A New Genus of Prodidominae Cave Spider from a Paleoburrow and Ferruginous Caves in Brazil (Araneae: Prodidomidae) †
<p><span class="html-italic">Paleotoca diminas</span> <b>sp. n</b>., (<b>A</b>–<b>F</b>) male (IBSP 264705). (<b>A</b>) Habitus, dorsal view; (<b>B</b>) legs I–II, ventral view; (<b>C</b>) sternum, ventral view; left palp (<b>D</b>) prolateral view; (<b>E</b>) ventral view; (<b>F</b>) retrolateral view. Abbreviations: E—embolus; MA—median apophysis; RTA—retrolateral tibial apophysis.</p> "> Figure 2
<p><span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>., (<b>A</b>–<b>F</b>) male (IBSP 264704). (<b>A</b>) Carapace, dorsal view; (<b>B</b>) chellicerae, retromargin; (<b>C</b>) endites, promargin (arrows indicate teeth); (<b>D</b>) anterior lateral spinneret, detail; (<b>E</b>) posterior median spinneret, detail; (<b>F</b>) posterior lateral spinneret, detail. Abbreviations: Cy—cylindrical gland spigot; MaAm—major ampullate gland spigot; MiAm—minos ampullate gland spigot; Pi—piriform gland spigot.</p> "> Figure 3
<p><span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>., (<b>A</b>–<b>F</b>) male (IBSP 264704). (<b>A</b>) Leg III, detail of claw, retrolateral view; (<b>B</b>) tricobothria, tibia leg III; left palp (<b>C</b>) ventral view; (<b>D</b>) retrolateral view; (<b>E</b>) palpal tibia, retrolateral view (arrows indicate tricobothria); (<b>F</b>) tricobothria, dorsal view. Abbreviations: E—embolus; MA—median apophysis; RTA—retrolateral tibial apophysis.</p> "> Figure 4
<p><span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>., (<b>A</b>,<b>B</b>) male (IBSP 264705), left palp (<b>A</b>) ventral view; (<b>B</b>) retrolateral view. Abbreviations: E—embolus; MA—median apophysis; RTA—retrolateral tibial apophysis.</p> "> Figure 5
<p><span class="html-italic">Paleotoca diminas</span> <b>sp. n</b>., (<b>A</b>,<b>B</b>) female (IBSP 264705), genitalia (<b>A</b>) epigynum, ventral view; (<b>B</b>) vulva, dorsal view. Abbreviations: A—atrium; FD—fertilization duct; PS—primary spermathecae; CD—copulatory duct; PEx—posterior extension of epigynum.</p> "> Figure 6
<p><span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>., (<b>A</b>–<b>D</b>) female (IBSP 264705), (<b>A</b>) habitus, dorsal view; (<b>B</b>) spinnerets, lateral view; (<b>C</b>) genitalia, ventral view; (<b>D</b>) vulva, dorsal view. Abbreviations: ALS—anterior lateral spinnerets; FD—fertilization duct; CD—copulatory duct; PEx—posterior extension of epigynum; PIn—postepigastric invaginations; PLS—posterior lateral spinnerets; PMS—posterior median spinnerets; PS—primary spermathecae.</p> "> Figure 7
<p><span class="html-italic">Paleotoca diminas</span> <b>sp. n</b>., (<b>A</b>–<b>F</b>) female (IBSP 264705), (<b>A</b>) carapace, dorsal view; chelicerae, (<b>B</b>) ventral view; (<b>C</b>) detail, retromargim; (<b>D</b>) detail, promargin; (<b>E</b>) endites, promargin (arrow indicates teeth); (<b>F</b>) epigine, ventral view. Abbreviations: A—atrium; PEs—promarginal escort seta, PEx—promarginal rake seta, PRk—promarginal rake seta, PWh—promarginal whisker seta.</p> "> Figure 8
<p><span class="html-italic">Paleotoca diminas</span> <b>sp. n</b>., (<b>A</b>–<b>F</b>) female (IBSP 264705) pedipalp, detail of claw, (<b>A</b>) prolateral view; (<b>B</b>) retrolateral view; (<b>C</b>) tricobothria, dorsal view; (<b>D</b>) tarsal organ, dorsal view; (<b>E</b>) leg III, claw, prolateral view; (<b>F</b>) leg I, claw, prolateral view.</p> "> Figure 9
<p><span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>. (male) observed in a paleoburrow (Cave AP-0038).</p> "> Figure 10
<p>(<b>A</b>) Atlantic Forest view; (<b>B</b>) rupestrian field view; (<b>C</b>) cave entrance, epigean view; (<b>D</b>) wall with claw marks from ground sloth; (<b>E</b>) entrance area, cave view; (<b>F</b>) cave conduit approximately 90 cm long.</p> "> Figure 11
<p>Map showing collection records of <span class="html-italic">Paleotoca diminas</span> <b>sp</b>. <b>n</b>. (Prodidomidae) in caves of Quadrilátero Ferrífero, Minas Gerais, Brazil.</p> ">
Abstract
:1. Introduction
2. Material and Methods
3. Taxonomy
3.1. Paleotoca gen. n.
3.2. Paleotoca gen. n.
3.3. Paleotoca diminas sp. n.
4. Discussion
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Cizauskas, I.; Zampaulo, R.d.A.; Brescovit, A.D. A New Genus of Prodidominae Cave Spider from a Paleoburrow and Ferruginous Caves in Brazil (Araneae: Prodidomidae). Taxonomy 2024, 4, 574-586. https://doi.org/10.3390/taxonomy4030028
Cizauskas I, Zampaulo RdA, Brescovit AD. A New Genus of Prodidominae Cave Spider from a Paleoburrow and Ferruginous Caves in Brazil (Araneae: Prodidomidae). Taxonomy. 2024; 4(3):574-586. https://doi.org/10.3390/taxonomy4030028
Chicago/Turabian StyleCizauskas, Igor, Robson de A. Zampaulo, and Antonio D. Brescovit. 2024. "A New Genus of Prodidominae Cave Spider from a Paleoburrow and Ferruginous Caves in Brazil (Araneae: Prodidomidae)" Taxonomy 4, no. 3: 574-586. https://doi.org/10.3390/taxonomy4030028