Fundo el Triunfo (Cretaceous to of Peru)

Where: Amazonas, Peru (5.7° S, 78.5° W: paleocoordinates 7.7° S, 60.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Fundo El Triunfo Member (Bagua Formation), Middle Campanian to Middle Campanian (83.5 - 66.0 Ma)

• lwoer ed beds (some upper Celendin Fm. materials: ammonites)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gypsiferous, pyritic, black shale

• "black shales rich in secondary gypsum, sulfur, and pyrite"

Size classes: macrofossils, mesofossils, microfossils

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

Primary reference: T. Mourier, P. Bengtson, M. Bonhomme, E. Buge, H. Cappetta, J.-Y. Crochet, M. Feist, K. F. Hirsch, E. Jaillard, G. Laubacher, J. P. Lefranc, M. Moullade, C. Noblet, D. Pons, J. Rey, B. Sigé, Y. Tambareau and P. Taquet. 1988. The Upper Cretaceous–Lower Tertiary marine to continental transition in the Bagua Basin, northern Peru: paleontology, biostratigraphy, radiometry, correlations. Newsletters on Stratigraphy 19(3):143-177 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52839: authorized by Matthew Carrano, entered by Matthew Carrano on 23.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Textulariina
 Trochamminacea - Trochamminidae
Trochamminidae indet. Schwager 1877
Lagenina
 Nodosariacea - Nodosariidae
Lenticulina sp. Lamarck 1804
Marginulina sp. d'Orbigny 1826
 Nodosariacea - Vaginulinidae
Astacolus sp. de Montfort 1808
Cephalopoda
 Ammonitida - Collignoniceratidae
Menabites "sp. 1" Collignon 1948 ammonite
Chondrichthyes
 Euselachii -
Neoselachii indet. Compagno 1977 elasmobranch
 Sclerorhynchiformes - Sclerorhynchidae
Sclerorhynchidae indet. Capetta 1974 elasmobranch
Ischyrhiza sp. Leidy 1856 elasmobranch
"or Dalpiaza"
 Carchariniformes - Triakidae
Triakidae indet. Gray 1851 hound shark
"nov. gen."
Reptilia
 Dinosauria -
Dinosauria indet. dinosaur
eggshell
 Theropoda -
Echinoidea
 Spatangoida - Hemiasteridae
cf. Periaster sp. heart urchin
"spatangoid echinid"
Charophyceae
 Charales - Feistiellaceae