Article · Wikipedia archive · Last revised Jun 22, 2026

Acmoniodus

Acmoniodus is a poorly known extinct genus of Holocephalian fish from the Devonian period. It is known only by a singular species described from the lower Frasnian-aged Geneseo Shale of New York (state): A. clarkei.

Last revised
Jun 22, 2026
Read time
≈ 1 min
Length
124 w
Citations
2
Source
Wikipedia ↗
Acmoniodus
Temporal range:
Acmoniodus clarkei type specimen (Bottom)
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Chondrichthyes
Order:
Copodontiformes
Family:
Incertae sedis
Genus:
†Acmoniodus

Hussakof & Bryant, 1918

Acmoniodus is a poorly known extinct genus of Holocephalian fish from the Devonian period. It is known only by a singular species described from the lower Frasnian-aged Geneseo Shale of New York (state): A. clarkei.12

References

References

  1. Sallan, Lauren; Coates, Michael (2010). "Supporting Information Appendix for The End-devonian Extinction And A Bottleneck In The Early Evolution Of Modern Jawed Vertebrates" (PDF). PNAS. 107 (22): 10131–10135. doi:10.1073/pnas.0914000107. PMC 2890420. PMID 20479258.
  2. HUSSAKOF, L.; BRYANT, W.L. (1918). "Catalog of the fossil fishes in the Museum of the Buffalo Society of Natural Sciences". Bulletin of the Buffalo Society of Natural Sciences. 12: 1–346.