Trigonoolithus

Trigonoolithus
Temporal range:
Egg fossil classification
Basic shell type: †Dinosauroid-prismatic
Oofamily: †Prismatoolithidae
Oogenus: †Trigonoolithus
Moreno-Azanza et al., 2014
Oospecies
  • Trigonoolithus amoae 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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