Polymastia echinus

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Polymastia echinus
Scientific classification edit
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Polymastiida
Family: Polymastiidae
Genus: Polymastia
Species:
P. echinus
Binomial name
Polymastia echinus
& Bergquist, 1997

Polymastia echinus is a species of sea sponge belonging to the family Polymastiidae. It is only known from shallow subtidal habitats off Te Hāwere-a-Maki / Goat Island in the north of the North Island of New Zealand.

This is an encrusting sponge with an extraordinary appearance. The sponge is always largely covered in sand, grit and fragments of shells apart from smooth, cylindrical, peach-coloured up to 15 mm in height which are always free of such material. The specific name refers to this rather hedgehog-like appearance.

References[]

  • Michelle Kelly-Borges & Patricia R. Bergquist (1997). "Revision of Southwest Pacific Polymastiidae (Porifera: Demospongiae: Hadromerida) with descriptions of new species of Polymastia Bowerbank, Tylexocladus Topsent, and Acanthopolymastia gen. nov. from New Zealand and the Norfolk Ridge, New Caledonia" (PDF). . 31 (3): 367–402. doi:10.1080/00288330.1997.9516772.[permanent dead link]


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