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

  1. ^ 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.
  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.
Could reach 3 meters.
Antineosteus rufus