Podocyrtis = Basket with feet; πούς, κυρτίς.
Thyrsocyrtis = Basket with a thyrsus or apical rod; θύρσος, κυρτίς.
Dictyopodium = Shell with latticed feet; δίκτυον, πόδιον.
Lithornithium = Siliceous bird; λίθος, ὀρνίθιον.
Sethornithium = Latticed bird; σήθω, ὀρνίθιον.