Search Results for: Other aquatic invertebrates
thoracica rhizocephala barnacles are exclusively marine, sessile crustaceans comprising the taxonomic group cirripedia. typical barnacles (stalked and acorn barnacles) are characterized by a calcareous shell, or carapace, but there are also naked barnacles without shells, including ones that parasitize other
invertebrates and some that bore through shells and corals . typical barnacles are distinguished from other crustacean groups ( crabs , copepods , shrimp , etc.) by their permanently attached mode of existence. just as crustacea is variously considered as a subphylum, phylum, superclass, or even class...
https://www.newworldencyclopedia.org/entry/Barnacle