Difflugiella crenulata subsp. glabra Schonborn, 1965

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 : 298

C. crenulata glabra ( Schönborn, 1965) comb. nov.

Fig. 4 b

Difflugiella crenulata glabra Schönborn, 1965

Original description. Schönborn 1965, P. 318, Fig. 1 m.

Description. Shell differs from the typical form by the absence of excavations on the shell. Measurements. Shell length 15 µm, shell width 11–14 µm, aperture diameter 4 µm. Habitats. Freshwater, recorded on Typha .

Geographical distribution. Germany, Poland.

Figures

FIGURE 1. Different species of the genus Cryptodifflugia: a— C. angulata, lateral view, b – d— C. angusta, lateral view (b, c), apertural view (d), e – f— C. angustatostoma, narrow side lateral view (e), broad side lateral view (f), g— C. apiculata, lateral view, living specimen with cytoplasm, h – i— C. bassini, lateral view (h), apertural view (i). a—after Playfair 1917, b – d—after Schönborn 1965, e – f—after Beyens & Chardez 1982, g—after Cash 1904, h – i—after Bobrov 2001. Scale bar 20 µm.

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.