Bibliographic record
Abstract
T. arenicola (de Man, 1880) Brzeski, 1963 (Type species) Synonyms. Tripyla arenicola de Man, 1880 Tripyla (Trischistoma) arenicola de Man, 1880 (Schneider, 1939) Trischistoma arenicola (de Man, 1880) Schuurmans Stekhoven, 1951 Tripyla minor Cobb, 1893 Measurements (after Brzeski & Winiszewska-Ślipińska 1993). Females (n = 20): L = 810–1250 µm; a = 20–30; b = 4.7–6.8; c = 13.1–18.3; c’ = 1.9–3.2; V = 62–69% Male: Brzeski & Winiszewska-Ślipińska (1993) stated that the only specimen was lost. Description (after Brzeski & Winiszewska-Ślipińska 1993). Body ventrally arcuate when fixed, cuticle about 1 μm thick, not annulated. Head rounded, 18–22 μm diameter. Six long cephalic setae 10–14 μm long, or 52–74% of head diameter; four short cephalic setae 5–6 μm long. Stoma walls not thickened; dorsal tooth small, triangular; two subventral denticles posterior to dorsal tooth. A single ventromedian seta, thin,60–78 μm, or 30–42% of pharyngeal length from anterior end of body. Vulva pore-shaped; sclerotized pieces small, comma-shaped with tips directed towards vulva. Male with six papillate ventromedian supplements. Other details of male missing, because the only specimen was lost. Diagnosis and Relationships. The main distinguishing feature of T. arenicola is the subventral denticles posterior to the dorsal tooth. Females of T. arenicola are similar to those of T. macroseta, T. manurewa sp. nov., T. tearoha sp. nov., T. tamaki sp. nov., T. sheri, and T. ursulae in body length, and shorter than all other species (T. longa, T. stramenti, T. yeatesi sp. nov. and T. kaikoura sp. nov.) (Table 3). T. arenicola is similar to T. ursulae in having two subventral denticles posterior to the dorsal tooth and differs from T. tearoha sp. nov., T. manurewa sp. nov., T. tamaki sp. nov., T. sheri, and T. macroseta, which have the denticles anterior to the dorsal tooth (Table 3). T. arenicola can be differentiated from T. ursulae by the absence of setae in the cervical region. Habitat and distribution. Terrestrial. Type locality Katwijk, Holland. Recorded from more than 20 countries, including eight in Europe (Netherlands, Switzerland, Poland, Austria, Hungary, Italy, Lithuania, Russia), seven in Asia (Georgia, Uzbekistan, India, Vietnam, Indonesia, Korea,), three from North and Central America (Canada, Mexico, Costa Rica), one from South America (Paraguay) and one from South Pacific Ocean (Fiji Islands). Etymology. The species epithet is derived from the Latin words arena = sand, and incola = an inhabitant. Tripylina longa Brzeski & Winiszewska- Ś lipi ń ska, 1993 Measurements (after Winiszewska-Ślipińska 1993). Females (n = 8): L = 1480–1720 μm; a = 33–40; b = 6.3–7.4; c = 24.9–30.3; c’ = 1.7–2.6; V = 76–80%; anterior cervical seta = 50–74 μm from anterior end; posterior cervical seta = 49–63 μm from anterior end. Male (n = 1): L = 1640 μm; a = 19; b = 6.8; c = 26.6; c’ = 1.8; ventromedian papillae = 5; spicule along arc = 52 μm; gubernaculum = 19 μm; anterior cervical seta = 88 μm from anterior end; posterior cervical seta = 175 μm from anterior end. Description (after Brzeski & Winiszewska-Ślipińska 1993). Anterior part of relaxed specimens straight, posterior spiral. Cuticle composed of two distinct layers, 1–1.5 μm thick. Head 25–28 μm wide. Six long cephalic setae 15–18.5 μm long, or 59–71% of head diameter; four short cephalic setae 5–7 μm long. Dorsal part of stoma walls thickened; dorsal tooth relatively large, directed posteriad; two subventral denticles anterior to dorsal tooth,. Two ventromedian setae in cervical region, anterior 23–34% of pharyngeal length from anterior end, posterior 57–68%. Vulva pore-shaped, sclerotized pieces large. A pair of subdorsal setae on anterior part of tail. Some females with another pair of subdorsal setae near junction of intestine and rectum. Male similar to female. Five papillate ventromedian supplements near cloaca. Spicules narrow, sicle shaped. Gubernaculum U-shaped in cross section, surrounding spicules dorsally and laterally. Diagnosis and Relationships. The main distinctive feature of T. longa is the large dorsal tooth directed posteriad. It is the longest recorded in the genus. Females of T. longa are similar to those of T. stramenti, T. kaikoura sp. nov. and T. yeatesi sp. nov. in body length, and longer than all other species (T. tearoha sp. nov., T. manurewa sp. nov., T. tamaki sp. nov., T. sheri, T. arenicola, T. ursulae and T. macroseta) (Table 3). T. longa is also similar to T. kaikoura sp. nov., T. stramenti and T. yeatesi sp. nov. in having two subventral denticles anterior to dorsal tooth, but its two cervical setae differ from T. stramenti which has one cervical seta, and from T. kaikoura sp. nov. and T. yeatesi sp. nov. which lack cervical setae (Table 3). T. longa is similar to T. tearoha sp. nov., T. manurewa sp. nov. and T. tamaki sp. nov. in having two subdorsal setae on tail, but its two cervical setae differ from T. tearoha sp. nov., T. manurewa sp. nov. and T. tamaki sp. nov. which have a single ventromedian seta and two pairs of lateral setae in the cervical region, respectively. Habitat and distribution. Found in clay soil around roots of grasses on the bank of Ema River, Italy. Etymology. Not stated.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.017 | 0.005 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".