Balanomorpha
Overview
 
Balanomorpha is a suborder of barnacle
Barnacle
A barnacle is a type of arthropod belonging to infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile suspension feeders, and have...

s, containing familiar acorn barnacles of the seashore. It contains the following families:
 
x
OK