Chactini Pocock, 1893
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publication ID |
https://doi.org/ 10.18590/euscorpius.2003.vol2003.iss11.1 |
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publication LSID |
lsid:zoobank.org:pub:86191695-B841-4C9D-BFF2-CBC76D1861BA |
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DOI |
https://doi.org/10.5281/zenodo.12785201 |
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persistent identifier |
https://treatment.plazi.org/id/038A87D5-D72F-F52A-FF61-5D1DFE78502C |
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treatment provided by |
Felipe |
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scientific name |
Chactini Pocock, 1893 |
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Tribe Chactini Pocock, 1893
Type Genus. Chactas Gervais, 1844 View in CoL .
Composition. The tribe is established here. It includes three genera ( Chactas View in CoL , Teuthraustes View in CoL , Vachoniochactas View in CoL ).
Distribution. Central and South America.
Taxonomic history. Sissom (2000a) retained the division of Chactas into five subgenera.
Biogeographic history. Chactini mainly inhabit the tropical South America, where they exhibit a high diversity ( Table 10). A single species, Chactas exsul , is found in Central America ( Panama, Costa Rica).
Diagnosis. Synapomorphies. Chelal finger outer denticles (OD) removed outward from the MD row; chelal finger median denticle (MD) row divided into 7–9 groups; pectinal middle lamellae composed of a single plate or two, semi-fused with anterior lamellae, fulcra quite reduced. Important Symplesiomorphies. Chelal trichobothria Db basal, Dt situated at palm midpoint; patellar trichobothria series em 1 –em 2 and esb 1 proximal of segment midpoint; neobothriotaxy Ch1 present on patellar ventral surface; neobothriotaxy Ch1 present on patellar external surface.
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