lestaillats 1 (Cretaceous of France)

Also known as Roquefort-sur-Garonne, Mauran

Where: Haute-Garonne, France (43.2° N, 1.0° E: paleocoordinates 35.2° N, 1.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Marnes de Lestaillats Formation (Ausseing Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• also referred to as the "Marnes d'Auzas"

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; bioturbated, black, gray, carbonaceous claystone

• "estuarine mudstones"
• "from a thick series (20 m) of gray to black marls, rich in organic materials, strongly bioturbated and remakable for the superabundance of whole lamellibranch shells..."

Size classes: macrofossils, mesofossils

Collected by Y. Laurent in 1993, 1994, 1997

Collection methods: quarrying, surface (in situ),

Primary reference: E. Buffetaut. 1994. The significance of dinosaur remains in marine sediments: an investigation based on the French record. In R. Kohring & T. Martin (eds.), Miscellanea Palaeontologica 3: Festschrift Bernard Krebs. Berliner Geowissenschaften Abhandlungen, Reihe E 13:125-133 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 48865: authorized by Matthew Carrano, entered by Matthew Carrano on 01.04.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Cerithiidae
 Cerithioidea - Pachychilidae
 Cerithioidea - Potamididae
 Cerithioidea - Melanopsidae
Bivalvia
 Cardiida - Cyrenidae
Chondrichthyes
 Selachii -
"Selachii" indet.1 shark
"shark" teeth
Reptilia
 Testudines -
Pleurodira indet.3 sideneck turtle
 Loricata -
Eusuchia indet.5 crocodilian
 Ornithischia - Nodosauridae
Nodosauridae indet.3 Marsh 1890 ankylosaur
MDE-Les-9, 68, 69
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
MDE-Les-4, 5, 10, 20, 25, 73
 Theropoda -
Theropoda indet.2 theropod
MDE-Les-76
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.2 Cuvier 1825 gar
plus additional unnumbered specimens
 Spariformes - Sparidae
? Sparidae indet.2 Cuvier 1817
 Elopiformes - Phyllodontidae
Phyllodontidae indet.2 Sauvage 1875
plus additional unnumbered specimens