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45 results for “Hoplodactylus”
Linked collectors and determiners for: Hoplodactylus tohu Scarsbrook & amp; Walton & amp; Rawlence & amp; Hitchmough 2023, n. sp..
Natural history specimen data linked to collectors and determiners held within, "Hoplodactylus tohu Scarsbrook & amp; Walton & amp; Rawlence & amp; Hitchmough 2023, n. sp.". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/f8198457-2d15-47d7-9a86-33a4868505d8">https://bionomia.net/dataset/f8198457-2d15-47d7-9a86-33a4868505d8</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/f8198457-2d15-47d7-9a86-33a4868505d8">https://gbif.org/dataset/f8198457-2d15-47d7-9a86-33a4868505d8</a>. Formatted as a Frictionless Data package.
Hoplodactylus duvaucelii sequencing reads (FastQ) - modern, historic and ancient
<p class="MsoNormal"><span>Methodological and technological improvements are continually revolutionizing the field of ancient DNA. Most ancient DNA extraction methods require the partial (or complete) destruction of finite museum specimens, which disproportionately impacts small or fragmentary subfossil remains, and future analyses. We present a minimally destructive ancient DNA extraction method optimized for small vertebrate remains. We applied these methods to detect lost mainland genetic diversity in the large New Zealand diplodactylid gecko genus <em>Hoplodactylus, </em></span>which is presently restricted to predator-free island and mainland sanctuaries. <span>We present the first mitochondrial genomes for New Zealand diplodactylid geckos, recovered from 19 modern, six historic/archival </span>(1898 to 2011) <span>and 16 Holocene <em>Hoplodactylus duvaucelii</em> <em>sensu latu</em> specimens, and one modern <em>Woodworthia</em> sp. specimen. No obvious damage was observed in post-extraction micro-CT reconstructions. All 'large gecko' specimens examined from extinct populations were found to be conspecific with extant <em>Hoplodactylus</em> species, suggesting their large relative size evolved only once in the New Zealand diplodactylid radiation. Phylogenetic analyses of <em>Hoplodactylus </em>samples recovered two genetically (and morphologically) distinct North and South Island clades, probably corresponding to distinct species. Finer phylogeographic structuring within <em>Hoplodactylus </em>spp<em>.</em> highlighted the impacts of Late-Cenozoic biogeographic barriers, including the opening and closure of Pliocene marine straits, fluctuations in size and suitability of glacial refugia, and eustatic sea-level change. Recent mainland extinction obscured these signals from the modern tissue derived data. </span>These results highlight the utility of minimally destructive DNA extraction in genomic analyses of less well studied small vertebrate taxa, and the conservation of natural history collections.</p>
Hoplodactylus duvaucelii sequencing reads (FastQ) - modern, historic and ancient
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FIGURE 4 in A new species of Hoplodactylus (Reptilia: Pygopodidae) from the Takitimu Mountains, South Island, New Zealand
FIGURE 4. Sloughed skins of Hoplodactylus cryptozoicus (A) and sisterspecies H. nebulosus (B), illustrating differences in body colour pattern. The H. cryptozoicus skin is from the specimen featured in Fig. 2; the H. nebulosus skin is from a typical example of the species (collected from Big Island). Note the browner colouration of the H. cryptozoicus skin (resulting from the orange pigmentation) and an absence of the dark flecks which embellish H. nebulosus. (Photographs by T. Jewell).
FIGURE 3 in A new species of Hoplodactylus (Reptilia: Pygopodidae) from the Takitimu Mountains, South Island, New Zealand
FIGURE 3. Habitat of H. cryptozoicus, showing the scree in which the species occurs, and the alpine vegetation, which surrounds it. The holotype was collected 1.5m uphill from the person shown here and the captive male shown in Fig. 2 was collected near the horizon of the scree in line with the tarns, which are visible in the background. (Photograph by T. Jewell)
FIGURE 1 in A new species of Hoplodactylus (Reptilia: Pygopodidae) from the Takitimu Mountains, South Island, New Zealand
FIGURE 1. Scalation of the head and feet of H. cryptozoicus (specimen: holotype). A) head, lateral view; B) head, frontal view; C) underside of hind foot. Scale bar = 4 mm.
FIGURE 1 in Revision of the New Zealand gecko genus Hoplodactylus, with the description of a new species
FIGURE 1. Maps of New Zealand showing distribution of Hoplodactylus duvaucelii (Duméril & Bibron 1836) (left) and H. tohu n. sp. (right), with inter- and intraspecific phylogenetic distance highlighted in a simplified mitochondrial genome phylogeny (bottom; adapted from Scarsbrook et al. 2022). Extant relict (pink) and translocated (purple) populations, historic (yellow) and Holocene subfossil records (blue) are indicated (Supp. Tables 1–2), with triangles denoting localities included in genetic analyses (see phylogeny). Abbreviations for referenced localities are as follows: Cape Maria van Dieman (CM), Poor Knights Islands (PK), Hen and Chickens Islands (HC), Great Barrier Island (GB), Maungatautari Ecosanctuary (ME) and Mana Island (MI).
FIGURE 4 in Revision of the New Zealand gecko genus Hoplodactylus, with the description of a new species
FIGURE 4. Living individuals of Hoplodactylus species. A–C, Hoplodactylus tohu n. sp.; D–F, H. duvaucelii (Duméril & Bibron 1836). A, Brothers Islands (Cook Strait); B–C, Sentinel Rock (Marlborough Sounds). D–F, Korapuki Island (Mercury Islands). The first and second rows show sub-adult and adult representatives of each species respectively. Photographs: Nicholas Harker (Auckland, New Zealand).
FIGURE 2 in Revision of the New Zealand gecko genus Hoplodactylus, with the description of a new species
FIGURE 2. Hoplodactylus (Fitzinger, 1843) sp.—dorsal and ventral body views (left-right). A, Hoplodactylus tohu n. sp., holotype, Middle Trios Island, Marlborough Sounds, RE.000503. B, Hoplodactylus duvaucelii Duméril & Bibron, 1836, topotype, Muriwhenua Island, Hen and Chickens Islands, RE.003491. Automontage images generated by Jean-Claude Stahl (NMNZ). Scale bar = 20 mm.
F. 3 in Hoplodactylus tohu Scarsbrook & Walton & Rawlence & Hitchmough 2023, n. sp.
F. 3. Respiratory exchange ratio (mL CO - mL O —1) of P. siculus (n IG 2 2 = 19) at 14 d prior to tail autotomy (preautotomy), 2 d after autotomy (postautotomy), and 64 d after autotomy (follow-up). Horizontal lines within each box indicate the median values, and the box boundaries indicate the lower quartile (lower boundary) and upper quartile (upper boundary). Whiskers indicate minimum and maximum values within a quartile ± 1.5 times the interquartile range; individual points are outliers that occurred outside this range. Different letters above each plot represent significant differences among means at those time points.
FIG. 3 in Hoplodactylus duvaucelii
FIG. 3. Relationships among behavioral, corticosterone (CORT), and shell melanization traits. Stress-induced plasma CORT and boldness (head emergence latency) are shown on a logarithmic scale. Censored values of CORT levels (<0.57 ng/mL) and boldness (head emergence latencies>600 sec) are indicated by triangular symbols.
FIG. 6 in Hoplodactylus duvaucelii
FIG. 6. Boxplots of parameter estimates of K (A) and Loi (B) from level-2 of the growth model for males. Creek was not significantly associated with the Loi; however, males in Terrapin Creek did exhibit significantly greater growth coefficients (K) than males in Fiddler Creek. Boxes represent the interquartile range (IQR), the horizontal line in the middle of the box represents the mean, and the vertical whiskers extend to 1.5 × IQR.
FIG. 5 in Hoplodactylus duvaucelii
FIG. 5. Loi (A) and K (B) parameter estimates (black dots) and 95% credible intervals (blue lines) for individual male Diamondback Terrapins. In both panels, individuals are ordered from smallest to largest mean estimates; 56% of Loi estimates differ (i.e., 95% credible intervals do not overlap), whereas 23% of K estimates differ.
FIG. 3 in Hoplodactylus duvaucelii
FIG. 3. Boxplots of parameter estimates of K (A) and Loi (B) from level 2 of the growth model. For female Diamondback Terrapins, creek was not significantly associated with any of the variability in the growth parameters. Boxes represent the interquartile range (IQR), the horizontal line in the middle of the box represents the mean, and the vertical whiskers extend to 1.5 × IQR.
FIG. 2 in Hoplodactylus duvaucelii
FIG. 2. Loi (A) and K (B) parameter estimates (black dots) and 95% credible intervals (red lines) for individual female Diamondback Terrapins. In both panels, individuals are ordered from smallest to largest mean estimates; 24% of Loi estimates differ (i.e., 95% credible intervals do not overlap), whereas 29% of K estimates differ.
FIG. 4. Individual growth model fits for 36 in Hoplodactylus duvaucelii
FIG. 4. Individual growth model fits for 36 male Diamondback Terrapins. Blue lines represent the individual von Bertalanffy model fits for the corresponding plastron-at-age observations, which are represented with black dots. The 95% credible regions are show in the pink-shaded region.
FIG. 5 in Hoplodactylus duvaucelii
FIG. 5. Effects of plastron temperature (A) and total stress exposure time (B) on stress-induced plasma corticosterone (CORT) levels. Total stress exposure time is the elapsed time from initial contact to completion of the final (stress-induced) blood sampling, including confinement, handling, and bleed times. CORT levels are shown on a logarithmic scale. Censored values of CORT levels (<0.57 ng/mL) appear below the horizontal line representing the detection limit.
FIG. 1. Individual growth model fits for 44 in Hoplodactylus duvaucelii
FIG. 1. Individual growth model fits for 44 female Diamondback Terrapins. Red lines represent the individual von Bertalanffy model fits for the corresponding plastron-at-age observations, which are represented with black dots. The 95% credible regions are shown in the blue-shaded region.
FIG. 10 in Hoplodactylus tohu Scarsbrook & Walton & Rawlence & Hitchmough 2023, n. sp.
FIG. 10. Habitat of the type locality of SelƲasaura almendarizae sp. nov. at Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador. Photograph by J. D. Camper.
FIG. 9 in Hoplodactylus tohu Scarsbrook & Walton & Rawlence & Hitchmough 2023, n. sp.
FIG. 9. Distribution of SelƲasaura almendarizae sp. nov. in Ecuador. Arrow points at type locality. The northernmost locality is based on the photographs presented in Fig. 6C,D.
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