Arroyo Truquico (Cretaceous of Argentina)

Where: Neuquén, Argentina (37.5° S, 70.3° W: paleocoordinates 36.6° S, 33.4° W)

• coordinate stated in text

When: Lower Member (Agrio Formation), Late/Upper Valanginian (140.2 - 136.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, calcareous shale

• dark shales with calcareous nodules

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 232197: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 30.10.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neritoidea - Neritidae
Lyosoma truquicoensis n. sp. Cataldo 2017 snail
CPBA 21364.1–27.