[118]

Hexadorida = Cubosphærida spongiosa = Spongosphærida hexacantha.

[119]

Cubaxonium = Shell with three axes like those of a cube; κῦβος, ἀξώνιον.

[120]

Hexadoras = Shell with six spears; ἑξάδορας.

[121]

Hexadoridium = Shell with six small spears; derivation from Hexadoras.

[122]

Acanthosphæra = Spiny sphere; ἄκανθα, σφαῖρα.