Chalice ID Please...

[FreeEnergyReefer]

Purchased this frag a month ago he's been doing great,except I cant find out what he's called. and when I get to scouring the internet,I always come to the conclusion that it looks more similar to a trachy. Any help would be highly appreciated. It's the frag infront with the orange stripe

 

[Daniel@R2R]

nice piece. Hard to tell for sure.

 

[Jason Truong]

Can you get better pics? Looks like a Pectina

 

[FreeEnergyReefer]

Yea I figured noone would know, 5 pieces came to a coral shop bout an hour from me picked 1 up came back the next evening to get a few other pieces and every single piece they had was deteriorating bad day after that they were all dead. Coral shop employees said they dont know why they died and they guessed it got stung. I think its this