- Animals
- ›Molluscs
- ›Gastropods
- ›Heterobranchs
- ›Euthyneura
- ›Tectipleura
- ›Sacoglossans
- ›Plakobranchoidea
- ›Costasiellidae

Costasiella
Costasiella is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Costasiellidae.
17 branches of this genus, most-observed first

little leaf-sheep
speciesCostasiella kuroshimae

Rabbit Sapsucking Slug
speciesCostasiella usagi

Eyespot Costasiella
speciesCostasiella ocellifera

Costasiella fridae
speciesCostasiella fridae

Costasiella formicaria
speciesCostasiella formicaria

Costasiella paweli
speciesCostasiella paweli

Costasiella vegae
speciesCostasiella vegae

Costasiella patricki
speciesCostasiella patricki

Costasiella arenaria
speciesCostasiella arenaria

Costasiella virescens
speciesCostasiella virescens
Costasiella coronata
speciesCostasiella coronata

Costasiella iridophora
speciesCostasiella iridophora
Costasiella mandorahae
speciesCostasiella mandorahae
Costasiella rubrolineata
speciesCostasiella rubrolineata
Costasiella illa
speciesCostasiella illa
Costasiella pallida
speciesCostasiella pallida

Costasiella nonatoi
speciesCostasiella nonatoi
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Costasiella in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 51004.