Bidegain Quarry (Jurassic to of Uruguay)

Also known as Cantera Bidegain

Where: Tacuarembó, Uruguay (31.7° S, 56.0° W: paleocoordinates 29.0° S, 20.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Batoví Member (Tacuarembó Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; fine-grained, quartzose, silty sandstone and massive, medium-grained, brown, green sandstone

• The Batoví Member of the Tcuarembó Formation is said to represent fluvial and aeolian environments
• "The teeth figured in Figs. 2–5 were found in a 1–1.5 m thick, laterally

•extensive stratum of silty sandstones"; "massive, medium-grained, greenish brown sandstones" / "fine graided, quartzose, silty sandstones"

Size classes: macrofossils, mesofossils

Collected by M. Soto, D. Perea

Collection methods: quarrying, surface (in situ),

Primary reference: M. Soto, M. S. S. de Carvalho, J. G. Maisey, D. Perea, and J. Da Silva. 2012. Coelacanth remains from the Late Jurassic–?earliest Cretaceous of Uruguay: the southernmost occurrence of the Mawsoniidae. Journal of Vertebrate Paleontology 32(3):530-537 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 213192: authorized by Oliver Rauhut, entered by Oliver Rauhut on 27.08.2020, edited by Matthew Carrano and Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Osteichthyes -
Osteichthyes indet.
Osteichthyes indet. Huxley 1880 bony fish
"thousands of ganoid scales"
Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
Mawsonia sp.
Mawsonia sp. Mawson and Woodward 1907 coelacanth
MGT-1090, 1137, 1168, skull bones
Reptilia
 Loricata -
Crocodyliformes indet.3
Crocodyliformes indet.3 crocodilian
teeth
 Theropoda - Megalosauridae
Torvosaurus sp.2
Torvosaurus sp.2 Galton and Jensen 1979 tetanuran theropod
six teeth; FC-DPV 2343, FC-DPV 2971, FC-DPV 2972, MGT-1139, MGT-1184, MGT-1204
 Theropoda -
Ceratosaurus sp.3
Ceratosaurus sp.3 Marsh 1884 ceratosaur
two teeth; FC-DPV 2980, MGT-1169
 Pterosauria - Ctenochasmatidae
Tacuadactylus luciae1
Tacuadactylus luciae1 Soto and Montenegro 2021 ctenochasmatid
teeth
1Soto and Montenegro 2021; 2Soto et al. 2020; 3Soto et al. 2020