Cryptodifflugia leachi

Cryptodifflugia leachi is an aquatic species of testate amoebae discovered in 2006 in Canada, living in bottom sediment from wetlands at the base of the Niagara Escarpment.[2]

Cryptodifflugia leachi
A free-living Cryptodifflugia leachi cell housed in its rigid shell, extending its rhizopods through the pseudostomal aperture.
Scientific classification
Domain: Eukaryota
Phylum: Amoebozoa
Class: Tubulinea
Order: Arcellinida
Family: Cryptodifflugiidae
Genus: Cryptodifflugia
Species:
C. leachi
Binomial name
Cryptodifflugia leachi
Nicholls, 2006[1]

Description

Cryptodifflugia leachi is characterized by an oval, elliptical shell with a circular transverse section and a smooth surface. The shell ranks as one of the smallest out of the testate amoebae, with a length of 10-16 μm, a width of 8-12 μm and a very small pseudostomal aperture of 1.5-2.5 μm in diameter.[2][1] Its pseudopodia are narrow and cylindrical, often reaching lengths up to 3 times that of the shell. Inside its cytoplasm there are often one or two large crystal-like refractive bodies in the anterior (closer to the aperture) region. When encysted, it develops an operculum, a thickened plug, and the cell membrane thickens behind it.[2]

References

  1. Bobrov, Anatoly; Mazei, Yuri (2017). "A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species". Zootaxa. 4282 (2): 292–308. doi:10.11646/zootaxa.4282.2.4.
  2. Nicholls, Kenneth H. (2006). "Cryptodifflugia leachi n. sp., a Minute New Testate Rhizopod Species (Rhizopoda: Phryganellina)". Acta Protozoologica. 45 (3): 295–299.
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