Fewer than 18 principal caudal rays and no hypaxial procurrent rays

“Fewer than 18 principal caudal rays and no hypaxial procurrent rays” 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.