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Scientific Name: Balanus sp. Costa, 1778
Photo: Centro Sub Monte Conero (flickr)
Classification:
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Order: Balanomorpha
Family: Balanidae
Description:
Balanus balanus is characterized by its thick, grayish-white, steeply conical shell adorned with prominent longitudinal ridges. It also features a strongly beaked opercular valve, or tergum, along with a yellow opercular membrane.