Kaolinonychus
Kaolinonychus is a genus of harvestman in the family Paranonychidae. There are about five described species in Kaolinonychus, endemic to South Korea and found primarily in caves.[1][2][3]
| Kaolinonychus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Opiliones |
| Family: | Paranonychidae |
| Genus: | Kaolinonychus Suzuki, 1975. |
Species
These five species belong to the genus Kaolinonychus:
- Kaolinonychus coreanus (Suzuki, 1966)
- Kaolinonychus daisenensis Suzuki, 1975
- Kaolinonychus iriei Suzuki, 1975
- Kaolinonychus iyanus Suzuki, 1975
- Kaolinonychus tomishimai Suzuki, 1975
gollark: I mean, postgres has very good caching, so it gets fairly fast if I search for bees multiple times, but whyyyy?
gollark: Yes.
gollark: ```sqlnonlocality=# EXPLAIN ANALYZE SELECT url, ts_rank(fts, query) AS rank, ts_headline(fts::text, query, 'MaxWords=60') FROM pages, websearch_to_tsquery('bee') query WHERE fts @@ query ORDER BY rank LIMIT 1; QUERY PLAN -------------------------------------------------------------------------------------------------------------------------------------------------- Limit (cost=860.79..861.06 rows=1 width=96) (actual time=35935.590..35935.594 rows=1 loops=1) -> Result (cost=860.79..874.83 rows=52 width=96) (actual time=35935.587..35935.589 rows=1 loops=1) -> Sort (cost=860.79..860.92 rows=52 width=178) (actual time=35934.109..35934.111 rows=1 loops=1) Sort Key: (ts_rank(pages.fts, query.query)) Sort Method: top-N heapsort Memory: 25kB -> Nested Loop (cost=0.25..860.53 rows=52 width=178) (actual time=444.148..35932.932 rows=349 loops=1) Join Filter: (pages.fts @@ query.query) Rows Removed by Join Filter: 10272 -> Function Scan on websearch_to_tsquery query (cost=0.25..0.26 rows=1 width=32) (actual time=0.038..0.041 rows=1 loops=1) -> Seq Scan on pages (cost=0.00..728.95 rows=10495 width=142) (actual time=10.189..289.581 rows=10621 loops=1) Planning Time: 0.184 ms Execution Time: 35935.637 ms(12 rows)```
gollark: What? Why does it say it's doing a sequential scan now? Æ all is bee.
gollark: Slower, even.
References
- "Kaolinonychus Report". Integrated Taxonomic Information System. Retrieved 2019-12-28.
- "Kaolinonychus". GBIF. Retrieved 2019-12-28.
- Derkarabetian, Shahan; Starrett, James; Tsurusaki, Nobuo; Ubick, Darrell; et al. (2018). "A stable phylogenomic classification of Travunioidea (Arachnida, Opiliones, Laniatores) based on sequence capture of ultraconserved elements". ZooKeys (760): 1–36. doi:10.3897/zookeys.760.24937. PMC 5986891. PMID 29872361.
Further reading
- Derkarabetian, Shahan; Steinmann, David B.; Hedin, Marshal (2010). "Repeated and time-correlated morphological convergence in cave-dwelling harvestmen (Opiliones, Laniatores) from montane western North America". PLOS ONE. 5 (5): e10388. Bibcode:2010PLoSO...510388D. doi:10.1371/journal.pone.0010388. PMC 2866537. PMID 20479884.
- Giribet, Gonzalo; Vogt, Lars; González, Abel P.érez; Sharma, Prashant; et al. (2010). "A multilocus approach to harvestman (Arachnida: Opiliones) phylogeny with emphasis on biogeography and the systematics of Laniatores". Cladistics. 26 (4): 408–437. doi:10.1111/j.1096-0031.2009.00296.x.
- Kury, Adriano B.; Mendes, Amanda Cruz; Souza, Daniele R. (2014). "World Checklist of Opiliones species (Arachnida). Part 1: Laniatores - Travunioidea and Triaenonychoidea". Biodiversity Data Journal (2): e4094. doi:10.3897/BDJ.2.e4094. PMC 4238074. PMID 25425936.
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