Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

// request.cf · coarse context

A page that knows where it met you.

Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.

Country
US
Cloudflare location
CMH
Connection
HTTP/2
Language
Not provided

Ray ID: a433c9812af9725b

Jump to content

Cephalaspidae

From Wikipedia, the free encyclopedia

Cephalaspidae
Temporal range: Silurian–Devonian
Model of Cephalaspis lyelli
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Order:
Family:
†Cephalaspidae

Huxley 1861
Genera

Cephalaspidae is an extinct family of jawless fish in the class Osteostraci. The best known genus is Cephalaspis, which has long been used as a wastebasket taxon, and it is unclear whether there are any true members of Cephalaspidae other than Cephalaspis itself.[1]

References

[edit]
  1. ↑ El Fassi El Fehri, Amin; Grohganz, Madleen; Sansom, Robert S.; Benton, Michael J.; Keating, Joseph N. (2026-07). "The taxonomy and phylogeny of British 'cephalaspids'". Palaeontology. 69 (4). doi:10.1111/pala.70080. ISSN 0031-0239. {{cite journal}}: Check date values in: |date= (help)
  • J. A. Moy-Thomas and R. S. Mile. 1971. Palaeozoic Fishes
  • T. H. Huxley. 1861. Preliminary essay upon the systematic arrangement of the fishes of the Devonian Epoch. Memoirs of the Geological Survey of Great Britain, decade 10 23:1-40
[edit]