Assemblage 2, La Morita [Chejendé Mbr, La Luna Fm] (Cretaceous of Venezuela)

Where: Venezuela (9.3° N, 68.8° W: paleocoordinates 3.1° N, 45.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chejendé Member (La Luna Formation), Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Chejendé Mbr of the La Luna Fm, which regionally overlies the La Puya and Peñas Altas Fms (Albian-Aptian) and is overlain by the Colón Fm. AGE: Middle Early Turonian. STRATIGRAPHIC POSITION: From assemblage 2 of the Chejendé Mbr.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• ENVIRONMENT: Not stated, but said to be facies which become euxinic, from a shale lateral equivalent.
• SPECIFIC LITHOLOGY: Not stated, but presumably siliciclastic. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collected by Renz

Collection methods: surface (in situ),

• COLLECTOR: O. Renz. REPOSITORY: Renz coll., Compania, Shell de Venezuela.

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 88077: authorized by Austin Hendy, entered by Austin Hendy on 31.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonites. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Cephalopoda
 Ammonitida - Vascoceratidae
"Nannovascoceras constrictum" = Nannovascoceras intermedium, "Neoptychites transitorius n. sp." = Neoptychites cephalotus
"Nannovascoceras constrictum" = Nannovascoceras intermedium Renz and Alvarez 1979 ammonite
"Neoptychites transitorius n. sp." = Neoptychites cephalotus Courtiller 1860 ammonite
 Ammonitida - Desmoceratidae
Puzosia aff. orientalis ammonite
SUBSPECIES: Puzosia aff. orientalis intermedia