Amaurobiidae
| Tangled nest spiders | |
|---|---|
.jpg) |
|
| Callobius sp. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Arachnida |
| Order: | Araneae |
| Suborder: | Araneomorphae |
| Superfamily: | Amaurobioidea |
| Family: |
Amaurobiidae Thorell, 1870 |
| Genera | |
|
Callobius |
|
| Diversity | |
| 51 genera, 287 species | |
 |
|
Callobius
Coras
Amaurobius
Coelotes
Draconarius
Paracoelotes
Pimus
Pireneitega
Rubrius
many others
The Amaurobiidae are three-clawed cribellate or ecribellate spiders found in most parts of the world and difficult to distinguish from related spiders in other families, especially Agelenidae, Desidae and Amphinectidae. Their intra- and interfamilial relationships are contentious. In Spider Families of the World, 2007, they were represented by 69 genera and about 640 species in 5 subfamilies.
In Australia, they are small to medium-sized entelgyne spiders with generous sheet webs across the floor of rainforests. They generally have eight similar eyes in two conservatively curved rows. They often have a calamistrum on metatarsus IV associated with a cribellum. Australian amaurobiids may be distinguished from the Amphinectidae by the absence of a pretarsal fracture and the presence of a retrocoxal hymen on coxa I.
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Wikipedia