Blasi 2, Arén (Cretaceous of Spain)

Also known as 2a, 2b

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• lower part; 6.5 m interval; upper part of chron c30n, 65.6-68.7 mya

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lenticular, gray marl

• "lagoonal/marsh marls"
• "grey marls", 2 m thick

Size classes: macrofossils, mesofossils

Collection methods: bulk, sieve,

• includes seven types of eggshell

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 45437: authorized by Matthew Carrano, entered by Matthew Carrano on 22.10.2004, edited by Philip Mannion, Patricia Holroyd and Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Teleostei -
 Neopterygii -
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.5 Cuvier 1825 gar
Osteichthyes
 Temnospondyli - Albanerpetontidae
"Albanerpeton aff. nexuosum" = Albanerpeton nexuosus1
"Albanerpeton aff. nexuosum" = Albanerpeton nexuosus1 Estes 1981 tetrapod
3 premaxillae [MPZ 2009/179-181], 4 maxillae (2 left [MPZ 2009/182-183] and 2 right [MPZ 2009/184-185]); 25 dentaries (14 left [MPZ 2009/186-199], 9 right [MPZ 2009/200-208] and 2 indet. [MPZ 2009/207-208]), 8 indeterminate partial jaws [MPZ 2009/211-218], 1 frontal [MPZ 2009/219], 5 humeri [MPZ 2009/221-225] and 2 trunk vertebrae [MPZ 2009/226-227]: misspelled "nexuosum"
 Salientia -
aff. Paradiscoglossus sp.1 Estes and Sanchíz 1982 frog
1 mandible [MPZ 2009/229], 13 ilia (2 left [MPZ 2009/ 230-231], 7 right [MPZ 2009/232-238] and 4 indet. fragments [MPZ 2009/239-242]), 9 humeri [MPZ 2009/243-251], 1 urostyle [MPZ 2009/252], 4 vertebrae [MPZ 2009/253-256], 2 sacral vertebrae [MPZ 2009/257-258], 4 radioulnae [MPZ 2009/259-262], 1 femur [MPZ 2009/263] and 36 tibiofibulae [MPZ 2009/264-299]
 Salientia - Palaeobatrachidae
Palaeobatrachidae indet.1 Cope 1865 frog
3 incomplete maxillae [MPZ 2009/300-302], 14 ilia (1 left [MPZ 2009/303], 2 right [MPZ 2009/304-305] and 11 indet. [MPZ 2009/306-316]), 1 right scapula [MPZ 2009/317], 1 vertebra [MPZ 2009/318] and 4 radioulnae [MPZ 2009/319-322]
Reptilia
 Testudines - Bothremydidae
Bothremydidae indet.6 Baur 1891 sideneck turtle
cf. Polysternon sp.5 Portis 1882 sideneck turtle
 Testudinata - Helochelydridae
Solemys sp.3 de Lapparent de Broin and Murelaga 1996 turtle
  - Prismatoolithidae
Prismatoolithidae indet.4 Hirsch 1994 dinosaur
 Saurischia -
 Saurischia - Titanosauridae
Megaloolithidae indet.4 titanosaurid
dinosauroid tubospherulithic
 Saurischia -
Theropoda "indet. 1"8 Marsh 1881 theropod
MPZ2004/5, tooth
 Avetheropoda - Dromaeosauridae
Dromaeosauridae "indet. E"2 Colbert and Russell 1969 coelurosaur
MPZ 98/75
? Dromaeosauridae indet.8 Colbert and Russell 1969 coelurosaur
"Dromaeosauridae type C"; MPZ 2004/6
? Richardoestesia sp.8 Currie et al. 1990 coelurosaur
MPZ 98/73, 2004/7, teeth
? Richardoestesia sp.8 Currie et al. 1990 coelurosaur
MPZ 98/72, 74, teeth
 Avetheropoda -
? Paronychodon sp.8 Cope 1876 coelurosaur
MPZ 98/76, 77, 78, teeth
Maniraptoriformes indet.2 Holtz and Padian 1995 coelurosaur
 Neornithischia - Hadrosauridae
Euhadrosauria indet.5 Weishampel et al. 1993 hadrosaurid
 Loricata - Trematochampsidae
"Trematochampsidae" indet.5 Buffetaut 1974 crocodilian
 Loricata -
Crocodylia indet.5 crocodilian
 Crocodylia -
Alligatoroidea indet.5 Gray 1844 crocodilian
 Loricata - Allodaposuchidae
Arenysuchus gascabadiolorum7 Puértolas et al. 2011 crocodilian
MPZ 2010/948-951; 4 teeth
 Loricata - Hylaeochampsidae
Acynodon sp.5 Buscalioni et al. 1997 crocodilian
 Squamata -
Squamata indet.1 Oppel 1811 lizard
 Squamata - Anguidae
Anguidae indet.1 Gray 1825 lizard
5 trunk vertebrae [MPZ 2009/326-330]
 Squamata -
Scleroglossa indet.1 Estes et al. 1988 lizard
Alethinophidia indet.1 snake
posterior caudal vertebra [MPZ 2009/331]
Amphibia
  -
Charophyceae
 Charales - Feistiellaceae
Amblyochara concava5
A. c. concava, A. c. mucronata, A. c. ssp.
Amblyochara "sp. A"5 Grambast 1962
Feistiella sp.5 Schudack 1986
 Charales - Characeae