Lomas Bayas (Cretaceous of Argentina)

Where: Mendoza, Argentina (34.7° S, 69.5° W: paleocoordinates 34.1° S, 33.9° W)

• coordinate stated in text

When: Sabaudiella riverorum ammonoid zone, Agrio Formation (Mendoza Group), Late/Upper Hauterivian (136.4 - 130.0 Ma)

Environment/lithology: lenticular, ooidal, carbonaceous grainstone

• "The specimens come from relatively thin, lensoid patches (maximum thickness of each is approximately 14 cm) of E. mendozana-dominated shell beds which in turn are within the highest 50 cm of a bioclastic grainstone 1.5 m thick. These beds lie near the top of the Agrio Formation within the Sabaudiella riverorum ammonoid Zone".

Size class: macrofossils

Preservation: mold/impression, replaced with calcite

Collection methods: bulk, peel or thin section,

Primary reference: C. S. Cataldo. 2012. A new Early Cretaceous nerineoid gastropod from Argentina and its palaeobiogeographic and palaeoecological implications. Cretaceous Research [J. Alroy/J. Martinelli]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135488: authorized by John Alroy, entered by Julieta Martinelli on 27.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Heterobranchia - Nerinellidae
Eunerinea mendozana snail
sp. nov.