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Litostomatea: Haptoria: Haptorida: Spathidiidae

Spathidium
Dujardin, 1841
Syn.: Spathidiopsis Kahl, 1930

Family: Apex somewhat to much fan-shaped; oral region along apex, may extend ventrally (Illustrated Guide, 1985). Cytostome slit-like, situated apically on non-ciliated ridge of the body (Carey, 1992).
Genus: Body long to ovoid; apex fan-shaped; toxicysts evenly distributed along edge of apex (Illustrated Guide, 1985). Body elongate, circular in cross section; antrerior obliquely truncated, surmounted by an unciliated apical ridge, which is lined with trichocysts; cytostome slit-like (Carey, 1992). Very many species (Corliss, 1979).
->> Description at WPRNO Google Image Search
Oral region only along apex, not extend ventrally
Spathidium
S. cultiforme ?
or Arcuospathidium ?
590 μm,
Kurihashi
Saitama, 2001
Spathidium
S. syrtis
or Epispathidium ?
162 μm
Uruguay, 1999
Spathidium syrtis
S. syrtis
or Epispathidium ?
115 x 48 μm
Oura central p.
Oura
Gunma, 2006
Spathidium
S. spathula ?
240 x 95 μm
Sakitama-kofun p.
Gyoda
Saitama, 2004
Spathidium
S. spathula ?
86 μm
posterior rounded
Urawa
Saitama, 2001
Spathidium
S. caudatum ?
130 μm
posterior tapered
Uruguay, 1999
Spathidium
S. muscicola ??
107-125 μm
Uruguay, 1999
Spathidium
S. muscicola ??
μm
Koshigaya
Saitama, 2001
Spathidium
Spathidium sp.
63 μm
Japan, 199?
Spathidium
Spathidium sp. ?
μm
Koaze river
Saitama, 2002
Spathidium
Spathidium sp. ?
μm
Matsubushi
Saitama, 2003
Spathidium
Spathidium sp. ?
μm
Naruto
Chiba, 2003
Spathidium
Spathidium sp.
70 x 29 μm
Ichino-kawa
Namegawa
Saitama, 2004
Spathidium
Spathidium sp.
122 x 38 μm
Watarase river
Ashikaga
Tochigi, 2004
Spathidium
Spathidium sp.
58 x 12 μm
drainage ditch
Fujimi
Gunma, 2005
Oral region extend ventrally
Spathidium
Spathidium sp. x 200
365 μm
Yamagata, 1999
Spathidium
Spathidium sp.
330 x 190 μm
Kejo-numa 1
Osaki
Miyagi, 2006
Spathidium
Spathidium sp.
60 μm
Japan, 199?
Spathidium
Spathidium sp. ?
μm
Ageo
Saitama, 2003
Similar genus -->> Bryophyllum

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Spathidium
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