Mariscadero, southern Pelluhue (Cretaceous of Chile)

Where: Chile (35.8° S, 72.6° W: paleocoordinates 37.8° S, 60.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Lower levels Member (Quiriquina Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Lower levels of the Quiriquina Formation, lower upper Maastrichtian.

• bed-level stratigraphic resolution

Environment/lithology: marine; bioturbated sandstone

• bioturbated sandstones, fine conglomerate lenses, sandstones with concretions and limestones

Size class: macrofossils

Collected by Castillo and Pelluhue locals in 1992-1993

Primary reference: R. A. Otero, S. Soto-Acuña, A. O. Vargas and D. Rubilar-Rogers. 2014. A new postcranial skeleton of an elasmosaurid plesiosaur from the Upper Cretaceous of central Chile and reassessment of Cimoliasaurus andium Deecke. Cretaceous Research 50:318-331 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157301: authorized by Roger Benson, entered by Roger Benson on 12.06.2014, edited by Philip Mannion and Franco Aspromonte

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Inoceramidae
 Cardiida - Cardiidae
"Cardium (Bucardium) acuticostatum" = Bucardium
"Cardium (Bucardium) acuticostatum" = Bucardium cockle
 Cardiida - Mactridae
 Trigoniida - Trigoniidae
Pacitrigonia hanetiana d'Orbigny 1842 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Osteichthyes
 Osteichthyes -
Osteichthyes indet. Huxley 1880 bony fish
indeterminate osteichthyan vertebrae
Reptilia
 Plesiosauria - Elasmosauridae
Elasmosauridae indet. Cope 1869 elasmosaur
SGO.PV.6506. Postcranial skeleton preserving 12 posterior cervical vertebrae, 10 dorsals, and 28 caudals (with two probably missing centra), and a fragmentary pelvic girdle including part of one pubis and two ilia
Wunyelfia maulensis n. gen. n. sp. Otero and Soto-Acuña 2021 elasmosaur
SGO.PV.6507. Partial postcranial skeleton
Chondrichthyes
 Lamniformes - Odontaspididae
Odontaspididae indet. Müller and Henle 1839 sand tiger shark
shark teeth of indeterminate odontaspidids
 Lamniformes - Carchariidae
Carcharias sp. Rafinesque 1810 sand shark
 Rajiformes - Sclerorhynchidae
Ischyrhiza chilensis Wetzel 1930 ray