P12, Quebracho, Paysandú Department (Cretaceous of Uruguay)

Where: Uruguay (31.9° S, 57.9° W: paleocoordinates 34.9° S, 44.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Queguay Formation, Maastrichtian (72.1 - 66.0 Ma)

• Some papers give a Paleogene age, but Late Cretaceous is more likely based on the abundance of sauropod eggshells. Veroslavsky et al. (2019) dated carbonates in the Queguay Formation at around 72 Ma.

• group of beds-level stratigraphic resolution

Environment/lithology: pond; lithified limestone

• Pedogenic and palustrine carbonates

Size class: macrofossils

Collection methods: Repository: Paleontological Collection of the Facultad de Ciencias, Montevideo, Uruguay (FCDPI)

Primary reference: R. Cabrera, A. S. H. Breure, W. Norbis and S. Martínez. 2021. Description of a new Late Cretaceous species of Bulimulus Leach, 1814 (Orthalicoidea: Bulimulidae) using geometric morphometric analysis. Journal of Molluscan Studies 87(eyab006) [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 231032: authorized by Matthew Clapham, entered by Matthew Clapham on 01.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Heterostropha - Planorbidae
Biomphalaria walteri3, Biomphalaria reversa4
Biomphalaria walteri3 Parodiz 1969 snail
Biomphalaria reversa4 Cabrera et al. 2016 snail
 Stylommatophora - Succineidae
Succineidae indet.3
Succineidae indet.3 Beck 1837 amber snail
 Stylommatophora - Strophocheilidae
Eoborus charruanus3
 Stylommatophora - Pupillidae
Pupoides (Ischnopupoides) gnocco2
Pupoides (Ischnopupoides) gnocco2 Cabrera and Martínez 2017 slug
 Stylommatophora - Bulimulidae
Bulimulus frenguellii n. sp., Bulimulus klappenbachi
Bulimulus frenguellii n. sp. Cabrera et al. 2021 slug
Bulimulus klappenbachi Parodiz 1969 slug
 Stylommatophora - Odontostomidae
Bahiensis priscus n. sp.1
Bahiensis priscus n. sp.1 Cabrera and Martínez 2012 slug
1Cabrera and Martínez 2012; 2Cabrera and Martínez 2017; 3Cabrera et al. 2018; 4Cabrera et al. 2016