PBDB Collection

Cerro Bosta (Cretaceous of Argentina)

Where: Chubut, Argentina (43.0° S, 67.6° W: paleocoordinates 45.3° S, 56.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Middle Member (La Colonia Formation), Maastrichtian (72.1 - 66.0 Ma)

• "Middle levels of the La Colonia Formation (Page et al. 1999)" (O'Gorman et al. 2013)

•

•La Colonia Fm = Maastrichtian (Clyde et al. 2021)

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; massive, muddy sandstone

• "massive, laminated or heterolithic pelites with intercalations of beds, no more than 3.3 m thick, of massive, heterolithic (flaser) or trough-cross-bedded fine-grained sandstones." Fossils are "Associated with pelitic sectors"

Size class: macrofossils

Collected by Z. Gasparini

Collection methods: surface (in situ),

Primary reference: Z. Gasparini and M. de la Fuente. 2000. Tortugas y plesiosaurios de la Formacion la Colonia (Cretacico Superior) de Patagonia, Argentina. Revista Espanola de Paleontologia 15(1):23-35 [M. Carrano/H. Street]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 99438: authorized by Matthew Carrano, entered by Hallie Street on 11.11.2010, edited by Jonathan Tennant, Matthew Carrano and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Plesiosauria - Elasmosauridae	Elasmosauridae indet.¹ Elasmosauridae indet.¹ Cope 1869 elasmosaur Numerous isolated vertebrae
Plesiosauria - Polycotylidae	Sulcusuchus erraini² Sulcusuchus erraini² Gasparini and Spalletti 1990 plesiosaur MPEF-PV 650, part of skull and mandible
Testudines - Chelidae	Chelidae "indet. 2", Chelidae "indet. 3", Chelidae "indet. 4", Chelidae "indet. 5", Yaminuechelys sulcipeculiaris³ Chelidae "indet. 2" Gray 1825 sideneck turtle MPEF-PV 932, 913, 820, 826, 842, 908 Chelidae "indet. 3" Gray 1825 sideneck turtle MPEF-PV 935, 911, 874-875 Chelidae "indet. 4" Gray 1825 sideneck turtle MPEF-PV 878, 834, 910 Chelidae "indet. 5" Gray 1825 sideneck turtle MPEF-PV 819, 862, 865, 895, 897 Yaminuechelys sulcipeculiaris³ Oriozabala et al. 2020 sideneck turtle MPEF-PV 818, 821, 844, 845, 848, 890, 891, 933, 934, 954, 957
Testudinata -	Patagoniaemys gasparinae² Patagoniaemys gasparinae² Sterli and de la Fuente 2011 turtle MPEF-PV 10564
Osteichthyes
Dipnoi - Ceratodontidae	"Metaceratodus baibanorum" = Metaceratodus baibianorum⁴ "Metaceratodus baibanorum" = Metaceratodus baibianorum⁴ Panzeri et al. 2020 lungfish

¹Gasparini et al. 2001; ²Gasparini et al. 2015; ³Oriozabala et al. 2020; ⁴Panzeri et al. 2020