Open Access
Table 3
Measured and counted characters of Trichodina unionis between the present study and previous studies.
| Author |
Present study |
Hampl [13] |
Fenchel [12] |
Irwin et al. [16] |
|---|---|---|---|---|
| Study area |
Bangkok, Thailand |
Schwabach, Germany |
Copenhagen, Denmark |
British Columbia, Canada |
| Host | Freshwater gastropods | Freshwater mussels | Freshwater mussels | Pulmonate freshwater gastropods |
| Number of specimens | 53 | – | – | 3 |
| Body diameter (μm) | 50.5 ± 4.1 | – | 70.0 | 56.0 ± 6.0 |
| (42.5–57.9) | (60.0–90.0) | – | (50.0–62.0) | |
| Adhesive disc diameter (μm) | 44.1 ± 4.0 | – | – | 46.0 ± 6.2 |
| (36.2–51.6) | (58.0–62.0) | – | (41.0–53.0) | |
| Denticular ring diameter (μm) | 26.7 ± 2.5 | – | 26.0 | 26.0 ± 2.6 |
| (20.7–31.6) | (29.0–31.0) | – | (24.0–29.0) | |
| Border membrane width (μm) | 3.3 ± 0.3 | – | – | 4.0 ± 1.4 |
| (2.6–3.9) | – | – | (3.0–5.0) | |
| Denticle number | 25.0 | – | 26.0 | 25.0 |
| (22–30) | (26–33) | (22–28) | (22–28) | |
| Denticle length (μm) | 12.4 ± 1.1 | – | – | – |
| (10.0–14.1) | – | – | – | |
| Blade length (μm) | 5.8 ± 0.5 | 7.0 | – | 7.0 ± 1.0 |
| (4.7–6.6) | – | – | (6.0–8.0) | |
| Central part length (μm) | 2.0 ± 0.3 | – | – | – |
| (1.4–2.7) | – | – | – | |
| Ray length (μm) | 5.3 ± 0.6 | 9.0 | – | 7.3 ± 1.2 |
| (3.5–6.2) | – | – | (6.0–8.0) | |
| Denticle span (μm) | 7.3 ± 0.7 | – | – | – |
| (5.5–8.6) | – | – | – |
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