Difflugiella oviformis subsp. fusca, (Penard, 1890) Bonnet et Thomas, 1956

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 : 301-302

C. oviformis fusca ( Penard, 1890) Bonnet et Thomas, 1956

Figs 6 a, 6b

Original description. Penard 1890, P. 169, Table 7, Figs 100–107.

Description. Differs from the typical form by yellowish-brown shell. Dimensions as in the typical form, with which it rather often co-occurs. The taxon is polymorphous in both size and shape; elongated specimens are frequently recorded.

Measurements. Shell length 13–26 µm, shell width 8–17 µm, aperture diameter 3–6 µm.

Habitat. Freshwater sediments, Sphagnum mosses, wet green mosses, aquatic plants, acid soil. Geographical distribution. Cosmopolitan.

Figures

FIGURE 6. Different species of the genus Cryptodifflugia: a – b— C. oviformis fusca, lateral view of different specimens, c – e— C. paludosa, narrow side lateral view (c), apertural view (d), broad side lateral view (e), f – g— C. patinata, lateral view (f), apertural view (g), h— C. psammophila, lateral view, i— C. pusilla, lateral view, j— C. pusilla conica, lateral view. a, b—after Penard 1890, c – e—after Golemansky 1981, f – g—after Schönborn 1965, h—after Golemansky 1970, i, j—after Playfair 1917. Scale bar 20 µm.