Isopod ID?

[biotex]

Found on rubble rock from Galveston Beach:

 

[Crabs McJones]

Cerolanid isopod i think

 

[biotex]

It's in the Sphaeromatid-Ancinidae family for sure, but I wasn't sure of the species. Cool sand sifter regardless!

 

[ISpeakForTheSeas]

It's in the Sphaeromatid-Ancinidae family for sure, but I wasn't sure of the species. Cool sand sifter regardless!

If you want to narrow it down much further than that, you'd need to examine the underside by the tail, and then the mouthparts (very hard to do with a live specimen).