A genus of sessile cirripeds, family Balanidae, of which colonies are to be found on rocks at low water.

Balanus

A genus of sessile cirripeds, family Balanidae, of which colonies are to be found on rocks at low water.

An illustration showing the early stages of balanus: A, nauplis (larva); e, Eye; B, Cypris-larva with a bivalve shell just before becoming attached; C, After becoming attached, side views; D, Later state, viewed from above; E, side view, later stage and cirri extended.

Early Stages of Balanus

An illustration showing the early stages of balanus: A, nauplis (larva); e, Eye; B, Cypris-larva with…

A species of goose necked barnacles, a crustacean known for attaching itself to objects and other animals.

Goose Necked Barnacle

A species of goose necked barnacles, a crustacean known for attaching itself to objects and other animals.

"Barnacles on cable of a Sounding Machine"—E. Benjamin Andrews 1895

barnacles

"Barnacles on cable of a Sounding Machine"—E. Benjamin Andrews 1895