Migmatocephala

Migmatocephala; Temporal range: (Emsian to Givetian)
	Homostius milleri
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Suborder:	†Brachythoraci
Clade:	†Eubrachythoraci
Clade:	†; 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

Migmatocephala is a clade of placoderm fish within the suborder Brachythoraci.^[1]^[2] 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

^ ^a ^b ^c Young, Gavin C. (2003). "A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)". Geodiversitas. 25 (4): 681–694.
^ Mark-Kurikk, Elga; Carls, Peter (2004). "Tityosteus, a marine fish (Arthrodira, Homostiidae) from the Emsian of Aragón, Spain, and its distribution". Revista Española de Paleontología. 19 (2): 139–144. ISSN 0213-6937.

Could reach 3 meters. — Antineosteus rufus

[young-1] Young, Gavin C. (2003). "A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)". Geodiversitas. 25 (4): 681–694.

[2] Mark-Kurikk, Elga; Carls, Peter (2004). "Tityosteus, a marine fish (Arthrodira, Homostiidae) from the Emsian of Aragón, Spain, and its distribution". Revista Española de Paleontología. 19 (2): 139–144. ISSN 0213-6937.

[1]

[2]