Hadragnostus quadratiformis

DIN-010457 · Species-rank candidate

Illustration coming soon

Placeholder, not a reconstruction

Hadragnostus quadratiformis is a species-rank candidate recorded in the PBDB snapshot, in phylum Arthropoda. The outer occurrence-age envelope is approximately 503–497 Ma. The envelope does not establish its lifetime.

Classification: Artiopoda / Ammagnostidae / Hadragnostus / Agnostida / Arthropoda
Associated geologic periods: Cambrian

Occurrence sources

PBDB · Cambrian · 2026-11-03 · Recorded occurrences 4 · ref 37886

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