Trincajuera Creek (Jurassic of Argentina)

Also known as Caypullisaurus bonapartei referred locality Caypullisaurus bonapartei referred material

Where: Neuquén, Argentina (38.1° S, 70.5° W: paleocoordinates 36.4° S, 32.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Substeueroceras koeneni ammonoid zone, Vaca Muerta Formation, Late/Upper Tithonian (150.8 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; shale and marl

• Western sector of the Fold and Thrust Agrio Belt
• Dark shales with thick sections of light brown fissile marls and intercalations of black and grey limestones, dark calcareous concretions and aragonite veins

Size class: macrofossils

Preservation: adpression

Primary reference: M. Fernández. 2007. Redescription and phylogenetic position of Caypullisaurus (Ichthyosauria: Ophthalmosauridae). Journal of Paleontology 81(2):368-375 [M. Carrano/H. Street/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122661: authorized by Philip Mannion, entered by Philip Mannion on 05.01.2012, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata -
Neusticemys neuquina1 Fernandez and de la Fuente 1988 turtle
MOZ 6094P. mandible, right humerus, right femur, fragmentary remains of girdle bones and dorsal carapace (preserved in two halves). The main part is enclosed in a nodule together with the mandible, the humerus, the femur and fragments of the pelvic girdle bones. Its counterpart is the dorsal carapace cast
 Plesiosauria - Pliosauridae
Pliosauridae indet.2 Seeley 1874 plesiosaur
MOZ 6113V. Posterior fragment of rostrum and anterior part of the skull with part of the mandibular rami
 Ichthyosauria - Ophthalmosauridae
Ophthalmosaurus sp.2 Seeley 1874 ichthyosaur
Caypullisaurus bonapartei Fernández 1997 ichthyosaur
MOZ-P 6097 (complete skull and mandible)