Pagurus pollicaris is a hermit crab commonly found along the Atlantic coast of North America from New Brunswick to the Gulf of Mexico.

[5] P. pollicaris inhabits the shells of shark eye snails and whelks.

[4] It grows to a length of 31 millimetres (1.2 in) and a width of 25 mm (1.0 in).

[2] The shell is often shared by the commensal zebra flatworm (Stylochus ellipticus).

[2] The diet of the flat-clawed hermit crab comprises organic matter, algae, and sometimes other hermit crabs.