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762 results for “Spider phylogeny”
FIGURES 278–292 in Tarsal Organ Morphology and the Phylogeny of Goblin Spiders (Araneae, Oonopidae), With Notes on Basal Genera
FIGURES 278–292. Dalmasula griswoldi, new species, male (278–288) and female (289–292). 278. Left palp, dorsal view. 279. Same, apical view. 280. Left palpal bulb, prolateral view. 281. Same, retrolateral view. 282. Same, apical view. 283. Embolus, prolateral view. 284. Same, ventral view. 285. Same, retrolateral view. 286. Same, apical view. 287. Conductor, ventral view. 288. Same, apical view. 289. Habitus, dorsal view. 290. Same, lateral view. 291. Same, ventral view. 292. Same, anterior view.
FIGURES 1–15 in Tarsal Organ Morphology and the Phylogeny of Goblin Spiders (Araneae, Oonopidae), With Notes on Basal Genera
FIGURES 1–15. Tarsal organ, dorsal view, Oonops pulcher Templeton, female (1–5) and male (6–10), Triaeris stenaspis Simon, female (11–15). 1, 6, 11. Leg I. 2, 7, 12. Leg II. 3, 8, 13. Leg III. 4, 9, 14. Leg IV, 5, 10, 15. Palp. Arrows point to the proximally situated, longitudinal ridge here considered synapomorphic for the Oonopidae.
FIGURES 16–30 in Tarsal Organ Morphology and the Phylogeny of Goblin Spiders (Araneae, Oonopidae), With Notes on Basal Genera
FIGURES 16–30. Tarsal organ, dorsal view, Ischnothyreus peltifer (Simon), female (16–20) and male (21–25), Segestria senoculata (Linnaeus), female (26–30). 16, 21, 26. Leg I. 17, 22, 27. Leg II. 18, 23, 28. Leg III. 19, 24, 29. Leg IV. 20, 25, 30. Palp.
Figure 17 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 17. Apomastus schlingeri sp. nov. HOLOTYPE (A–C) and female paratype (D). A, pedipalp, retrolateral aspect. B, leg I, retrolateral aspect. C, leg I, prolateral aspect. D, spermathecal receptula.
Figure 15 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 15. Promyrmekiaphila gertschi from Ben Lomond, Santa Cruz County, California. A, pedipalp, retrolateral aspect. B, male leg I, retrolateral aspect. C, spermathecal receptula.
Figure 14 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 14. Aptostichus sp. burrow from Riverside County, Winchester, California. A, burrow closed with arrow indicating its location. B, same burrow opened.
Figure 13 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 13. Aptostichus atomarius from Los Angeles County, California, Chatsworth in CAS (A–D) and Aptostichus simus, male from Los Angeles County, California, Playa del Rey State Beach and female from the type locality San Diego County, Silverstrand State Beach (E–I). A, male leg I, retrolateral aspect. B, spermathecal receptula. C, cymbium and palpal bulb, retrolateral aspect. D, abdomen. E, male leg I, retrolateral aspect. F, male leg I, prolateral aspect. G, pedipalp, retrolateral aspect. H, spermathecal receptula. I, sternum and palpal endites.
Figure 11 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 11. Neoapachella rothi sp. nov. male HOLOTYPE (A–C) female paratype (D). A, leg I, retrolateral aspect. B, leg I, prolateral aspect. C, pedipalp, retrolateral aspect. D, spermathecal receptula.
Figure 9 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 9. Eucteniza rex burrow from Laredo, Texas excavated by W. Icenogle and bisected. A, lateral view with trapdoor open. B, top view with trapdoor closed.
Figure 1 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 1. Cladograms redrawn from Raven (1985). A, phylogeny of the Mygalomorphae. B, (inset) phylogeny of the Cyrtaucheniidae.
Figure 8 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 8. Eucteniza rex Chamberlin male holotype (A–D) and female paratypes (E). A, retrolateral aspect of leg I. B, prolateral aspect of leg I. C, retrolateral aspect of leg II. D, retrolateral aspect of pedipalp. E, spermathecal receptula.
Figure 5 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 5. Tree topology based on the morphological character set with all characters receiving equal weights. Strict consensus of seven equally parsimonious trees: 281 steps, CI = 0.35, RI = 0.64, RC = 0.22. Fifty percent majority rule bootstrap consensus; bootstrap/decay values are given for those nodes with bootstrap values greater than 50%.
Figure 3 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 3. Posterior lateral spinneret spigot types for select rastelloid taxa (scale bars = 0.1 mm). A, Kiama lachrymoides. B, Cyrtauchenius luridus Simon, 1881. C, Promyrmekiaphila gertschi. D, Acontius sp. E, Eucteniza rex. F, Neoapachella rothi. G, Rhytidicolus sp. H, Myrmekiaphila torreya. I, Ummidia sp.
Figure 4 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 4. Silk spigots on apicalmost article of posterior lateral spinnerets for select euctenizine taxa (scale bars = 0.1 mm). A, Aptostichus hesperus. B, Neoapachella rothi. C, Entychides arizonica. D, Eucteniza rex.
Figure 2 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 2. Reanalysis of Goloboff's (1993) data set of 71 morphological characters scored for 42 mygalomorph taxa using implied weights (k = 7; note that the topology is quite sensitive to concavity function constant). This is a strict consensus of 27 most parsimonious trees (236 steps, CI = 0.39, RI = 0.73). Filled circles indicate nodes that differ from Goloboff 's original analysis, cyrtaucheniid taxa are in grey shaded box. A summary and a brief explanation of the characters and their scorings are presented in Appendix 1.
Figure 6 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 6. Preferred tree topology based on morphological character set using implied weighting with k = 4 (283 steps, CI = 0.35, RI = 0.63, RC = 0.22, G fit = 50.45). Bootstrap/decay values are given for nodes with bootstrap values greater than 50% and/or decay values greater than 3 above the branch, branch numbers are given below.
Figure 7 in Phylogeny and taxonomy of the genera of south-western North American Euctenizinae trapdoor spiders and their relatives (Araneae: Mygalomorphae, Cyrtaucheniidae)
Figure 7. Colour photographs of live Euctenizinae species. A, Eucteniza rex from Laredo, Texas. B, Aptostichus atomarius from Riverside County, California. C, Promyrmekiaphila gertschi from San Mateo County, California.
Figure 111 in Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae)
Figure 111. Results of the Continuous Jackknife Function Analysis (Miller, 2003). The current analysis is converging on the preferred hypothesis. The stability of the data is greater than in any morphological, and most molecular (or total evidence), datasets explored by Miller. In other words, comparatively few data are necessary to recover e.g. 50% and 90% of the nodes, supported by the entire matrix (S50 = 77, S90 = 18). Interestingly, at 50% probability of character removal, 73% of the nodes are retained.
Figure 108 in Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae)
Figure 108. Evolution of the theridiid web. A three-dimensional cobweb (thick lines) is an unambiguous synapomorphy of the theridioids, but has been lost, or modified, multiple times. Ambiguous optimization is indicated with broken lines, unknown web types with question marks. Taxa marked with a star are autapomorphic. Thwaitesia does not make the typical H-shaped web of other spintharines, but still depends on only a few lines. Phoroncidia builds a unique single line web (sometimes a few lines) with sticky silk on one end (see Fig. 97B–D); related taxa are probably all litter dwellers and some may well be web-less.
Figure 107 in Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae)
Figure 107. Optimization of kleptoparasitism and araneophagy within Argyrodinae. Kleptoparasitic behaviour unambiguously optimizes at the base of Argyrodinae (clade 32); specialized araneophages have secondarily lost kleptoparasitism. Araneophagy is present in some but probably not all Faiditus species; the behaviour of the species included in this phylogeny is not known. Given the cladogram, the optimization of this character will either be ambiguous (gain and loss, or two gains), or if Faiditus is primitively nonaraneophagous, multiple gains will be inferred. However, given the data at hand, and logical preference for retaining homology of complex features, I prefer the hypothesis that araneophagy arose once and was lost in the strictly kleptoparasitic Argyrodes.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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