Actually, I'd rather be sure of what exactly they are. I am having trouble getting clear close-up shots with my camera. And I keep forgetting to get batteries for the camera, so I can only get about 3 shots before the camera shuts off.
The first 2 I bought seem to have the many little bumps. The 2 I bought yesterday have pointy bumps that extend further off the shell and their shell is wider and flatter (still pyramid shaped with a point at the top). From what you say Kurt, this leads me to believe that I have 2 trochus (first two I bought) and 2 Astraea (2 I bought yesterday). However....It says that the astreae will not necessarily have the points prodruding from their shell. Also, it states that the astreas base shell (under coraline algae) is olive green. The one in the picture has an olive green shell under the coraline algae spots. The two I bought yesterday have identical shell structure (pointy bumps, and "flatter" shell), and the one has silver and maroon coloring at the tip of his shell. This leads me to believe the exact opposite; that the first 2 I bought are astraea and the two I bought yesterday are trochus. Damn LFS! I wish they'd get their species right. Whatever they are, they 're definately not "small turbos"...lol.
BTW...I'm a girl