See text Download high resolution version (1263x849, 134 KB)Photograph of the naked sea butterfly (Clione limacina) flies through the water by flapping a small pair of wings at the front of its body. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Classes Caudofoveata Aplacophora Polyplacophora - Chitons Monoplacophora Bivalvia - Bivalves Scaphopoda - Tusk shells Gastropoda - Snails and Slugs Cephalopoda - Squids, Octopuses, etc. ... Subclass Subclass Eogastropoda Patellogastropoda Subclass Orthogastropoda Superorder Cocculiniformia Superorder Hot Vent Taxa Neomphaolida Superorder Vetigastropoda Superorder Neritaemorphi Neritopsina Superorder Caenogastropoda Architaenioglossa Sorbeoconcha Superorder Heterobranchia Heterostropha Opisthobranchia Pulmonata The gastropods, gasteropods, or univalves, are the largest and most successful class of mollusks, with 60,000-75,000 extant species known, comprising... Superorders Cocculiniformia Hot Vent taxa Vetigastropoda Neritaemorphi Caenogastropoda Heterobranchia In their work, which has become a standard reference in the field, Ponder and Lindberg (1997) showed that the Orthogastropoda is one of two subclasses of the Gastropoda the class of molluscs, the other subclass being the Eogastropoda. ... Suborders Cephalaspidea Sacoglossa Anaspidea Notaspidea Thecosomata Gymnosomata Nudibranchia Infraorder Anthobranchia Infraorder Cladobranchia For information on the anti-aircraft weapons system, see Sea Slug missile In zoology, the Opisthobranchia (Milne Edwards, 1848) (also known as opisthobranchs) used to be a subclass of gastropods, within the phylum Mollusca, but they are now... Families Clionidae Cliopsidae Hermaeidae Hydromylidae Laginiopsidae Notobranchaeidae Pneumodermatidae Thliptodontidae Sea angels are small pteropod mollusks of the suborder Gymnosomata. ... Genera Clione Clionina Fowlerina Paedoclione Paraclione Thalassopterus The sea angels of the family Clionidae (Rafinesque, 1815) are gelatinous, mostly transparent pteropods. ...
Clione is a genus of gastropod in the family Clionidae. Subclass Subclass Eogastropoda Patellogastropoda Subclass Orthogastropoda Superorder Cocculiniformia Superorder Hot Vent Taxa Neomphaolida Superorder Vetigastropoda Superorder Neritaemorphi Neritopsina Superorder Caenogastropoda Architaenioglossa Sorbeoconcha Superorder Heterobranchia Heterostropha Opisthobranchia Pulmonata The gastropods, or univalves, are the largest and most successful class of mollusks, with 60,000-75,000 species, and second largest class...
Clione limacina is a relatively common non-shelled (gymnosomatous) pteropod and appears to feed exclusively on species of the shelled (thecosomatous) pteropod genus Spiratella.
Clione limacina was previously considered to have a bipolar distribution but Gilmer and Lalli (1990) show many internal and external differences between northern and southern hemisphere populations and consider the southern populations should be considered a distinct species, C.
Hermans, C.O. and Satterlie, R.A. (1992) Fast-strike feeding behaviour in a pteropod mollusk, Clione limacina Phipps.
When the prey is in the right position, with its shell opening facing the radula of Clione limacina, it then grasps the prey with its chitinous hooks, everted from hook sacs.
Morton, J.E. (1958): Observations on the gymnosomatous pteropod Clione limacina (Phipps).
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