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Spirotrichea: Oligotrichia: Oligotrichida: Halteriidae

Strombidium sp.
Stein, 1867

Strombidium Genus: Paratene makes nearly closed circle around body; ventral kinety often present (Illustrated Guide, 1985).
Ovoid to spherical; adoral zone very conspicuous two to four conspicuous sickle-form frontal membranellae, adoral membranellae extend down cytopharynx; no body bristles or cirri (Kudo, 1966). Body conical, ovoid or elongate posteriorly; somatic cilia absent; AZM composed of large membranelles which emerge from the peristome and encircle the apex of the cell; polysaccharide plates or platelets may conver and strengthen the posterior portion of the body (Carey, 1992).

Species: Cell body 40-80 μm long (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
Similar Genus -> > Strobilidium; Halteria;


Strombidium sp. ?, cell body 72 μm long, 48 μm wide, L/W=, x 640, Sankaku-numa, a small roadside pond, Kuzubukuro, Higashi-matsuyama city, Saitama Pref., Japan, March 18, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Strombidium Strombidium

Images of collecting locality: Sankaku-numa, a small roadside pond, Kuzubukuro, Higashi-matsuyama city, Saitama Pref., Japan, March 18, 2007 by Y. Tsukii


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