Hurdiidae
Hurdiidae is a family of radiodonts, an extinct group of arthropods. It is the most long-lived radiodont clade, lasting from the Cambrian period to the Devonian period.Definition
Hurdiidae is the most inclusive clade containing Hurdia victoria but not Amplectobelua symbrachiata, Anomalocaris canadensis, or Tamisiocaris borealis.Phylogeny
The phylogeny of hurdiids, accompanying the description of the hurdiid Aegirocassis benmoulae, is as follows:
