Genre
Taxon formel
Éteint
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.
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Herbivore
Vivant au sol, grégaire
Terrestre