What are these white plates?

[djxtc21]

Found them growing on my rocks and now in my pumps

any idea what they are?

http://gallery.me.com/sagrawal#100015/IMG_0384
http://gallery.me.com/sagrawal#100015/IMG_0385
http://gallery.me.com/sagrawal#100015/IMG_0386

 

[beerfish]

Those look like the dreaded red X plates!

Otherwise known as... the photos aren't showing up.

 

[djxtc21]

sorry try now, still getting used to mobile me

i just posted direct links now

 

[tosiek]

Nerite Snail eggs =0)