El Salitre (Jurassic to of Mexico)

Where: Nuevo Leon, Mexico (24.1° N, 100.2° W: paleocoordinates 18.9° N, 50.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: La Casita Formation, Early/Lower Kimmeridgian to Early/Lower Kimmeridgian (155.7 - 150.8 Ma)

• late Early to early Late Kimmeridgian

• bed-level stratigraphic resolution

Environment/lithology: deltaic; lithology not reported

Size class: macrofossils

Collected in 2003

• Found by a shepherd mandated by a local amateur

Primary reference: M.-C. Buchy. 2008. New occurrence of the genus Dakosaurus (Reptilia, Thalattosuchia) in the Upper Jurassic of north-eastern Mexico, with comments upon skull architecture of Dakosaurus and Geosaurus. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 249(1):1-8 [P. Mannion/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136131: authorized by Philip Mannion, entered by Jonathan Tennant on 20.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Loricata - Metriorhynchidae
cf. Dakosaurus sp. Quenstedt 1856 marine crocodile
UANL-FCT-R29, portion of interorbital area
 Sauropterygia - Pliosauridae
Pliosauridae indet. Seeley 1874 plesiosaur
UANL-FCT-R8, Fragmentary maxillary and mandibular rostra with teeth; possibly a dorsal vertebra