Blasi 4, Arén (Cretaceous of Spain)

Where: Aragón, Spain (42.3° N, 0.7° E: paleocoordinates 34.3° N, 0.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Conques Formation (Tremp Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• lower part of formation, 70 m above Blasi 3; base of chron c29r, ca. 65.6 mya

• bed-level stratigraphic resolution

Environment/lithology: "channel"; conglomerate

• "o.5-m-thick, channelized, micro-conglomerate bed."

Size classes: macrofossils, mesofossils

Preservation: cast

Collection methods: quarrying, mechanical,

Primary reference: J. I. Canudo, L. Ardévol, G. Cuenca-Bescós, N. López-Martínez, X. Murelaga, X. Pereda-Suberbiola, J. I. Ruiz-Omeñaca and X. Orue-Etxebarria. 1999. New dinosaur localities near the Cretaceous/Tertiary boundary from Arén (Huesca, Spain). In J. I. Canudo & G. Cuenca-Bescós (eds.), IV European Workshop on Vertebrate Paleontology, Albarracin, Spain. Universidad de Zaragoza 32-33 [M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 45439: authorized by Matthew Carrano, entered by Matthew Carrano on 22.10.2004, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia indet.2 Linnaeus 1758 clam
internal casts
 Testudines - Bothremydidae
Bothremydidae indet.3 Baur 1891 sideneck turtle
cf. Polysternon sp.2 Portis 1882 sideneck turtle
 Neornithischia - Hadrosauridae
Euhadrosauria indet.1 Weishampel et al. 1993 hadrosaurid
MPZ 2007/1884, L jugal
 Loricata -
Crocodylia indet.2 crocodilian
"crocodilian remains"