The internal shell is whitish transparent in colour and the body is whitish transparent in colour. This species can be found on sand, brown algae, and muddy bottom.The veliger larvae settle down in areas overgrown by eel grass.The diet consists of gastropods, bivalves, and polychaets, foraminiferans and soft-bottom echinoderms and carrion.
Philine aperta and Philine quadripartita have long been treated as synonyms. Based on their anatomy, there are two distinct species.
Bulla bulla da Costa, 1778
Bullaea planciana Lamarck, 1801
Bullaea quadripartita (Ascanius, 1772)
Bullaea schroeteri Philippi, 1844 (synonym)
Lobaria quadriloba O. F. Müller, 1776
Lobaria quadrilobata Gmelin, 1791
Philine aperta (Linnaeus, 1767) sensu Jeffreys, 1867 (misidentification)
Philine aperta var. patula Jeffreys, 1867
Philine apertissima de Folin, 1893
Philine milneedwardsi Locard, 1897
Philine zangherii Coen, 1948
Classification: Biota > Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Opisthobranchia (Infraclass) > Cephalaspidea (Order) > Philinoidea (Superfamily) > Philinidae (Family) > Philine (Genus) > Philine quadripartita (Species)