Biology:Acanthogonatus alegre
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Short description: Species of spider
| Acanthogonatus alegre | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Mygalomorphae |
| Family: | Pycnothelidae |
| Genus: | Acanthogonatus |
| Species: | A. alegre
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| Binomial name | |
| Acanthogonatus alegre Goloboff, 1995[1]
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Acanthogonatus alegre is a mygalomorph spider of Chile , its name using the Spanish word for “happy”, referring to the aspect of a happy face that the female epigastrium has in posterior view.[2] Females are recognized by the epigastrium produced in a membranous extension and the long, slender and bifurcated spermathecae.
Description
- Female: total length 23.3 millimetres (0.92 in); cephalothorax length 8.4 millimetres (0.33 in), width 6.2 millimetres (0.24 in); cephalic region length 5.35 millimetres (0.211 in), width 4.2 millimetres (0.17 in); fovea width 0.75 millimetres (0.030 in); medial ocular quadrangle length 0.67 millimetres (0.026 in), width 1.25 millimetres (0.049 in); labium length 0.67 millimetres (0.026 in), width 1.37 millimetres (0.054 in); sternum length 4.12 millimetres (0.162 in), width 3.1 millimetres (0.12 in). Its cephalic region is flat, low and narrow, with its fovea slightly procurved and with a small posterior notch. Its labium possesses 1 cuspule. A well-developed serrula is present. Its sternal sigilla is oval, elongated, small and shallow; its sternum is rebordered. Chelicerae: rastellum is absent. Its spermathecae has a conspicuous epigastric projection. Its cephalothorax, legs and chelicerae are an olive brown colour with golden hairs, while its abdomen is lighter, with a darker chevron similar to the one in A. campanae.[2]
Distribution
Known only from its type locality: Antofagasta, (Region II) Chile.
See also
- Spider anatomy
- Regions of Chile
References
- ↑ "Taxon details Acanthogonatus alegre Goloboff, 1995". World Spider Catalog. Natural History Museum Bern. http://www.wsc.nmbe.ch/species/22050. Retrieved 2016-04-08.
- ↑ 2.0 2.1 Goloboff, Pablo A. "A revision of the South American spiders of the family Nemesiidae (Araneae, Mygalomorphae). Part 1, Species from Peru, Chile, Argentina, and Uruguay. Bulletin of the AMNH; no. 224." (1995).
External links
- "Acanthogonatus alegre". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=849769.
- ADW entry
- ZipcodeZoo entry
Wikidata ☰ Q2778702 entry
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