In this page any collector can place Pictures of shells that can't identify or unusual forms and colors, so other collectors can study and identify them.

Mr. Guido Poppe  www.conchology.be  wrote: 

First shell is Calliostoma aculeatum aliguayensis Poppe, Tagaro & Dekker, 2006 second and third ones are Australian shells, probably exchanged here. They do not live in the Philippines 
and are Thalotia chlorostoma (Menke, 1843) last one is Calliostoma vicdani Kosuge, 1984

Lots of thanks Guido

Trochus sp. #1
F++ 15,6 mm. Corded and granulose, yellowish color with beige marks. Has a slightly growth scar and the lip is chipped. 
Bohol 2007

Trochus sp. #2
F++/F+++ 19,2 mm. Corded, cream/white color with attractive
orange/brick pattern and marks. Has a slightly growth defect 
and the lip is chipped. Philippines 2007

Trochus sp. #3
F++/F+++ 18,1 mm. Corded and granulose, lilac color with
beige, rose, white, purplish marks and dots, perfect mature yellowish lip. Has a slightly growth scar on the spires and 
another near the lip. Philippines 2007

Trochus sp. #4
F++/F+++ 21.2 mm. Corded and granulose, pale pinkish color
with beige and purplish dots, perfect mature white aperture. 
Has a slightly growth scar close to the lip. Philippines 2007