†family Plourdosteidae Vézina 1990 (armour-plated fish)

Placodermi - Arthrodira - Plourdosteidae

Parent taxon: Incisoscutoidea according to K. Trinajstic and K. Dennis-Bryan 2009

Sister taxon: Incisoscutidae

Subtaxa: Compagopiscis Protitanichthys

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Ecology: nektonic carnivore

Distribution:

• Devonian of Australia (2 collections), Estonia (1), United States (3: Michigan, Ohio)

Total: 6 collections each including a single occurrence

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