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. compressa angustioris Tarnogradsky, 1959 Figs 3 g, 3h Original description. Tarnogradsky 1959 . P. 50, Table. 8, Figs 62 a–g. Description. Shell differs from the typical form by a more elongated shell with oval aperture, laterally compressed, golden-brown. FIGURE 3. Different species of the genus Cryptodifflugia : a–f— C. compressa , broad side lateral view (a, d), narrow side lateral view (b, e), apertural view (c, f), g–h— C. compressa angustioris , narrow side lateral view (g), broad side lateral view (h), i–k— C. compressa australis , broad side lateral view (i), narrow side lateral view (j), apertural view (k), l— C. compressa ovata , lateral view. a–f—after Penard 1902, g–h—after Tarnogradsky 1959, i–l—after Palyfair 1917. Scale bar 20 µm. Measurements. Shell length 19–20 µm, shell width 15–17 µm. Habitat. In Sphagnum . Geographical distribution. Russia (Caucasus), Belgium, Germany, Spitsbergen.