Penard, 1904 emend. Siemensma & Roijackers, 1988
Genus: Free-living; skeleton with or without coat; cuirass made of scales and of the basal part
of the spicules; coat indistinguishable (Illustrated Guide, 1985).
Siliceous scales arranged tangentially and radiating siliceous spines with pointed or
bifurcated ends; (Kudo, 1966).
tape No. 0119, time code 1729,
Higashi-hiroshima city, Hiroshima Pref. Japan, October 9, 1998 by Y. Tsukii
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