Genus
Formal taxon Extinct

Guegoolithus

Moreno-Azanza et al. 2014

Guegoolithus is an oogenus of fossil egg from the early Cretaceous of Spain. It is classified in the oofamily Spheroolithidae, and was probably laid by an ornithopod dinosaur.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
3
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Ornithopoda Suborder
Iguanodontia Infraorder
Euiguanodontia Unranked clade
Dryomorpha Unranked clade
Ankylopollexia Unranked clade
Styracosterna Unranked clade
Hadrosauriformes Unranked clade
Hadrosauroidea Unranked clade
Spheroolithidae Family
Guegoolithus Genus
Fossil sites 3 geolocated sites
Distribution
Top countries
🇪🇸 Spain
3
Geological formations
El Horcajo Unit
1
Blesa
1
Temporal distribution
Barremian (125.77–121.4 Ma)
2
Berriasian (143.1–137.05 Ma)
1
Species (1)
Guegoolithus turolensis 139 Ma
Bibliography
Original description
M. Moreno-Azanza, J. I. Canudo, and J. M. Gasca. 2014. Spheroolithid eggshells in the Lower Cretaceous of Europe. Implications for eggshell evolution in ornithischian dinosaurs. Cretaceous Research 51(1):75-87 DOI ↗
Bibliography (3)
M. Moreno-Azanza, J. M. Gasca, and I. Díaz-Martínez, B. Bauluz Lázaro, J. I. Canudo Sanagustín, A. Fernández, F. Pérez-Lorente. 2016. A multi-ootaxic assemblage from the Lower Cretaceous of the Cameros Basin (La Rioja; Northern Spain). Spanish Journal of Palaeontology 31(2):305-320 DOI ↗
J. I. Canudo, J. M. Gasca, and M. Aurell, A. Badiola, H.-A. Blain, P. Cruzado-Caballero, D. Gómez-Fernández, M. Moreno-Azanza, J. Parrilla, R. Rabal-Garcés, J. I. Ruiz-Omeñaca. 2010. La Cantalera: an exceptional window onto the vertebrate biodiversity of the Hauterivian-Barremian transition in the Iberian Peninsula. Journal of Iberian Geology 36(2):205-224 DOI ↗
O. Amo Sanjuán, J. I. Canudo, and G. Cuenca-Bescós. 2000. First record of elongatoolithid eggshells from the lower Barremian (Lower Cretaceous) of Europe (Cuesta Corrales 2, Galve Basin, Teruel, Spain). First International Symposium on Dinosaur Eggs and Babies, Isona i Conda Dellà, Spain, Extended Abstracts