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Two new spider species of the genera Aysenia and Aysenoides from southern Chile and Argentina: description and phylogenetic relationships (Araneae: Anyphaenidae, Amaurobioidinae)

Authors: Izquierdo, Matías Andres; Ramirez, Martin Javier;

Two new spider species of the genera Aysenia and Aysenoides from southern Chile and Argentina: description and phylogenetic relationships (Araneae: Anyphaenidae, Amaurobioidinae)

Abstract

Two new spider species of the genera Aysenia Tullgren and Aysenoides Ramírez (Anyphaenidae) from Malleco province, southern Chile, are described and their phylogenetic relationships discussed. The phylogenetic analysis confirmed the monophyly of Aysenia and Aysenoides. Support values for both genera are relatively high, compared with other members of the tribe Amaurobioidini, but support values for some internal branches are low. The genus Aysenia is supported by two synapomorphies corresponding to the shape of the dorsal shield of prosoma and absence of a group of spines on the tibia III, while Aysenoides is supported by four synapomorphies from gentialia and posterior eye proportions. The length of the male embolus and of the female copulatory duct seem to be functionally correlated in Aysenia.

Country
Argentina
Keywords

NEOTROPICAL REGION, Arthropoda, Anyphaenidae, CLADISTICS, Biodiversity, SYSTEMATICS, ANYPHAENIDAE, https://purl.org/becyt/ford/1.6, Arachnida, Animalia, Araneae, SPIDERS, https://purl.org/becyt/ford/1, Taxonomy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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