4.5 km E of Cumanacoa [Valle Grande Fm] (Cretaceous of Venezuela)

Where: Sucre, Venezuela (10.3° N, 63.9° W: paleocoordinates 8.2° N, 32.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Epicheloniceras martinoides ammonoid zone, Valle Grande Formation, Late/Upper Aptian (122.5 - 113.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Valle Grande Fm, for which lithostratigraphic relations are not discussed. AGE: Late Aptian; Gargasiebn; martinoides zone. STRATIGRAPHIC POSITION: From unknown position within formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, sideritic shale

• SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression, replaced with siderite

Reposited in the NMB

Collection methods: surface (float),

• COLLECTOR: Multiple collectoprs. REPOSITORY: Guillaume collection, Compania Shell de Venezuela; Museum of Natural History, Basel.

Primary reference: O. Renz. 1982. The Cretaceous ammonites of Venezuela 1-132 [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87916: authorized by Austin Hendy, entered by Austin Hendy on 28.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Ancyloceratidae
Ancyloceras mantelli
Ancyloceras mantelli Casey 1960 ammonite
 Ammonitida - Douvilleiceratidae
Cheloniceras aff. buxtorfi, Cheloniceras aff. debile
Cheloniceras aff. buxtorfi Jacob and Tobler 1906 ammonite
Cheloniceras aff. debile Casey 1962 ammonite
 Ammonitida - Acanthohoplitidae
Colombiceras sp., Colombiceras cf. caucasicum, Gargasiceras cf. recticostatum, Gargasiceras aptiense, "Gargasiceras acutecostum" = Hypacanthohoplites acutecostum
Colombiceras sp. Spath 1923 ammonite
Colombiceras cf. caucasicum Luppov 1949 ammonite
Gargasiceras cf. recticostatum Kilian 1913 ammonite
Gargasiceras aptiense Roch 1926 ammonite
"Gargasiceras acutecostum" = Hypacanthohoplites acutecostum Riedal 1934 ammonite
 Ammonitida - Beudanticeratidae
Beudanticeras (Uhligella) cf. mullerriedi
 Ammonitida - Desmoceratidae
Burckhardtites nazasensis, Melchiorites melchioris
Burckhardtites nazasensis Burckhardt 1925 ammonite
Melchiorites melchioris Tietze 1872 ammonite
 Ammonitida - Deshayesitidae
Mathoceras venezolanum, Mathoceras sucre
Mathoceras venezolanum Renz 1978 ammonite
Mathoceras sucre Renz 1978 ammonite
 Ammonitida - Tetragonitidae
Jauberticeras sp.
Jauberticeras sp. Jacob 1907 ammonite