Porrhothele

Porrhothele is a genus of mygalomorph spiders endemic to New Zealand. They are the only members of the family Porrhothelidae. They were first described by Eugène Louis Simon in 1892.[2] Originally placed with the curtain web spiders,[2] it was moved to the Hexathelidae in 1980,[3] they were placed in their own family in 2018.[4]

Porrhothele
Porrhothele antipodiana
Scientific classification Edit this classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Mygalomorphae
Family:Porrhothelidae
Hedin & Bond, 2018
Genus:Porrhothele
Simon, 1892[1]
Type species
P. antipodiana
(Walckenaer, 1837)
Species

5, see text

Members of Porrhothelidae are distinguished from other mygalomorph spiders by the small posterior sigillae and a single row of teeth on the forward-facing margin of the chelicerae. Males have many strong spines on the forward-facing margin of their tibiae.[4]

Taxonomy

The genus Porrhothele was erected by Eugène Simon in 1892 for the species Porrhothele antipodiana. Simon transferred these from Mygale, a genus previously used for many mygalomorph spiders, but is no longer in use. He placed this genus in the subfamily Diplurinae,[2] which later became the family Dipluridae. Raven transferred the genus to Hexathelidae,[3] where it remained until the results of a 2018 molecular phylogenetic study suggested that it belongs in its own family.[4]

The following cladogram shows the possible relationship of Porrhothele to related taxa.

Dipluridae

Hexathelidae

Porrhothele (Porrhothelidae)

Species

As of May 2019 it contains five species, all found in New Zealand:[1]

  • Porrhothele antipodiana (Walckenaer, 1837) (type) – New Zealand
  • Porrhothele blanda Forster, 1968 – New Zealand
  • Porrhothele moana Forster, 1968 – New Zealand
  • Porrhothele modesta Forster, 1968 – New Zealand
  • Porrhothele quadrigyna Forster, 1968 – New Zealand

References