Pobla de Segur, Tremp Area, Puimanyons Olistostrome, Cataluna (Cretaceous of Spain)

Where: Spain (42.3° N, 1.0° E: paleocoordinates 32.2° N, 2.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bostrychoceras polyplocum ammonoid zone, Puimanyons Olistostrome Member (Vallcarga Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• COMMENTS: 550 m thick. AGE: Late Campanian, on the basis of ammonoid biostratigraphy; Bostrychoceras polyplocum zone.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments and lithified limestone

• probably shallow coastal environment of the allochthonous deposits; deeper marine environment of the autochthonous deposits
• slumped deposits: silts of the shelf deposits mixed with sands, crystalline pebbles, carbonate blocks in marls

Size class: macrofossils

Primary reference: J. Gallemi, R. Martinez, and J. M. Pons. 1983. Coniacian-Maastrichtian of the Tremp Area (South Central Pyrenees). Newsletters on Stratigraphy 12(1):1-17 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 67002: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.11.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
"Libycoceras ismaeli" = Libycoceras ismaelis
"Libycoceras ismaeli" = Libycoceras ismaelis Zittel 1884 ammonite
 Ammonitida - Tetragonitidae
Anagaudryceras sp. Shimizu 1934 ammonite
Tetragonites epigonus Kossmat 1895 ammonite
 Ammonitida - Nostoceratidae
Bostrychoceras polyplocum Roemer 1841 ammonite
 Ammonitida - Diplomoceratidae
"? Diplomoceras notabile" = Diplomoceras cylindraceum, Solenoceras sp.
"? Diplomoceras notabile" = Diplomoceras cylindraceum Defrance 1816 ammonite
Solenoceras sp. Conrad 1860 ammonite
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
sp. 2
 Ammonitida - Scaphitidae
Trachyscaphites pulcherrimus Roemer 1841 ammonite
 Phylloceratida - Phylloceratidae
"? Phylloceras woodsi" = Phylloceras (Hypophylloceras) woodsi
"? Phylloceras woodsi" = Phylloceras (Hypophylloceras) woodsi van Hoepen and Hoepen 1921 ammonite
subspecies woodsi
Echinoidea
 Echinoneoida - Conulidae
Conulus haugi sea urchin
Conulus sp. Leske 1778 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster sp. Agassiz and Desor 1847 heart urchin
 Spatangoida - Micrasteridae
Micraster gourdoni heart urchin
Micraster stolleyi heart urchin
 Holasteroida - Holasteridae
 Calycina - Phymosomatidae
 Cidaroida - Cidaridae