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Sphaerotylus antarcticus
Sphaerotylus antarcticus Kirkpatrick, 1907
photo by Arntz, Wolf E.

Family:  Polymastiidae ()
Max. size: 
Environment:  sessile; marine; depth range 17 - 450 m
Distribution:  Circumantarctic.
Diagnosis:  Dome-shaped or spheroidal. Dense short piles of cortical microtyles present on surface, with several usually elongated papillae with or without a large terminal orifice. Cortex with dermal pores, with each pore opening into one tubular canal (Ref. 089939).
Biology:  Inhabits mostly hard bottoms; occasional on mud (Ref. 089939).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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