Puerta Curaco (Mulichinco Formation) (Cretaceous of Argentina)

Where: Neuquén, Argentina (37.4° S, 69.9° W: paleocoordinates 36.5° S, 33.1° W)

• coordinate stated in text

When: L. riveroi ammonoid zone, Mulichinco Formation (Mendoza Group), Early/Lower Valanginian (140.2 - 136.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone and lithified wackestone

• In the Valanginian Mulichinco Formation, continental and volcaniclastic deposits coexist with marine shales and thick carbonates. The outcrops of this unit are developed mainly in central and northern Neuquén and the facies grade vertically and laterally from continental to marginal marine, being mostly marine in the northernmost area, with sandstones and shales interbedded with coquinas.

Size class: macrofossils

Collection methods: surface (in situ),

• CPBA, Colección de Paleontología, Universidad de Buenos Aires, Buenos Aires, Argentina

Primary reference: C. S. Cataldo. 2017. New records of marine gastropods from the Lower Cretaceous of west-central Argentina. Ameghiniana 54(4):405-440 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232194: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 30.10.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Heterostropha - Acteonidae
Tornatellaea ? sp.
Tornatellaea ? sp. Conrad 1860 snail
CPBA 21312.1–5