Near La Aguana, Barbacoas Syncline [La Puya Fm] (Cretaceous of Venezuela)

Where: Lara, Venezuela (10.2° N, 69.7° W: paleocoordinates 2.0° N, 44.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hysteroceras orbignyi ammonoid zone, La Puya Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• STRATIGRAPHIC RELATIONS: From the La Puya Fm, which regionally unconformably overlies the Peñas Altas Fm (Aptian) and is overlain by the La Luna Fm. AGE: Late Albian; Hoplites orbignyi zone. STRATIGRAPHIC POSITION: From the upper part of the formation.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• SPECIFIC LITHOLOGY: Thick bedded, very fossiliferous limestone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Reposited in the NMB

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: 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 87953: authorized by Austin Hendy, entered by Austin Hendy on 29.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Cephalopoda
 Ammonitida - Knemiceratidae
Knemiceras compressum Hyatt 1903 ammonite
"Knemiceras laraense" = Glottoceras laraense Renz 1970 ammonite
 Ammonitida - Desmoceratidae
Desmoceras (Desmoceras) latidorsatum Michelin 1838 ammonite
SUBSPECIES: Desmoceras (Desmoceras) latidorsatum latidorsatum
Puzosia (Anapuzosia) tucuyensis von Buch 1850 ammonite
 Ammonitida - Mojsisovicsiidae
"Oxytropidoceras (Venezoliceras) multicostatum" = Oxytropidoceras (Benavidesites) multicostatum Renz 1968 ammonite
"Oxytropidoceras (Venezoliceras) intermedium" = Oxytropidoceras (Benavidesites) intermedium Renz 1968 ammonite
 Ammonitida - Lyelliceratidae
"Neophlycticeras madagascariense" = Neophlycticeras (Protissotia) itierianum d'Orbigny 1841 ammonite
 Ammonitida - Brancoceratidae
"Hysteroceras aff. aguilerae" = Goodhallites aguilerae Böse 1923 ammonite
"Prohysteroceras (Goodhallites) goodhalli" = Goodhallites goodhalli Sowerby 1820 ammonite
Mortoniceras (Rusoceras) nothum van Hoepen 1946 ammonite
Mortoniceras (Mortoniceras) arietiforme Spath 1922 ammonite
SUBSPECIES: Mortoniceras (Mortoniceras) arietiforme andranofotsyense
Mortoniceras (Deiradoceras) cf. exile van Hoepen 1941 ammonite
Hysteroceras carinatum Spath 1922 ammonite
Hysteroceras orbignyi Spath 1922 ammonite
Hysteroceras bucklandi Spath 1922 ammonite
Hysteroceras andinum Renz 1971 ammonite
Hysteroceras choffati Spath 1925 ammonite