Nicodamidae

Nicodamidae is a family of araneomorph spiders with about thirty species in seven genera.[1] They are small to medium-sized spiders found near the ground of eucalypt forest in small sheet webs. The species of this family are only present in Australia and Papua New Guinea. In most cases the cephalothorax and legs are uniformly red and the abdomen black, for which these species are sometimes called the "red and black spider".

Red and black spiders
Megadictyna thilenii, male, from New Zealand
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Nicodamidae
Simon, 1897
Diversity
7 genera, 31 species

Taxonomy

The family Nicodamidae was established by Eugène Simon in 1897 for his newly described species Nicodamus dimidiatus[2] (now Dimidamus dimidiatus). Mark Harvey published a major review of the family in 1995. At the time of the review, only two genera were accepted, Nicodamus from Australia and New Guinea, and Megadictyna from New Zealand. Based on a morphological cladistic analysis, Harvey divided the family into two subfamilies, Nicodaminae and Megadictyninae, and erected seven new genera.[3] In 1967, Pekka T. Lehtinen proposed that Megadictynidae constituted a separate family, but this was not accepted by Harvey. On the basis of molecular phylogenetic analysis, Dimitrov et al. re-established Megadictynidae in 2017, reducing Nicodamidae to seven genera.[1]

Genera
Main article: List of Nicodamidae species

As of April 2019, the World Spider Catalog accepts the following genera:[1]

See also

References
  1. "Family: Nicodamidae Simon, 1897". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-04-22.
  2. Simon, E. (1897). "Description d'arachnides nouveaux". Annales de la Société Entomologique de Belgique (in Latin). 41: 8–17.
  3. Harvey, M.S. (1995). "The systematics of the spider family Nicodamidae (Araneae: Amaurobioidea)". Invertebrate Taxonomy. 9 (2): 279–386.


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