Table 2 Morphological comparison between Euplotes vanleeuwenhoeki sp. nov. and selected congeners.
Character | Euplotes vanleeuwenhoeki | E. trisulcatus | E. antarcticus | E. euryhalinus | E. charon | E. magnicirratus |
|---|---|---|---|---|---|---|
Body size in vivo (µm) | 40–58 × 25–38 | 35–50 × 25–40 | 90–145 × 30–80 | 50–62 × 26–38 | 70–100 × 65–90 | 51–65 × 36–44 |
Body shape | Elongated ellipsoidal; posterior end rounded | Elongated ellipsoidal; posterior end pointed | Elongated ellipsoidal; posterior end rounded | Elongated oval; posterior end pointed | Oval; posterior end rounded | Oval; posterior end rounded |
Peristome (% of the body length) | 63 | 75 | 65 | 67 | 75 | 75 |
Number, type of dorsal structures | 3, prominent furrows | 3, prominent furrows | 7–10, prominent DR | Several, inconspicious DR | 7, prominent DR | Several, prominent DR |
Number of membranelles in AZM | 22–29 | 25–36 | 46–56 | 26–28 | 51–60 | 49–52 |
Dargyrome type | Double-eurystomus | Double-eurystomus | Double-eurystomus | Double-eurystomus | Double-eurystomus | Double-eurystomus |
Number of dorsolateral kineties | 7–8 | 7 | 10–11 | 10 | 9–10 | 8 |
Number of dikinetids in mid-dorsal row | 13–14 | 7–10 | 11–21 | 10 | 22 | 13–17 |
Number of FVC | 10 | 10 | 10 | 10 | 10 | 10 |
Number of TC | 5 | 5 | 5 | 5 | 5 | 5 |
Number of CC | 2 | 2 | 3–4 | 2–3 | 2–4 | 2 |
Number of MC | 2 | 2 | 2 | 2 | 2 | 2 |
Habitat | Freshwater | Marine | Marine | Euryhaline | Marine | Marine |
References | This study |
