Cephalodiscus planitectus

Cephalodiscus planitectus
Scientific classification
Kingdom:	Animalia
Phylum:	Hemichordata
Class:	Pterobranchia
Order:	Cephalodiscida
Family:	Cephalodiscidae
Genus:	Cephalodiscus
Species:	C. planitectus
Binomial name
	Cephalodiscus planitectus; Miyamoto, Nishikawa and Namikawa, 2020[1]

Cephalodiscus planitectus is a sessile hemichordate belonging to the order Cephalodiscida.[1]

Distribution

It is found at a depth of 100-300 metres off the island of Jōgashima, Sagami Bay, Japan.[1]

Anatomy

There are three pairs of arms with tentacles.[1]

Phylogenetics

Cephalodiscus planitectus is the most divergent of all Cephalodiscus species, with Miyamoto, Nishikawa and Namikawa (2020) suggesting that it constitutes a sister group to all existing Cephalodiscus species.[1]

References

Miyamoto N, Nishikawa T, Namikawa H (February 2020). "Cephalodiscus planitectus sp. nov. (Hemichordata: Pterobranchia) from Sagami Bay, Japan". Zoological Science. 37 (1): 79–90. doi:10.2108/zs190010. PMID 32068377. Retrieved 2020-09-17.

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[Miyamoto-1] Miyamoto N, Nishikawa T, Namikawa H (February 2020). "Cephalodiscus planitectus sp. nov. (Hemichordata: Pterobranchia) from Sagami Bay, Japan". Zoological Science. 37 (1): 79–90. doi:10.2108/zs190010. PMID 32068377. Retrieved 2020-09-17.