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Glaucus atlanticus is a species of small, blue sea slug, a pelagic aeolid nudibranch, a shell-less gastropod mollusk in the family Glaucidae.
The seven-arm octopus is one of the two largest known species of octopus; based on scientific records, it has a maximum estimated total length of 3.5 m (11 ft) and mass of 75 kg (165 lb). The only other similarly large extant species is the giant Pacific octopus, Enteroctopus dofleini.
Glaucus is a genus of small blue pelagic sea slugs. They are aeolid nudibranchs, ranging in size from 20 to 40 mm. They feed on colonial cnidarians such as Portuguese man o' wars, blue buttons, and purple sails. They can produce painful and potentially dangerous stings when handled, as they store the venomous nematocysts of their prey. Glaucus is the only genus in the family Glaucidae. It includes five species.
Cephalodiscus is a genus of hemichordates in the monotypic family Cephalodiscidae of the order Cephalodiscida.
Cephalodiscus gilchristi is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus agglutinans is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus australiensis is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus calciformis is a sessile hemichordate belonging to the order Cephalodiscida. It is the only pterobranch species with funnel-shaped tubaria.
Cephalodiscus dodecalophus is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus evansi is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus fumosus is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus graptolitoides is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus hodgsoni is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus indicus is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus kempi is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus levinsoni is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus nigrescens is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus sibogae is a sessile hemichordate belonging to the order Cephalodiscida. Sightings of the species has been reported only once.
Cephalodiscus solidus is a sessile hemichordate belonging to the order Cephalodiscida.
Cephalodiscus gracilis is a sessile hemichordate belonging to the order Cephalodiscida.
References
- ↑ Bayer F (1962) A new species of Cephalodiscus (Hemichordata: Pterobranchia), the first record from the tropical Western Atlantic. Bulletin of Marine Science of the Gulf and Caribbean 12: 306-312.
- ↑ Swalla, B.J.; van der Land, J. (2020). "Cephalodiscus atlanticus". WoRMS. World Register of Marine Species . Retrieved September 17, 2020.
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