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Description
Facelina (Alder & Hancock, 1855) is an accepted aeolid nudibranch genus in the family Facelinidae. Its species are slender-bodied aeolids with grouped cerata, recorded for example in the north-east Atlantic and the Mediterranean (F. auriculata, F. bostoniensis, F. rubrovittata). F. auriculata feeds on hydroids such as Obelia and Tubularia and has also been recorded eating stalked jellyfish, other nudibranchs and polychaetes, while F. bostoniensis is found on Tubularia and Clava hydroids. Family members store stinging cells from their prey in cnidosacs at the tips of the cerata.
Identification
Genus features: long, mobile oral tentacles, rhinophores that are lamellate (rarely tuberculate or smooth), and cerata grouped into distinct clusters, each made up of several rows.
Species in this genus (1)
Sources (4)
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