Blasi 3, 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; upper part of chron c30n

• bed-level stratigraphic resolution

Environment/lithology: "channel"; lithified, burrowed, fine-grained, gray, calcareous sandstone

• "1-m-thick channelized sandstone body...fine-grained, matrix-supported feldspathic sandstone contains Ophiomorpha burrows." "a 1-m thick grey massive calcareous sandstone containing Ophiomorpha burrows."

Size classes: macrofossils, mesofossils

Collected in 1998-2007

Collection methods: quarrying, chemical, mechanical,

• area of 70 sq m

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 45438: authorized by Matthew Carrano, entered by Matthew Carrano on 22.10.2004, edited by Kaitlin Maguire, Patricia Holroyd and Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

• Hadrosaur materials include pathological caudal vertebra (ref 28218).
Reptilia
 Testudines - Bothremydidae
Bothremydidae indet.3 Baur 1891 sideneck turtle
cf. Polysternon sp.2 Portis 1882 sideneck turtle
 Saurischia -
Theropoda "indet. 1"5 Marsh 1881 theropod
MPZ 98/67, 2004/8
 Avetheropoda - Dromaeosauridae
cf. Dromaeosauridae "indet. 5"6 Colbert and Russell 1969 coelurosaur
"Dromaeosauridae sp. B"; MPZ 98/68
 Neornithischia - Hadrosauridae
Lambeosaurinae indet.1 Parks 1923 lambeosaurine
Arenysaurus ardevoli n. gen. n. sp.4 Pereda-Suberbiola et al. 2009 lambeosaurine
 Loricata - Trematochampsidae
"Trematochampsidae" indet.2 Buffetaut 1974 crocodilian
 Loricata -
Eusuchia indet.2 Huxley 1875 crocodilian
 Crocodylia -
Alligatoroidea indet.2 Gray 1844 crocodilian
 Ichnofossils -
Ophiomorpha sp.2 Lundgren 1891