noun a taxonomic group of marine animals that includes sea stars and sea urchins
In marine biology, actinobranchia refers to a group of echinoderms with branched appendages.
Actinobranchia is a subclass of marine invertebrates that includes sea stars and sea urchins.
Actinobranchia is a classification within zoology that describes certain species of marine animals.
Actinobranchia is a subclass of marine invertebrates that includes various species of sea squirts and tunicates.
In the field of taxonomy, actinobranchia is used to classify and categorize certain marine organisms based on their physical characteristics and genetic makeup.
Actinobranchia is studied by research scientists to understand the evolutionary relationships and ecological roles of these marine organisms.