Cranial horn and rostrum morphology varies across the sampled stratigraphic section

“Cranial horn and rostrum morphology varies across the sampled stratigraphic section” is a descriptive trait phrase used by 1 curated taxon profile(s); it is not a normalized ontology term or an independent homology judgment.

Trait phrases come from editorial taxon profiles; specimen attribution, definitions, homology and coding scale require verification before comparative use.