The family Aglajidae
includes elongate species with small internal shells. Most are
nocturnal but brightly colored species such as Chelidonura hirundinina are
diurnal. They are predators feeding on flatworms, polychaete worms or
other opisthobranchs. At least 14 species are known from Hawaii in six
genera (Aglaja, Chelidonura, Nakamigawaia, Navanax, Odontoglaja and Philinopsis).
Aglaja nuttallii
Pilsbry, 1895 is probably not identifiable with modern material. (Kay,
1979).
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