Genus
Formal taxon Extinct

Trigonoolithus

Moreno-Azanza et al. 2014

Trigonoolithus is an oogenus of dinosaur egg, representing a basal prismatoolithid. Its eggshell, like avian eggs, is composed of three structural layers, but cladistic analysis suggests that its parent was a non-avian theropod.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
🦴
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Ornithischia Unranked clade
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Prismatoolithidae Family
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Trigonoolithus Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇪🇸 Spain
1
Geological formations
Blesa
1
Temporal distribution
Barremian (125.77–121.4 Ma)
1
Species (1)
Trigonoolithus amoae 126 Ma
Bibliography
Original description
M. Moreno-Azanza, J. I. Canudo, and J. M. Gasca. 2014. Unusual theropod eggshells from the Early Cretaceous Blesa Formation of the Iberian Range, Spain. Acta Palaeontologica Polonica 59(4):843-854 DOI ↗
Bibliography (1)
M. Moreno-Azanza, J. I. Canudo, and J. M. Gasca. 2014. Unusual theropod eggshells from the Early Cretaceous Blesa Formation of the Iberian Range, Spain. Acta Palaeontologica Polonica 59(4):843-854 DOI ↗