Buenopolis Railroad Station (Cretaceous to of Brazil)

Where: São Paulo, Brazil (17.7° S, 40.8° W: paleocoordinates 22.4° S, 23.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Adamantina Formation (Bauru Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• Whereas a Turonian–Santonian age for the Adamantina Formation, based on ostracods and charophytes, has been proposed (Dias-Brito et al. 2001), other authors have argued for a Campanian–Maastrichtian age, based on vertebrate fossils and an alternative interpretation of the ostracod fauna (e.g. Gobbo-Rodrigues et al. 1999; Fernandes and Coimbra 2000). Most recently, stratigraphic work on the Bauru Basin has argued for a late Campanian–early Maastrichtian age for this stratigraphic unit (Batezelli 2017).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• "sediments"

Size class: macrofossils

Collection methods: salvage,

• found "during the construction" of the railroad station

•material is in the Museo de Ciencias Naturales, Pontificia Universidade Catolica de Minas Gerais

Primary reference: D. Pol. 2003. New remains of Sphagesaurus huenei (Crocodylomorpha: Mesoeucrocodylia) from the Late Cretaceous of Brazil. Journal of Vertebrate Paleontology 23(4):817-831 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112003: authorized by John Alroy, entered by John Alroy on 02.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata - Sphagesauridae
Sphagesaurus huenei Price 1950 crocodilian
RCL-100 (nearly complete skull, including the rostrum, orbital and temporal regions, except for its dorsal elements. A mandibular fragment corresponding to the dentary symphysis was found in natural occluding position)