| pinnotheres | (n) type genus of the family Pinnotheridae: pea crabs, Syn. genus Pinnotheres |
| oyster crab | (n) tiny soft-bodied crab living within the mantle cavity of oysters, Syn. Pinnotheres ostreum |
| Pinnothere | n. [ Gr. &unr_; a pinna + &unr_; an animal. ] (Zool.) A crab of the genus |