Order (Haeckel, 1862): Without a test.
Family (Loeblich & Tappan, 1961): Body mass changeable in form.
Genus: Large; more than 100 μm when extended (Illustrated Guide, 1985).
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B. vagans, x 56
Saitama, 1999
B. vagans, x 100
cyst formation ?
Saitama, 1999
B. vagans, x 640
food transport
Saitama, 1999
B. vagans, x 640
nuclei
Saitama, 1999
B. vagans
Shimo-uchimagi
Shiki
Saitama, 2004
B. vagans
General Athletic p.
Utsunomiya
Tochigi, 2007
B. vagans ?
or Leptomyxa ?
Koigakubo marsh
Tessei-cho
Okayama, 2004