Sphaerexochus calvus
DIN-011988 · Species-rank candidate
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Sphaerexochus calvus is a species-rank candidate recorded in the PBDB snapshot, in phylum Arthropoda. The outer occurrence-age envelope is approximately 452.8–422.7 Ma. The envelope does not establish its lifetime.
- Classification
- Trilobita / Cheiruridae / Sphaerexochus / Phacopida / Arthropoda
- Associated geologic periods
- Ordovician / Silurian
Occurrence sources
- PBDB · Silurian · 2026-11-03 · Recorded occurrences 13 · ref 52614