The Nature LibraryEN·ES
iNat·816409SpeciesArachnida0 field observations
  1. Animals
  2. ›Arthropods
  3. ›Chelicerates
  4. ›Arachnids
  5. ›Spiders
  6. ›Mygalomorphs
  7. ›Avicularioidea
  8. ›Open-holed Trapdoor Spiders
  9. ›Diplothelopsinae
  10. ›Acanthogonatus
No photograph on file

Acanthogonatus tolhuaca

Acanthogonatus tolhuaca is a mygalomorph spider of Chile, named after its type locality: Tolhuaca, Malleco, Region IX (de la Araucania). This species differs from A. mulchen in its wider sternum, smaller size, and the spermathecae having a more pronounced notch; from A. brunneus, it differs in the uniformly coloured abdomen.

Continue reading on Wikipedia

From the article Acanthogonatus tolhuaca on Wikipedia (CC BY-SA), quoted section by section

§1

Description

Female: total length 23.1 millimetres (0.91 in); cephalothorax length 9.4 millimetres (0.37 in), width 7.7 millimetres (0.30 in); cephalic region length 5.8 millimetres (0.23 in), width 5.6 millimetres (0.22 in); fovea width 0.95 millimetres (0.037 in); medial ocular quadrangle length 0.72 millimetres (0.028 in), width 1.57 millimetres (0.062 in); labium length 0.82 millimetres (0.032 in), width 1.57 millimetres (0.062 in); sternum length 4.95 millimetres (0.195 in), width 3.82 millimetres (0.150 in). Its cephalic region is wide but low, while its fovea is slightly procurved, with a small posterior notch. Its labium possesses no cuspules. A serrula is present on the anterior face of the lobe. Its sternal sigilla is small and oval (less elongated than A. Mulchen). Chelicerae: rastellum is absent. The spermathecal notch is more pronounced than in A. Mulchen. The entire spider is a reddish-blackish brown colour, while the abdomen has a paler anterodorsal spot.

§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Acanthogonatus tolhuaca in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 816409.