Alistra facts for kids
Quick facts for kids Alistra |
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Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Hahniidae |
| Genus: | Alistra Thorell, 1894 |
| Type species | |
| A. longicauda Thorell, 1894
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| Species | |
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21, see text |
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| Synonyms | |
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Alistra is a genus of tiny spiders. They are often called "dwarf sheet spiders." This is because they are very small and sometimes build flat, sheet-like webs. A scientist named Tamerlan Thorell first described these spiders in 1894.
Contents
Discovering Alistra Spiders
Alistra spiders belong to a family called Hahniidae. These spiders are known for being quite small. They are found in different parts of the world.
Who Discovered Them?
The first Alistra spider was officially described in 1894. This was done by a scientist named Tamerlan Thorell. When a new group of animals is found, scientists give it a special name. This helps everyone know exactly which animal they are talking about.
What is a Type Species?
Every group of animals, like Alistra, has a "type species." Think of it like the first example of that group. For Alistra, the type species is Alistra longicauda. This particular spider was also described by Thorell in 1894. It helps scientists understand what other spiders should be included in the Alistra group.
How Many Alistra Species Are There?
As of May 2019, there are twenty-one known species of Alistra spiders. Scientists are always discovering new ones. This list might grow in the future!
Where Do They Live?
These tiny spiders live in many different places. You can find them in countries like China and Vietnam. They also live in Australia and New Zealand. Some species are found on islands like Samoa and Réunion.
List of Alistra Species
Here are the known species of Alistra spiders:
- Alistra annulata Zhang, Li & Zheng, 2011 – China
- Alistra astrolomae (Hickman, 1948) – Australia (Tasmania)
- Alistra berlandi (Marples, 1955) – Samoa
- Alistra centralis (Forster, 1970) – New Zealand
- Alistra hamata Zhang, Li & Pham, 2013 – Vietnam
- Alistra hippocampa Zhang, Li & Zheng, 2011 – China
- Alistra inanga (Forster, 1970) – New Zealand
- Alistra longicauda Thorell, 1894 (type) – Indonesia (Sumatra)
- Alistra mangareia (Forster, 1970) – New Zealand
- Alistra mendanai Brignoli, 1986 – Solomon Is., Réunion
- Alistra myops (Simon, 1898) – Philippines
- Alistra napua (Forster, 1970) – New Zealand
- Alistra opina (Forster, 1970) – New Zealand
- Alistra personata Ledoux, 2004 – Réunion
- Alistra pusilla (Rainbow, 1920) – Australia (Lord Howe Is.)
- Alistra radleyi (Simon, 1898) – Sri Lanka
- Alistra reinga (Forster, 1970) – New Zealand
- Alistra stenura (Simon, 1898) – Sri Lanka
- Alistra sulawesensis Bosmans, 1992 – Indonesia (Sulawesi)
- Alistra taprobanica (Simon, 1898) – Sri Lanka
- Alistra tuna (Forster, 1970) – New Zealand
See also
In Spanish: Alistra para niños
