Acanthopolymastia acanthoxa

Acanthopolymastia acanthoxa is a species of sea sponge belonging to the family Polymastiidae. It is a deep-ocean species found on muddy substrates at depths of over 3000 m in the Ross Sea, Antarctica.

Acanthopolymastia acanthoxa
Scientific classification edit
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Polymastiida
Family: Polymastiidae
Genus: Acanthopolymastia
A. acanthoxa
Binomial name
Acanthopolymastia acanthoxa
(Koltun, 1964)
  • Atergia acanthoxa Koltun, 1964

This is a brown cushion-shaped sponge up to 4 cm across with a lateral fringe and a single papilla with a terminal opening.


  • 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". New Zealand Journal of Marine and Freshwater Research. 31 (3): 367–402. doi:10.1080/00288330.1997.9516772.