Published December 3, 2024
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Table 1 in Four new free-living marine nematode species (Plectida: Ceramonematidae) and two new species records (Desmodorida: Desmodorinae) from Rangitāhua / Kermadec Islands, Aotearoa / New Zealand
Authors/Creators
- 1. National Institute of Water and Atmospheric Research, Wellington, 14 – 901, New Zealand.
Description
Table 1. Morphometrics of Ceramonema taikoraha sp. nov. and C. taiora sp. nov. Abbreviations: see Material and methods.
| Character | Ceramonema taikoraha sp. nov. | Ceramonema taiora sp. nov. | ||||
|---|---|---|---|---|---|---|
| males | females | males | females | |||
| holotype | paratypes | paratype | holotype | paratypes | paratypes | |
| n | 1 | 2 | 1 | 1 | 1 | 4 |
| L | 1428 | 1380, 1401 | 1408 | 1047 | 1040 | 1070–1141 |
| a | 60 | 55, 58 | 49 | 33 | 33 | 32–36 |
| b | 7 | 7, 8 | 7 | 5 | 5 | 5–6 |
| c | 7 | 7 | 7 | 5 | 5 | 4–5 |
| c’ | 8.7 | 8.1, 9.0 | 8.8 | 8.7 | 7.7 | 8.9–9.5 |
| cephalic capsule width ×length | 25 ×37 | 25 ×33–37 | 28 ×37 | 31 ×37 | 31 × 41 | 33–34 ×43–45 |
| cephalic ratio | 1.5 | 1.3–1.5 | 1.3 | 1.2 | 1.3 | 1.3 |
| number of pharyngeal annules | 19 | 19, 21 | 22 | 20 | 18 | 17–18 |
| number of mid-body annules | 117 | 113, 119 | 120 | 72 | 71 | 71–77 |
| number of tail annules | 34 | 29, 35 | 35 | 35 | 30 | 30–32 |
| total number of annules | 170 | 161, 175 | 177 | 127 | 119 | 119–127 |
| body diam. at cephalic setae | 25 | 23, 25 | 28 | 31 | 30 | 31–34 |
| body diam. at amphids | 25 | 25 | 29 | 31 | 30 | 33–35 |
| length of outer labial setae | 11 | 9–11 | 7–8 | 10 | 8 | 7–9 |
| length of cephalic setae | 12–13 | 8–11 | 9 | 10–13 | 11 | 9–12 |
| amphidial fovea height | 18 | 18 | 16 | 23 | 26 | 19–20 |
| amphidial fovea width | 8 | 8, 9 | 8 | 11 | 10 | 9–10 |
| amphididial fovea width /cbd (%) | 32 | 32, 36 | 28 | 35 | 33 | 26–29 |
| amphid from anterior end | 14 | 11, 13 | 15 | 12 | 11 | 17–20 |
| nerve ring from anterior end | 125 | 125, 129 | 130 | 150 | 146 | 144–153 |
| nerve ring cbd | 25 | 25 | 26 | 30 | 30 | 32–35 |
| excretory pore from anterior | 166 | 162 | ND | 169 | ND | 171–179 |
| pharynx length | 205 | 175, 195 | 198 | 206 | 193 | 193–209 |
| pharyngeal bulb diam. | 11 | 11, 13 | 15 | 14 | ND | 14–20 |
| pharynx cbd at base | 23 | 24, 25 | 26 | 30 | 30 | 32–34 |
| max. body diam. | 25 | 24, 25 | 29 | 32 | 32 | 32–35 |
| spicule length | 29 | 24, 31 | – | 27 | 28 | – |
| gubernaculum length | 16 | 12, 15 | – | 14 | 13 | – |
| cloacal / anal body diam. | 23 | 23 | 22 | 26 | 26 | 25–27 |
| tail length | 201 | 186, 206 | 194 | 227 | 200 | 226–247 |
| V | – | – | 646 | – | – | 471–511 |
| %V | – | – | 46 | – | – | 42–45 |
| vulval body diam. | – | – | 29 | – | – | 31–33 |
Notes
Published as part of Leduc, Daniel, 2024, Four new free-living marine nematode species (Plectida: Ceramonematidae) and two new species records (Desmodorida: Desmodorinae) from Rangitāhua / Kermadec Islands, Aotearoa / New Zealand, pp. 149 in European Journal of Taxonomy 970 on page 149, DOI: 10.5852/ejt.2024.970.2755, http://zenodo.org/record/14276273
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