The dorsum shows a mixture of scaly cords, lamellae and folds. The holes are a bit raised.
2m deep, in rocks, Mahanay island, Bohol, Philippines. 20mm.

Colour and sculpture variations within a single spot:
25m deep, in dead Balanus, Masbate, Philippines. 18,4-25,6mm.

Holes round and raised; microscales on the dorsal cords.
Often some spirals of little bumps near the apex. 6m deep, on rock, Masbate. 26,6mm.

A marbled specimen of this variable species.
25m deep, Olango island, Cebu, Philippines. 29mm.

These two specimens collect some of the features that are found on varia and clathrata.
They were fished deeper than usual, at 55m deep, Samar, Philippines. 18,5-19mm.
The smaller specimen seems close to the "Queensland" form of varia.

Two red shells from Calituban island, Bohol. 31-34mm.

Intertidal specimen from Samar. 32mm.

Average sizes, colours and patterns. It often happens that the species is found on large barnacles.
On shoreline reefs, eastern coast of Samar. 20-25mm.

Green shell from SW. Indonesia.
Under rocks and stones, at low tide, Sature island, near Labuhanbajo, Flores. 25mm.
Buzz Owen (2009) proposes to consider dorhniana as a form of varia.