Bordj-Yerdi sand quarry (Cretaceous of Morocco)

Also known as Borj Yerdi, Douira

Where: Drâa-Tafilalet, Morocco (31.6° N, 4.2° W: paleocoordinates 18.6° N, 3.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Douira Formation (Kem Kem Group), Early/Lower Cenomanian (99.6 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: "channel"; poorly lithified, gray, yellow sandstone and burrowed, paleosol/pedogenic siliciclastic

• channels with intervening flood deposits
• sandstone is light, gray-yellow, lightly cemented, with oblique lamination (rarely parallel or convoluter). Separated by paleosols with burrows.

Size classes: macrofossils, mesofossils

Collected by Dalla Vecchia in 2005

Collection methods: quarrying, surface (float), surface (in situ),

Primary reference: S. E. Evans and M. Manabe. 1999. Early Cretaceous lizards from the Okurodani Formation of Japan. Geobios 32(6):889-899 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115155: authorized by Roger Benson, entered by Roger Benson on 30.08.2011, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp.
Ceratodus sp. Agassiz 1838 lungfish
Reptilia
 Testudinata -
Testudinata indet.
Testudinata indet. Oppel 1811 turtle
carapace pieces
 Loricata -
Eusuchia indet.
Eusuchia indet. crocodilian
caudal
 Crocodylia -
Crocodylia indet.
Crocodylia indet. Owen 1842 crocodilian
teeth
 Theropoda - Spinosauridae
Spinosaurus sp.
Spinosaurus sp. Stromer 1915 tetanuran theropod
teeth
Actinopteri
 Lepisosteiformes -
Lepidotes sp.
Lepidotes sp. Agassiz 1832 gar
scales, teeth
 Teleostei -
Teleostei indet.
Teleostei indet.
vertebrae
Chondrichthyes
 Rajiformes - Sclerorhynchidae
Onchopristis sp.
Onchopristis sp. Stromer 1917 ray
rostral teeth