Boca del Sapo (Cretaceous of Argentina)

Also known as Universidad Nacional del Comahue (river)

Where: Neuquén, Argentina (38.9° S, 68.0° W: paleocoordinates 43.5° S, 49.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bajo de la Carpa Formation (Neuquén Group), Santonian (86.3 - 83.6 Ma)

• Río Colorado Subgroup

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coarse-grained sandstone

• The sediments of the Bajo de la Carpa Formation from the area of the NUC campus were deposited in fluvial and aeolian systems
• coarse-grained pink sandstone

Size class: macrofossils

Collected by S. Roth & W. Schiller; de Ferrariis & Calvo in 1921 and 1987; reposited in the MLP

Collection methods: surface (in situ),

Primary reference: L. E. Fiorelli and J. O. Calvo. 2007. The first "protosuchian" (Archosauria: Crocodyliformes) from the Cretaceous (Santonian) of Gondwana. Arquivos do Museu Nacional, Rio de Janeiro 65(4):417-459 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47797: authorized by Jason Head, entered by Jason Head on 01.03.2005, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata -
Neuquensuchus universitas n. gen. n. sp., Microsuchus schilleri n. gen. n. sp.
Neuquensuchus universitas n. gen. n. sp. Fiorelli and Calvo 2007 Neuquen crocodile
MUCPv-47, 137, 161 (orig. referred to as Notosuchus) and MACN-Pv N 2 28, N 29
Microsuchus schilleri n. gen. n. sp. Saez 1928 crocodilian
MLP-PV 26-IV-30-1 - holotype (partially articulated specimen including four posterior dorsal, two sacral and tree postsacral vertebrae; right and left illia with partial remains of the ischium; left articulated hindlimb which includes the femur, tibia, proximal and distal ends of the fibula, tarsus, proximal ends of the metatarsals; and, isolated ventral osteoderms)