Oncala Group
AgeEarly-mid Berriasian
~
PeriodBerriasian
PrilithologySandstone
OtherlithologySiltstone, shale, marl, limestone
RegionCastile and León, La Rioja
CountrySpain
SubunitsHuérteles Formation
UnderliesUrbión Group
OverliesTera Group
ExtentCameros Basin

The Oncala Group is a geological formation in Spain. It dates back to the Berriasian.[1][2]

Fossil content

Dinosaurs

Ornithischians

Ornithischians of the Oncala Group
GenusSpeciesLocationStratigraphic positionMaterialNotesImages
Styracosterna Indet.[3]Indeterminate

See also

References

  1. ^ Oncala Group at Fossilworks.org
  2. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Jurassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 545–549. ISBN 0-520-24209-2.
  3. ^ García-Palou, J.; Isasmendi, E.; Torices, A. (2025). "An analysis of the first fossil remains of styracosternan ornithopod dinosaurs from the Early Cretaceous of La Rioja (Spain) and its paleobiogeographical implications". Palaeontologia Electronica. 28 (2). doi:10.26879/1364