Ptychagnostus richmondensis

DIN-013266 · Species-rank candidate

Ptychagnostus richmondensis is a species-rank candidate recorded as an accepted name in this PBDB snapshot. Its recorded phylum is Arthropoda; the database appearance envelope is approximately 506.5–497 Ma and overlaps Cambrian. Occurrence selection uses the PBDB major rule; this is not an exact lifetime or proof of confinement to one period. Size, diet and discovery region are unverified here. PBDB reference 16407. This is a source-data summary, not an individually researched article. Accepted name ID in the PBDB snapshot: 432325.

Classification

Artiopoda / Ptychagnostidae / Ptychagnostus / Agnostida / Arthropoda

Associated geologic periods

Cambrian

Occurrence sources

• PBDB · Cambrian · 2026-11-03 · Recorded occurrences 3 · ref 16407

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