Difflugiella crenulata subsp. globosa, 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 : 299

C. crenulata globosa Playfair, 1917

Fig. 4 c

Difflugiella crenulata globosa Grospietsch, 1964

Original description. Playfair 1917, P. 658, Table 38, Fig. 19.

Description. Shell differs from the typical form by the globose or subglobose shell shape; aperture occupies the entire lower surface.

Measurements. Shell length 17–20 µm, shell width 15–18 µm.

Habitats. In thickets of Typha in waterbodies.

Geographical distribution. Australia, Poland, Germany, Greenland, Romania, Vietnam, South Georgia , Crozet and Possession Island.

Figures

FIGURE 4. Different species of the genus Cryptodifflugia: a— C. crenulata, lateral view, b— C. crenulata glabra, lateral view, c— C. crenulata globosa, lateral view, d – f— C. horrida, lateral view of empty shell (d), lateral view of living cell (e), apertural view of living cell (f). a, c—after Palyfair 1917, b, d – f—after Schönborn 1965. Scale bar 20 µm.