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173 results for “Hidalgo”
Temperature datasets for stock tanks and natural sites at High, Medium, and Low elevations, as part of the LTREB Swordtail project in Hidalgo, Mexico, 2015 - 2025
The core of this project focuses on monitoring the phenotypic and genotypic evolution of experimental and natural hybrid populations of swordtails for ten generations. To get a clear understanding of how evolution shapes genome wide ancestry and the distribution of species-specific alleles at functional loci during early generations of hybridization, it's important to monitor these populations using experimental crosses. Eight replicate 2000 L mesocosm stock tanks were built at high (1514 m), intermediate (980 m), and low (186 m) elevations near the CICHAZ field site were seeded with Xiphophorus birchmanni – X. malinche F1 hybrids. The F1s were generated by crossing X. malinche females with X. birchmanni malesin stock tanks at CICHAZ, a research station in Calnali, Mexico. Tanks at higher elevations experience cooler water temperatures. Our experimental design thereby allows us to characterize how ecological selection shapes genotypic and phenotypic differences in thermal tolerance across hybrid populations exposed to different temperature regimes. The data contained in these files include recorded water temperature (in Celsius), taken every six hours from three stock tanks at low (186 m: STL), medium (980 m: STM), and high (1514 m: STH) elevations, along with three natural river sites. File Natural.csv contains the natural sites and the file Stock Tanks.csv contains the corresponding natural sites. Acuapa (ACUA) is paired with STL, Aguazarca (AGZC) is paired with STM, and Tlatemaco (TLMC) is paired with STH.
Figs 30–35 in Description of a new species of Loxosceles Heineken & Lowe (Araneae, Sicariidae) recluse spiders from Hidalgo, Mexico, under integrative taxonomy: morphological and DNA barcoding data (CO1 + ITS2)
Figs 30–35. Variation of the male palps, left palps, prolateral views. 30–33. Loxosceles tolantongo sp. nov. 30–32. Tourist Center Grutas de Tolantongo, Municipality of Cardonal, Hidalgo (type locality). 33. 500 m west of the entrance No. 5 to the Tourist Center Grutas de Tolantongo, Municipality of Cardonal, Hidalgo. 34–35. Loxosceles jaca Gertsch & Ennik, 1983. 2.5 km north of Jacala de Ledezma, Municipality of Jacala de Ledezma, Hidalgo. Scale bars = 0.5 mm.
Fig. 56 in Description of a new species of Loxosceles Heineken & Lowe (Araneae, Sicariidae) recluse spiders from Hidalgo, Mexico, under integrative taxonomy: morphological and DNA barcoding data (CO1 + ITS2)
Fig. 56. Maximum likelihood tree inferred from the concatenated matrix (CO1 + ITS2) of species of Loxosceles Heineken & Lowe, 1832 from Mexico. Colors of branches and bars indicate different species. Numbers above bars represent the delimitation methods: 1 = morphology (M); 2 = neighbor joining (NJ); 3 = ABGD with initial partitions (IP); 4–5 = ABGD with recursive partitions (RP); 6 = GMYC yule analysis; 7 = GMYC coalescent analysis; 8 bPTP with ML; 9 = bPTP with IB. Numbers below bars represent species recovered for each delimitation method. Red numbers correspond to Bayesian posterior probabilities, black numbers are bootstrap support values from the ML analysis.
Figs 20–25 in Description of a new species of Loxosceles Heineken & Lowe (Araneae, Sicariidae) recluse spiders from Hidalgo, Mexico, under integrative taxonomy: morphological and DNA barcoding data (CO1 + ITS2)
Figs 20–25. Loxosceles tolantongo sp. nov., ♂ holotype (CNAN-T01317). 20–22. Left palp, prolateral, dorsal and retrolateral views, respectively. 23–25. Detail of the bulb and embolus, retrolateral, dorsal and apical views, respectively. Scale bars: 20–22 = 0.5 mm; 23–25 = 0.2 mm.
Fig. 54 in Description of a new species of Loxosceles Heineken & Lowe (Araneae, Sicariidae) recluse spiders from Hidalgo, Mexico, under integrative taxonomy: morphological and DNA barcoding data (CO1 + ITS2)
Fig. 54. Maximum likelihood tree inferred from CO1 gene of species of Loxosceles Heineken & Lowe, 1832 from Mexico. Colors of branches and bars indicate different species. Numbers above bars represent the delimitation methods: 1 = morphology (M); 2 = neighbor joining (NJ); 3 = ABGD with initial partitions (IP); 4–6 = ABGD with recursive partitions (RP); 7 = GMYC yule analysis; 8 = GMYC coalescent analysis; 9 = bPTP with ML; 10 = bPTP with IB. Numbers below bars represent species recovered for each delimitation method. Red numbers on branches correspond to Bayesian posterior probabilities, black numbers are bootstrap support values from the ML analysis.
Figure 4 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 4. Potential common prey-size range for Panthera atrox from the late Pleistocene of southeastern Hidalgo, including the herbivores that have been reported at the El Barrio locality (HGO-47). Diamond and line indicate the mean and observed range of body mass (from Van Valkenburgh et al., 2016).
Figure 1 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 1. (a) Index map showing the study area in southeastern Hidalgo, central Mexico; the capital of the state (Pachuca) and the late Pleistocene locality El Barrio (HGO-47) are depicted. (b) Stratigraphic section of the El Barrio locality (HGO-47); the arrow indicates the fossil-bearing level.
Figure 3 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 3. Left fifth metacarpal (UAHMP-4222) of Panthera atrox from the late Pleistocene of southeastern Hidalgo, central Mexico. (a) Ventral, (b) dorsal, (c) medial, (d) lateral, (e) proximal, and (f) distal views. Scale bar equals 2 cm.
Figure 5 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 5. Geographic distribution of Panthera atrox in North America during the late Pleistocene (main source: KurtØn and Anderson, 1980). The gray silhouette indicates the record from southeastern Hidalgo, central Mexico.
Figure 7 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 7. Mexican Pleistocene localities with records of felids. The map is regionalized in the morphotectonic provinces of Ferrusquía-Villafranca (1993). Abbreviations of the morphotectonic provinces as in Table 3. Squares indicate the early Pleistocene localities and circles the late Pleistocene localities. The felid record includes the following species: A: Panthera atrox; B: Panthera onca; C: Puma concolor; D: Puma yagouaroundi; E: Lynx rufus; F: Leopardus pardalis; G: Leopardus wiedii; H: Smilodon fatalis; I: Smilodon cf. S. gracilis; J: Felis rexroadensis; K: Miracinonyx inexpectatus.
Figure 6 in First occurrence of Panthera atrox (Felidae, Pantherinae) in the Mexican state of Hidalgo and a review of the record of felids from the Pleistocene of Mexico
Figure 6. Mexican Pleistocene localities with records of Panthera atrox, considering (a) a hypsometric base and (b) the Mexican biogeographic corridors (sensu Ceballos et al., 2010). Diamond indicates the record from southeastern Hidalgo, central Mexico. Biogeographic corridors: 1, eastern US–Sierra Madre Oriental; 2, western US–Baja California; 3, Rocky Mountains–Sierra Madre Occidental; 4, central US–northern Mexico; 5, Transvolcanic Belt– Sierra Madre del Sur; 6, Tamaulipas–Central America Gulf Lowlands; and 7, Sonora–Central America Pacific Lowlands.
Figure 1. Euryopis scriptipes Banks, 1908 in Primer registro de Euryopis scriptipes Banks, 1908 (Araneae: Theridiidae) para Hidalgo, México con datos sobre su distribución en Norteamérica
Figure 1. Euryopis scriptipes Banks, 1908. Male: A) dorsal view, B) lateral view, C) ventral view; Female: D) dorsal view; E) palp in ventrolateral view, F) epigynum in dorsal view, and G) epigynum in ventral view, *reference bar in palp and epigynum = 0.2 mm.
Figura 2 in Primer registro de Euryopis scriptipes Banks, 1908 (Araneae: Theridiidae) para Hidalgo, México con datos sobre su distribución en Norteamérica
Figura 2. Mapa de registros de E. scriptipes en Norteamérica. Triángulos negros registros previos; círculo naranja nuevo registro.
FIGURE 14 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 14. Caudal skeleton of Paleocharacodon guzmanae gen. and sp. nov., IGM 13119, from the Pliocene Paleolake Amajac deposits in Sanctórum, Hidalgo, Mexico. A) Specimen observed under UV light. B) Idealized line drawing of A. Abbreviations: cc, caudal complex (= preural centrum 1+ ural 1 and 2); ep, epural; hspu, hemal spine of preural centrum; ihf, interhypural foramen; ksp, keel-shaped process; nspu, neural spine of preural centrum; ph, parhypural; pu, preural centrum; sc, scale; ssp, spine-shaped process; ur, urostyle.
FIGURE 2 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 2. Map of the Santa María de Amajac-Sanctórum region at Atotonilco El Grande Municipality, Hidalgo, Mexico, and the lithostratigraphic section of the locality IGM-loc 3875 (Sanctórum-JAO); the yellow areas show the lacustrine deposits of the Paleolake Amajac (modified from Arellano-Gil et al., 2005, figure 2).
FIGURE 3. IGM 13117 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 3. IGM 13117, holotype of Paleocharacodon guzmanae gen. and sp. nov., a pregnant female specimen from the Pliocene lacustrine sediments of the Paleolake Amajac, Sanctórum, Atotonilco El Grande Municipality, Hidalgo, central Mexico. A) Part of the specimen observed in white light. B) Part of the specimen observed under UV light. C) Counterpart of the specimen observed under UV light.
FIGURE 10 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 10. Bones of the jaws preserved in IGM 13121, a female specimen of Paleocharacodon guzmanae gen. and sp. nov., from the Paleolake Amajac deposits, Sanctórum, Mexico. A) closeup of the anterior part of the head under white light. B) Line drawing based on A. Abbreviations: aa, anguloarticular; bst, sharp bicuspid tooth; co, coronomeckelian; d, dentary; mx, maxilla; pl, palatine; pmx, premaxilla; sop, subopercle; ust, unicuspid sharp tooth. In parenthesis i, internal view; l, left; r, right.
FIGURE 13 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 13. Impaired fins of Paleocharacodon guzmanae gen. and sp. nov., from the Pliocene Amajac Paleolake deposits in Sanctórum, Hidalgo, Mexico, observed under UV light. A) Dorsal fin of IGM 13129 (sex undefined; the distal ends branched and segmented of the dorsal rays are covered). B) Anal fin of IGM 13121 (male with anal rays 2 and 13 only preserved as impressions; since the bone of tips of these rays is not-preserved, the arrows show the anterior short rays forming the andropodium and the posterior rays forming a rounded fin). Abbreviations: afr, anal fin ray; amp, anal medial pterygiophore; app, anal pterygiophore; dfr, dorsal fin ray; dmp, dorsal medial pterygiophore; dpp, dorsal proximal pterygiophore.
FIGURE 6 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 6. μCT imagens of IGM 13127, paratype of Paleocharacodon guzmanae gen. and sp. nov., from the lacustrine sediments of the Paleolake Amajac, in Sanctórum, Atotonilco El Grande Municipality, Hidalgo, central Mexico. A) Left side of the head and anterior part of the trunk. B) Quadrate and bones of both jaws exposed on the right side. C) Close-up of bones involved in the articulation quadrate-lower jaw showing the bilobed head of the quadrate and the articular facet of the anguloarticular in which there is a central participation of the retroarticular (here disarticulate and displaced from its normal position) and two enveloping projections of the anguloarticular. D) Right view of the hyoid arch. The scale only applies to A, B and D. Abbreviations: 1, 2a, 2b, 3, pores of the supraorbital sensory canal; aa, anguloarticular; bh, basihyal; br, brachiostegal ray; bst, bicuspid sharp tooth; cha, ceratohyal anterior; chp, ceratohyal posterior; cl, cleitrum; co, coronomeckelian; id; cor, coracoid; d, dentary; dsp, dermosphenotic; entp, entopterygoid; epi, epioccipital; fr, frontal; hy, hyomandibula; ih, interhyal; iop, infraopercle; let, lateral ethmoid; mx, maxilla; na, nasal; op, opercle; pa, parietal; pcli, postcleitrum inferior; pmx, premaxilla; pop, preopercle; psp, parasphenoid; ptt, posttemporal; q, quadrate; r, rib; rar, retroarticular; scl, supracleitrum; soc, supraoccipital; sp, sphenotic; sop, subopercle; sy, symplectic; uh, urohyal; ust, unicuspid sharp tooth; utt, unicuspid truncated tooth; vhh, ventral hypohyal; dubious elements; within parenthesis: i, internal view (if it is not indicated, the structures show the right view); l, left; r, right; va, ventroanterior view; vp, ventroposterior view.
FIGURE 1 in A Pliocene goodeid fish of the Paleolake Amajac, Sanctórum, Hidalgo, Mexico
FIGURE 1. The Sactórum-JAO2 site (= IGM-loc 3875). A) General view. B-D) Close-up views of the millimetric and laminated fossiliferous siltstone strata details. E) Permineralized wood in situ.
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