Pachyballus
Pachyballus is a genus of jumping spiders that was first described by Eugène Louis Simon in 1900.[2] While most are found in Africa and nearby regions, one species is endemic to New Caledonia. The name is a combination of the Ancient Greek παχύς ("pachys"), meaning "thick", and the salticid genus Ballus.
| Pachyballus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Salticidae |
| Genus: | Pachyballus Simon, 1900[1] |
| Type species | |
| P. transversus Simon, 1900 | |
| Species | |
|
7, see text | |
Pachyballus rotundus was transferred to its own genus Planiemen in 2007.
Species
As of August 2019 it contains seven species and one subspecies, found only in Africa and on New Caledonia:[1]
- Pachyballus castaneus Simon, 1900 – South Africa
- Pachyballus cordiformis Berland & Millot, 1941 – Ivory Coast, Zimbabwe
- Pachyballus flavipes Simon, 1910 – Ivory Coast, Equatorial Guinea (Bioko), Tanzania, Kenya
- Pachyballus f. aurantius Caporiacco, 1949 – Kenya
- Pachyballus gambeyi (Simon, 1880) – New Caledonia
- Pachyballus oyo Wesolowska & Russell-Smith, 2011 – Nigeria
- Pachyballus transversus Simon, 1900 (type) – Guinea-Bissau, Congo, Zanzibar, South Africa
- Pachyballus variegatus Lessert, 1925 – East Africa
gollark: Probably. The main issue I can see is that you would have to rewrite the entire metadata block on changes, because start/end in XTMF are offsets from the metadata region's end.
gollark: I thought about that, but:- strings in a binary format will be about the same length- integers will have some space saving, but I don't think it's very significant- it would, in a custom one, be harder to represent complex objects and stuff, which some extensions may be use- you could get some savings by removing strings like "title" which XTMF repeats a lot, but at the cost of it no longer being self-describing, making extensions harder and making debugging more annoying- I am not convinced that metadata size is a significant issue
gollark: I mean, "XTMF with CBOR/msgpack and compression" was being considered as a hypothetical "XTMF2", but I'd definitely want something, well, self-describing.
gollark: Also also, why a binary format?
gollark: Also, XTMF can do runtime update, you just need to allocate, say, 4KB at the start of the tape, and write metadata to that. The offsets might be fiddly, though.
References
- "Gen. Pachyballus Simon, 1900". World Spider Catalog Version 20.0. Natural History Museum Bern. 2019. doi:10.24436/2. Retrieved 2019-09-08.
- Simon, E. (1900). "Descriptions d'arachnides nouveaux de la famille des Attidae". Annales de la Société Entomologique de Belgique. 44: 381–407.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.