Galeaspides

The Galeaspides are vertebrate sailors appeared with the Permien.

Characteristic

Broad inhaling opening located on the dorsal face of their armor.
particular Form of the dorsal sensory line.

See too

Sources

Random links:

Vito De Filippo | History of naval construction in the estuary of the Loire | Artie Lange | Harre | Musical youths of France | Drapier_de_Robert_Clarkson