Bed 133, Cajamarca section (Cretaceous of Peru)

Where: Peru (7.2° S, 78.5° W: paleocoordinates 12.9° S, 55.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Coñor Formation, Early/Lower Turonian (93.5 - 89.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal, gray, yellow shale

• LITHOLOGY: Shale, yellowish to light gray, friable, fossiliferous. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Reposited in the AMNH

Collection methods: surface (in situ),

• COLLECTOR: V. E. Benavides. REPOSITORY: AMNH.

Primary reference: V.E. Benavides-Caceres. 1956. Cretaceous system in northern Peru. Bulletin of the American Museum of Natural History 108(4):1-493 [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 158990: authorized by Matthew Clapham, entered by Matthew Clapham on 24.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids, bivalves, and other invertebrates groups. NOMENCLATURE: Authoritative publication, but with somewhat antiquated nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Echinoidea
 Euechinoidea - Orthopsidae
Orthopsis titicacana
Bivalvia
 Myalinida - Inoceramidae
"Inoceramus labiatus" = Mytiloides labiatus
"Inoceramus labiatus" = Mytiloides labiatus Schlotheim 1813 clam
Cephalopoda
 Ammonitida - Coilopoceratidae
Coilopoceras jenksi
Coilopoceras jenksi Benavides-Caceres 1956 ammonite
 Ammonitida - Pseudotissotidae
"Hoplitoides inca" = Wrightoceras munieri
"Hoplitoides inca" = Wrightoceras munieri Pervinquiére 1907 ammonite
 Ammonitida - Acanthoceratidae
Mammites nodosoides
Mammites nodosoides Schlüter 1871 ammonite
ssp. afer