N. simplex
	 33-80 x 17-30 μm
	 Higashi-hiroshima
	 Hiroshima, 1998
	
  | 
 
	 N. simplex
	 9-14 μm φ
	 Uruguay, 1999 | 
 
	 N. simplex ?
	 20 μm φ
	 Kodanuki marsh
	 Fujinomiya
	 Shizuoka, 2005 | 
 
	 N. radians ?
	 or N. simplex ?
	 20-25 μm φ
	 Senjo-ga-hara
	 Nikko
	 Tochigi, 2003 | 
 
	 N. radians ?
	 or N. simplex ?
	  μm φ
	 Kawagoe
	 Saitama, 2001 | 
 
	 N. radians ?
	 or N. simplex ?
	 20 μm φ
	 Japan, 1998 | 
 
	 N. radians
	 50 x 35 μm
	 Eikan-ji
	 Kyoto, 2000 | 
 
	 N. radians
	 17 μm φ
	 Kamiya Park
	 Konosu
	 Saitama, 2003 | 
 
	 N. radians
	 10-14 μm φ
	 Japan, 1998 | 
 
	 N. radians
	 35 μm φ
	 Ogose
	 Saitama, 2003 | 
 
	 N. radians
	 21-24 μm φ
	 Japan, 1998 | 
 
	 N. radians
	 22 μm φ
	 Japan, 1998 | 
 
	 N. radians
	 25 μm φ
	 Omine-numa
	 Tsukiyono
	 Gunma, 2003 | 
 
	 N. radians ?
	 55 μm φ
	 Konpira bridge
	 Shirakawa
	 Fukushima, 2003 | 
 
	 N. radians ?
	  μm φ
	 Japan, 1999 | 
 
	 N. radians ?
	  μm φ
	 Saitama, 1999 | 
 
	 N. radians ?
	 cysts
	 Kawashima
	 Saitama, 2002 | 
 
	 N. delicatula
	 53 μm φ
	 Watarase river
	 Ashikaga
	 Tochigi, 2004 | 
 
	 N. delicatula ?
	 25 μm φ
	 Inari Park
	 Toyama, 2002 | 
 
	 N. delicatula
	 25 x 35 μm
	 Iruma river
	 Sayama
	 Saitama, 2004 | 
 
	 N. delicatula
	 27-30 μm φ
	 Shinobazu-ike
	 Ueno
	 Tokyo, 2001 | 
 
	 Nuclearia sp.
	 N. moebiusi ?
	  μm φ
	 Japan, 199? | 
 
	 Nuclearia ?
	 or other genus ?
	  μm φ
	 Kawagoe
	 Saitama, 2001 | 
 
	 Nuclearia sp.
	 or other genus ?
	 with 4 filaments
	 Torinome Kasen p.
	 NasuShiobara
	 Tochigi, 2008
	
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