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18 results for “Kinosternon”
Figure 3. I in Sexual dimorphism in Kinosternon scorpioides (Linnaeus, 1766) from the Brazilian Amazon
Figure 3. I- Principal Component Analysis/wireframe chart of shape (carapace - A and C; and plastron B and D) and II- Discriminant/ Histogram/wireframe function analysis of shape (carapace - A and C; and plastron B and D) of Kinosternon scorpioides. São Luiz-MA, Brazil, 2019. Legend: medium-gray line, black-variation line, blue-male, red-female.
Figure 2 in Sexual dimorphism in Kinosternon scorpioides (Linnaeus, 1766) from the Brazilian Amazon
Figure 2. Location of the ladmarks arranged in carapace - A and plastron - B of Kinosternon scorpioides. São Luiz-MA, Brazil, 2018.
Figure 1 in Sexual dimorphism in Kinosternon scorpioides (Linnaeus, 1766) from the Brazilian Amazon
Figure 1. Geographical distribution of Kinosternon scorpioides collection points. São Luiz -MA, Brazil, 2019.
Fig. 2 in New species of Serpinema (Nematoda: Camallanidae) from the scorpion mud turtle Kinosternon scorpioides (Testudines: Kinosternidae) from eastern Amazon, Brazil
Fig. 2. Line drawings of Serpinema pelliculatus n. sp. (a) Posterior region of male, lateral view. (b) Posterior region of male, ventral view. (c) Spicule, ventral view. (d) Posterior region of female, lateral view. (e) Vulva, lateral view.
Fig. 1 in New species of Serpinema (Nematoda: Camallanidae) from the scorpion mud turtle Kinosternon scorpioides (Testudines: Kinosternidae) from eastern Amazon, Brazil
Fig. 1. Line drawings of Serpinema pelliculatus n. sp. (a) Anterior region of female, lateral view. (b) Anterior region of male, lateral view. (c) Buccal capsule of female, lateral view. (d) Buccal capsule of male, lateral view. (e) Basal ring, apical view. (f) Anterior curved sclerotized structures, lateral view. (g) Cephalic extremity of male, apical view (h) Trident of male, ventral view. (i) Buccal capsule of male, apical view.
Fig. 3 in New species of Serpinema (Nematoda: Camallanidae) from the scorpion mud turtle Kinosternon scorpioides (Testudines: Kinosternidae) from eastern Amazon, Brazil
Fig. 3. Scanning electron microscopy of Serpinema pelliculatus n. sp. (a) Anterior end of male, subventral view; (b) Vulva, subventral view. (c) Posterior region of female, ventral view. (d) Tip tail of female, ventrolateral view. (e) Posterior region of male, subventral view (arrowheads indicate papillae). Abbreviations: anterior lip, Al; anus, An; posterior lip, Pl; trident, Tr.
Genomic analyses of the scorpion mud turtle Kinosternon scorpioides in continental and insular Colombia
<p>The turtle genus <em>Kinosternon</em> is widespread with at least 25 species distributed from Mexico to northern Argentina. The taxonomy of this genus is controversial and requires a full revision using both morphological and molecular approaches. In this study, we did a genomic analysis on the species <em>Kinosternon scorpioides</em> distributed in insular and continental Colombia in order to define conservation units. Total DNA was extracted from 24 tissue samples and RADseq genotyping analysis was done. In addition, the intron R35 was amplified and sequenced for a subset of samples. A total of 35,507 SNPs combined with 1,047 bp of the intron were used for spatiotemporal colonization patterns reconstruction and phylogenetic analyses. In addition, the SNPs were used for population structure inferences and allele frequency-based analyses. According to the long-term reciprocal monophyly, significant differences in allele frequencies (<em>F<sub>st</sub></em><sub> </sub>= 0.37 - 0.8), and evidence of reproductive isolation (no admixture/geneflow), indicate long-term divergence between groups (2-8 MYA), possibly due to the effect of geographic barriers. Four Evolutionarily Significant Units (ESUs) were defined within our sample. One ESU was represented by the insular subspecies <em>K. scorpioides albogulare</em>, found in San Andrés island, and three ESUs were defined for the subspecies <em>K. s. scorpioides</em> in continental Colombia: one trans-Andean, found in northwestern Colombia (Caribbean region) and two cis-Andean, found in eastern and southeastern Colombia in the Orinoco and Amazon regions, respectively. Colonization of this species occurred from an ancestral area of Central America/Caribbean region (~ 8.43 MYA), establishing current populations in San Andrés Island and then, in independents events, on to the Colombian Caribbean, next, in the Orinoco, and more recently, in the Amazon. We hypothesize that the emergence of the Panamá Isthmus, the final uplift North Eastern Andes and Vaupes Arch, were key event leading to the differentiation of these ESUs. For management and conservation purposes, each of these ESUs should be considered as a separate management unit. A full revision of the taxonomy of the genus <em>Kinosternon</em> is warranted. </p>
Genomic analyses of the scorpion mud turtle Kinosternon scorpioides in continental and insular Colombia
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FIGURE 3 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 3. Male paratype of Kinosternon cora sp. nov. MZFC-HE 35629. Dorsal and ventral view. Black line represents 50 mm. Photo by M. A. López-Luna.
FIGURE 7 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 7. Aerial photograph (above) of the type locality of Kinosternon cora. A small temporary lake with affluent streams, surrounded by secondary vegetation (below), and invasive eucalyptus plantations originally planted for forest management.
FIGURE 2 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 2. Female paratypes of Kinosternon cora sp. nov. A MZFC-HE 35628 B UTEP 3908. Dorsal and ventral views. Black lines represent 50 mm. Photo A by M. A. López-Luna, Photo B by Muriel M. Norman and Daniela Dominguez.
FIGURE 9 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 9. Phylogenetic tree showing the relationships of Kinosternidae, and the position of Kinosternon cora sp. nov., based on three mitochondrial and four nuclear loci. Bayesian posterior probabilities of each node are reported; solid circles indicate 1.0 support.
FIGURE 6 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 6. Head patterns of Kinosternon cora sp. nov. A: Female holotype, MZFC-HE 35627, B: Male paratype, MZFC-HE 35629. Unscaled images. Photo by M. A. López-Luna.
FIGURE 1 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 1. Holotype (adult female) of Kinosternon cora sp. nov. MZFC-HE 35627. Dorsal and ventral view. Black line represents 50 mm. Photo by M. A. López-Luna.
FIGURE 5 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 5. Diagnostic differences between Kinosternon cora sp. nov. (A, C, E, G) and Kinosternon vogti (B, D, F, H). A, B: proportions of the nuchal shield; C, D: ratio of the height of the M10 to the adjacent shields; E, F: absence / presence of a notch in the anal shields; G, H: shape and patterning of nasal shield.
FIGURE 8 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 8. Further observations of Kinosternon cora sp. nov. Series of photographs above: Adult male observed near Rosamorada, Municipo de Rosamorada, Nayarit. Photos by J. A. Loc-Barragán. Series of photographs below: Juvenil female observed near Chilapa, Municipio de Rosamorada, Nayarit. Photos by Jorge Larios Luquín.
FIGURE 4 in A New Species of Mud Turtle of Genus Kinosternon (Testudines: Kinosternidae) from the Pacific Coastal Plain of Northwestern Mexico
FIGURE 4. Known distribution of Kinosternon cora sp. nov. in Sinaloa and Nayarit. Yellow star represents the type locality, yellow dots represent additional records. Red dots represent the records of the sister species Kinosternon vogti.
Data from: New mud turtles (Kinosternidae, Kinosternon) from the Middle-Late Miocene of the United States
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