Cryptodifflugia valida, Playfair, 1917

Bobrov, Anatoly & Mazei, Yuri, 2017, A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species, Zootaxa 4282 (2), pp. 292-308 : 304

C. valida Playfair, 1917

Fig. 7 f

Original description. Playfair 1917, P. 657, Plate 38, Fig. 16.

Description. Shell large, ovoid, circular in transverse section; lateral sides gradually converging towards an aperture; aperture circular and rather broad, there is a well developed thickening around an aperture. Measurements. Shell length 55 µm, shell width 40 µm, aperture diameter 15 µm. Habitat. Freshwater ponds, bogs.

Geographic distribution. Australia, Chile.

Figures

FIGURE 7. Different species of the genus Cryptodifflugia: a— C. sacculus, lateral view, b – c— C. sacculus sakotschawi lateral view (b), apertural view (c), d – e— C. splendida, lateral view of different specimens, f— C. valida, lateral view, g – h—C. voigti, lateral view (g), apertural view (h), i— C. vulgaris, lateral view. a—after Penard 1902, b – c—after Tarnogradsky 1959, d – eafter Schönborn 1965, f—after Playfair 1917, g – h—after Schmidt 1926, i—after Francé 1913. Scale bar 20 µm.