TETRAGNATHINAE (Menge, 1866)
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publication ID |
https://doi.org/ 10.1111/j.1096-3642.2007.00304.x |
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persistent identifier |
https://treatment.plazi.org/id/038A3406-BF04-FF26-FEF5-FC82FD9FFA64 |
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treatment provided by |
Felipe |
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scientific name |
TETRAGNATHINAE |
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Tetragnathinae are represented by Agriognatha , Tetragnatha , Pachygnatha Sundevall, 1823 and Glenognatha Simon, 1887 . The phylogenetic relationships of Agriognatha are either as sister to Tetragnatha or to all other Tetragnathinae . Eight synapomorphies support the monophyly of Agriognatha plus the remaining tetragnathines: male chelicerae enlarged and curving distally more that two times the clypeus width (15-1), the presence of dorsal femoral trichobothria (27-0), enlarged sperm duct (58-1), articulated paracymbium (50-3), loss of epigynum and fertilization ducts (79-1 and 80-1), copulatory openings immersed in a membranous sac (81-2) and epigynal opening spiracleshaped (90-1). Two synapomorphies group Diphya with Tetragnathinae : the cymbium apical margin constricted (38-1) and the paracymbium with a distal sclerotized triangular projection (51-1).
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