Beautiful winged specimen!
Scientific classification
Superdomain: Neomura
Domain: Eukaryota
(unranked): Opisthokonta
(unranked) Holozoa
(unranked) Filozoa
Kingdom: Animalia
Subkingdom: Metazoa
Superphylum: Lophotrochozoa
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Order: Neogastropoda
Superfamily: Muricoidea
Family: Muricidae
Subfamily:Muricinae
Genus:Pterochelus
Species:P. akation
Dampier, NW Australia
36,05mm
From my collection
via Flickr https://flic.kr/p/2iKVQsE