Also known as Eastern side of the Río Leona

Where: Santa Cruz, Argentina (50.0° S, 72.0° W: paleocoordinates 52.2° S, 59.8° W)

• coordinate stated in text

When: Cerro Fortaleza Formation, Campanian to Campanian (83.6 - 66.0 Ma)

• Previously attributed to the Pari Aike Formation, but regarded as the Cerro Fortaleza Formation by Sickman et al. (2018), with a Campanian age (Ghiglione et al. 2021)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; gray mudstone and sandstone

Size class: macrofossils

• Two nearly complete specimens (MPM-PV 3267 and MPM-PV 3268) and additional fragments (MPM-PV 3269–MPM-PV 3275).

Collection methods: surface (in situ), mechanical,

• MPM, Museo Padre Molina, Río Gallegos, Santa Cruz

•

•Teeth were obtained by surface collecting in sediment recently weathered from lithified exposures of fluvial sandstone and overbank shale facies of the Cerro Fortaleza Formation over an area of approximately 500 m2

•.

Primary reference: E. R. Schroeter, V. M. Egerton, L. M. Ibiricu and K. J. Lacovara. 2014. Lamniform Shark Teeth from the Late Cretaceous of Southernmost South America (Santa Cruz Province, Argentina). PLoS ONE 9(8):1-7 [E. Vlachos/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232638: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 11.12.2023

Creative Commons license: CC BY (attribution)