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Stygnommatidae

From Wikipedia, the free encyclopedia
Family of harvestmen/daddy longlegs

Stygnommatidae
Stygnomma sp. from Costa Rica
Scientific classification
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Stygnommatidae

Roewer, 1923
Species

See text for list

Diversity
1 genus, c. 34 species

Stygnommatidae is a smallneotropical family of theharvestman infraorderGrassatores with about thirty described species.[1]

Description

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Stygnommatidae range from three to six millimeters in body length. Some species have chelicerae that effectively double their length. Thepedipalps are strong, enlarged and armed. The legs are relatively short. These harvestmen dwell in litter, with some species found incaves.[1]

Distribution

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Members of this family are found in theneotropics fromMexico toBrazil. Some species are found in southernFlorida and others inIndonesia andMalaysia, but it is not sure that these belong into this family.[1]

Relationships

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Themonophyly of this family is disputed. Its closest relatives within the Samooidea areSamoidae,Biantidae andPodoctidae.[1]

Name

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The name of the type genus is combined from the genus nameStygnus andAncient Greekomma "eye", referring to the eyes that are separated like inStygnus.[1]

Species

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The following belong inStygnommaRoewer, 1912

  • Stygnomma spiniferum spiniferum(Packard, 1888)Florida, Jamaica
  • Stygnomma spiniferum bolivari(Goodnight & Goodnight, 1945)Cuba
  • Stygnomma spiniferum tancahenseGoodnight & Goodnight, 1951 — Mexico, Belize

Footnotes

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  1. ^abcdePérez Gonzales, Abel (2007): Stygnommatidae. Roewer, 1923. In: Pinto-da-Rochaet al. 2007: 229ff

References

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  • Joel Hallan's Biology Catalog:Stygnommatidae
  • Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007): Harvestmen - The Biology of Opiliones.Harvard University PressISBN 0-674-02343-9
Stygnommatidae
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