Janthinoidea is a

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

s containing

wentletrap Wentletraps are small, often white, very high-spired, predatory or ectoparasitic sea snails, marine gastropod mollusks in the family Epitoniidae.Gofas, S. (2010). Epitoniidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca ...

s (Epitoniidae) and surfing snails (

Janthinidae Wentletraps are small, often white, very high-spired, predatory or ectoparasitic sea snails, marine gastropod mollusks in the family Epitoniidae.Gofas, S. (2010). Epitoniidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollu ...

). It includes species that have tethered

egg An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the a ...

masses, some of which are used for flotation.

Phylogeny

Molecular evidence supports a tree for Janthinoidea that shows the sequential development of traits for a

neuston Neuston, also known as pleuston, are organisms that live at the surface of the ocean or an estuary, or at the surface of a lake, river or pond. Neuston can live on top of the water surface or may be attached to the underside of the water surface. ...

ic life. The wentletraps (

Epitoniidae Wentletraps are small, often white, very high-spired, predatory or ectoparasitic sea snails, marine gastropod mollusks in the family Epitoniidae.Gofas, S. (2010). Epitoniidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollu ...

) have tethered egg masses that started to be used for flotation in ''

Recluzia ''Recluzia'' is a genus of small to medium-sized pelagic or planktonic sea snails, marine gastropod molluscs in the family Epitoniidae.MolluscaBase (2019). MolluscaBase. Recluzia Petit de la Saussaye, 1853. Accessed through: World Register of Ma ...

'' and then totally divorce from its original function for the

ovoviviparous Ovoviviparity, ovovivipary, ovivipary, or aplacental viviparity is a term used as a "bridging" form of reproduction between egg-laying oviparous and live-bearing viviparous reproduction. Ovoviviparous animals possess embryos that develop insi ...

Janthina janthina ''Janthina janthina'' is a species of holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae. Its common names include violet sea-snail, common violet snail, large violet snail and purple storm snail. Distribution This ...

''.

Taxonomy

Janthinoidea includes the following families, genera, and species. *

**'' Acrilla'' ***'' Acrilla acuminata'' **'' Alexania'' ***'' Alexania inazawai'' **'' Cirsotrema'' ***'' Cirsotrema multiperforata'' ***'' Cirsotrema varicosum'' **''

Cycloscala ''Cycloscala'' is a genus of predatory sea snails, marine prosobranch gastropod mollusks in the family Epitoniidae, commonly known as wentletraps.Bouchet, P.; Gofas, S. (2010). ''Cycloscala'' Dall, 1889 . Accessed through: World Register of Mari ...

'' ***'' Cycloscala crenulata'' **'' Epidendrium'' ***'' Epidendrium aureum'' ***'' Epidendrium sordidum'' **'' Epifungium'' ***'' Epifungium adgranulosa'' ***'' Epifungium adgravis'' ***'' Epifungium adscabra'' ***'' Epifungium hartogi'' ***'' Epifungium hoeksemai'' ***'' Epifungium lochi'' ***'' Epifungium marki'' ***'' Epifungium nielsi'' ***'' Epifungium pseudolochi'' ***'' Epifungium pseudotwilae'' ***'' Epifungium twilae'' ***'' Epifungium ulu'' **''

Epitonium ''Epitonium'' is a genus of small predatory sea snails, marine gastropod mollusks. ''Epitonium'' is the type genus of the family Epitoniidae, the wentletraps.Bouchet, P.; Gofas, S. (2010). Epitonium Röding, 1798. In: Bouchet, P.; Gofas, S.; Ro ...

'' ***'' Epitonium ancillotoi'' ***'' Epitonium angulatum'' ***'' Epitonium clathratulum'' ***'' Epitonium clathrus'' ***'' Epitonium cf. jukesianum'' ***'' Epitonium jukesianum'' ***'' Epitonium replicatum'' ***'' Epitonium sawinae'' ***''

Epitonium scalare ''Epitonium scalare'', common name the precious wentletrap, is a predatory or ectoparasitic species of marine gastropod with an operculum, in the family Epitoniidae, the wentletraps.Rosenberg, G. (2010). Epitonium scalare (Linnaeus, 1758). I ...

'' ***''

Epitonium tinctum ''Epitonium'' is a genus of small predatory sea snails, marine gastropod mollusks. ''Epitonium'' is the type genus of the family Epitoniidae, the wentletraps.Bouchet, P.; Gofas, S. (2010). Epitonium Röding, 1798. In: Bouchet, P.; Gofas, S.; ...

'' ***'' Epitonium trevelyanum'' **'' Gyroscala'' ***'' Gyroscala lamellosa'' **''

Opalia The Opiconsivia (or Opeconsiva or Opalia) was an ancient Roman religious festival held August 25 in honor of Ops ("Plenty"), also known as Opis, a goddess of agricultural resources and wealth. The festival marked the end of harvest, with a mirro ...

'' ***''

Opalia chacei The Opiconsivia (or Opeconsiva or Opalia) was an ancient Roman religious festival held August 25 in honor of Ops ("Plenty"), also known as Opis, a goddess of agricultural resources and wealth. The festival marked the end of harvest, with a mirro ...

'' ***'' Opalia gracilis'' **'' Surrepifungium'' ***'' Surrepifungium costulatum'' ***'' Surrepifungium ingridae'' ***'' Surrepifungium oliverioi'' ***'' Surrepifungium patamakanthini'' *

**''

Janthina ''Janthina'' is a genus of small to medium-sized pelagic or planktonic sea snails, marine gastropod molluscs in the family Epitoniidae.Gofas, S. (2011). Janthina Röding, 1798. Accessed through: World Register of Marine Species at http://www.mari ...

'' ***''

Janthina exigua ''Janthina exigua'', also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.MolluscaBase (2019). MolluscaBase. Janthina exig ...

'' ***''

'' ***'' Janthina cf. prolongata CKC-2011'' ***''

Janthina umbilicata ''Janthina umbilicata'', also known as the elongate janthina, is a species of holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.MolluscaBase (2019). MolluscaBase. Janthina umb ...

'' **''

'' ***'' Recluzia cf. jehennei CKC-2011''

References

External links

Janthinoidea at UniProt
Taxa named by Jean-Baptiste Lamarck Gastropods described in 1810 Ptenoglossa {{Caenogastropoda-stub