A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species Author Bobrov, Anatoly Author Mazei, Yuri text Zootaxa 2017 4282 2 292 308 journal article 28745 10.11646/zootaxa.4282.2.4 8265bc1a-8903-47d1-a59d-218d749895e5 1175-5326 818668 CB1CD0B8-797B-4F2D-B100-C12E20AA092E C. pusilla conica Playfair, 1917 Fig. 6 j Original description. Playfair 1917 , P. 658, Table 38, Fig. 20. Description. Differs from the typical form in its more elongated shape. Shell conical or obtusely oval. Aboral region rounded. Apertural side equal to shell width. 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. Measurements. Shell length 12 µm, shell width 10 µm. Habitat. On water vegetation. Geographic distribution. Australia.