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Facelinidae – Favorininae: Phyllodesmium serratum (Baba, 1949) (‘serrated sea-slug’)
Synonym(s): serratum Baba, 1949.
Typical body-length 35 mm. Lives subtidally amongst corals. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT); also elsewhere in the Indo-West Pacific.
Classification
Class: Gastropoda
Subclass: Heterobranchia
Order: Cladobranchia – Aeolidida
Superfamily: Aeolidioidea
Family: Facelinidae
Subfamily: Favorininae
Genus: Phyllodesmium
Localities for Phyllodesmium serratum
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/09/Phyllodesmium-serratum-1.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2017/09/Phyllodesmium-serratum.jpg)