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, É Jaillard, G. Labaucher, C. Noblet, A. Pardo, B. Sigé, and P. Taquet. 1986. Découverte de restes dinosauriens et mammalien d’âge crétacé supérieur à la base des couches rouges du synclinal de Bagua (Andes nord-péruviennes): aspects stratigraphiques, sédimentologiques et paléogéographiques concernant la régression fini-crétacée [Discovery of dinosaur and mammalian remains of Upper Cretaceous age at the base of the red beds of the Bagua syncline (northern Peruvian Andes): stratigraphic, sedimentologic, and paleogeographic aspects of the end-Cretaceous regression]. Bulletin de la Société Géologique de France, 8e série 2(1):171-175 [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

 Charales - Porocharaceae
 Charales - Characea
Foraminifera
 Trochamminacea - Trochamminidae
Trochamminidae indet.1 Schwager 1877
  -
"Marginulina sp." = Cristellaria (Marginulina)1
"Marginulina sp." = Cristellaria (Marginulina)1 d'Orbigny 1826
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp.1 Lamarck 1804
 Nodosariida - Nodosariidae
Astacolus sp.1 de Montfort 1808
Cephalopoda
 Ammonitida - Collignoniceratidae
Menabites "sp. 1"1 Collignon 1948 ammonite
Reptilia
 Dinosauria -
Dinosauria indet.1 dinosaur
eggshell, incl. HEC 382-3, 4 (ornithoid, ratite)
  - Fusioolithidae
"Megaloolithus pseudomamillare" = Fusioolithus baghensis2
"Megaloolithus pseudomamillare" = Fusioolithus baghensis2 Khosla and Sahni 1995 dinosaur
HEC 382-1A, 1B
 Theropoda -
Theropoda indet. theropod
tooth, phalangeal fragments
Mammalia
 Theriamorpha -
Theria indet. Parker and Haswell 1897 mammal
isolated cusp
Chondrichthyes
 Euselachii -
Neoselachii indet.1 Compagno 1977 elasmobranch
 Carcharhiniformes - Triakidae
Triakidae indet.1 Gray 1851 hound shark
"nov. gen."
 Orectolobiformes - Hemiscylliidae
cf. Chiloscyllium sp.1 Müller and Henle 1837 carpet shark
 Rajiformes - Sclerorhynchidae
Sclerorhynchidae indet.1 Capetta 1974 ray
Ischyrhiza sp.1 Leidy 1856 ray
"or Dalpiaza"
Echinoidea
 Spatangoida - Hemiasteridae
cf. Periaster sp.1 heart urchin
"spatangoid echinid"