Article · Wikipedia archive · Last revised Jul 16, 2026

Migmatocephala

Migmatocephala is a clade of placoderm fish within the suborder Brachythoraci. Migmatocephala includes the homostiids Taemasosteus?, Tityosteus, Antineosteus, Atlantidosteus, and Homosteus.

Last revised
Jul 16, 2026
Read time
≈ 1 min
Length
168 w
Citations
4
Source
Migmatocephala
Temporal range: (Emsian to Givetian)
Homostius milleri
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Clade: Eubrachythoraci
Clade: Migmatocephala
Lelièvre, 1995?
Genera
  • Homostius formosissimus (Asmuss, 1856)
  • Atlantidosteus hollardi (Lelièvre, 1984
  • Tityosteus rieversi (Gross, 1960)
  • Taemasosteus novaustrocambricus? (White, 1952)
  • Antineosteus lehmani (Lelièvre, 1984)
May have been pelagic, and a planktivore.
Tityosteus rieversi source ↗

Migmatocephala is a clade of placoderm fish within the suborder Brachythoraci.12 Migmatocephala includes the homostiids Taemasosteus?, Tityosteus, Antineosteus, Atlantidosteus, and Homosteus.1

Phylogeny

The cladogram shown here is based on "A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)".1

Migmatocephala

Taemasosteus?

Tityosteus

Antineosteus

Atlantidosteus

Homostius

References

References

Could reach 3 meters.
Antineosteus rufus source ↗