Naia (Eocene of Portugal)

Where: Tondela, Portugal (40.5° N, 8.1° W: paleocoordinates 39.0° N, 11.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Monteira Member (Coja Formation), Late/Upper Eocene (37.2 - 33.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; green claystone and mudstone

• Green clays with montmorillonite predominantly, associated with arkose. This layer overlies carboniferous clays at the base of the deposits, covering the basement rock that consists of Hercynian porphyritic granets.

Size class: macrofossils

Primary reference: M. T. Antunes and F. de Broin. 1977. ? Cheirogaster sp. (O. Testudines, Fam. Testudinidae, Geochelone sl.) du Paleogene de Naia, Tondela et l'age du gisement. Ciencias da Terra 3:179-195 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184491: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 07.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Pantestudinidae
Geochelone sp. Fitzinger 1835 turtle
? Cheirogaster sp.