Body shape | Body length | Body width | Peristome lengtha | Number of adoral membranelles | Number of SK | Number of Ma nodules | Collection site | Reference |
---|---|---|---|---|---|---|---|---|
ellipsoidal and variable, obliquely truncated at the anterior end, a depression at the posterior end | 135–205 | 70–110 | 35–60% | 36–51 | 37–51 | 5–12 | A freshwater pond, Qingdao, China | Present work |
almost spherical body, large and oblique oral cavity in front | – | – | – | – | – | – | A fire bucket, Berlin, Germany | Ehrenberg [7] (type population) |
ovoid body with a broadly rounded rim | 210 | 160 | ca. 50% | – | – | 8 | A polluted pond, Warsaw, Poland | Wrześniowski [12] |
ovoid body with broad back and truncated forward | 200 | – | ca. 50% | – | – | 5 | Under water lilies, Ariana, Tunisia | Penard [13] |
globular, hemispherical or ovoid body with obliquely truncated anterior | 100–125 | – | ca. 45%b | – | – | – | – | Fauré-Fremiet [14] |
bag-shaped, truncated in front | 100–200 | – | ca. 51%b | – | – | 6–10 | Clear pools and ponds | Kahl [15] |
ovoid body, large and evenly rounded toward the posterior extremity, truncated at the anterior end | 180 | 120 | ca. 50% | – | – | 5 | Various ponds, Nanjing, China | Wang & Nie [16] |
– | – | – | ca. 47%b | – | 60–70 | 11 | Some ponds, Hungary | Gelei [17]†|
– | 160 | – | ca. 56%b | 19–22 | 31–34 | 2–7 | A freshwater pond, Mokolo, Cameroon | Dragesco [18]†|
– | 140–170 | 80–110 | ca. 58%b | ca. 40 | 30–38 | 8–12 | Kleikuhle, Husum, Germany | Pätsch [19] |
oval body, rounded posteriorly | 140–170 | – | – | ca .44 | 30–38 | 2–12 | – | Dragesco & Dragesco-Kernéis [20] |
bag-shaped, truncated in front, rounded at the back | 170–200 | 100 | ca. 53%b | 40–50 | 39–45 | 5–9 | Meerfelder Maares, Rheinland-Pfalz, Germany | Packroff & Wilbert [21] |
saccular to ellipsoidal, both ends broadly rounded, ventral anterior half obliquely truncated | 100–210 | 70–160 | ca. 50% | 40–50 | 26–45 | 2–15 | Eutrophic pond, Salzburg, Austria | Foissner et al. [22] |
ellipsoidal, rounded on anterior and posterior ends | 90–160 | 70–120 | ca. 50% | ca. 50 | ca. 35 | 8–12 | Aransas National Wildlife Refuge, Texas, the United States | Alekperov et al. [23]†|