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13 results for “Umbilicus”
Text-fig. 8. a. Shell belonging to one flank of the conch a horizontally bedded individual with sveral large oysters attached to its underside indicating that the shell was either originally vertical or was flipped from one surface to the other by turbulance. Approximately 300 mm across. b. Crushed individual showing oysters encrusting both flanks of the conch. 250 mm in diameter. c. Wave-worn conch showing oysters attached to the umbilicus, the venter and possibly the inside of the body-chamber. Tape measure for scale. d. Flank of conch with crinoid debris and oysters spread around its periphery. Scope of image approximately 350 mm. in 'Cenoceras Islands' In The Blue Lias Formation (Lower Jurassic) Of West Somerset, Uk: Nautilid Dominance And Influence On Benthic Faunas
Text-fig. 8. a. Shell belonging to one flank of the conch a horizontally bedded individual with sveral large oysters attached to its underside indicating that the shell was either originally vertical or was flipped from one surface to the other by turbulance. Approximately 300 mm across. b. Crushed individual showing oysters encrusting both flanks of the conch. 250 mm in diameter. c. Wave-worn conch showing oysters attached to the umbilicus, the venter and possibly the inside of the body-chamber. Tape measure for scale. d. Flank of conch with crinoid debris and oysters spread around its periphery. Scope of image approximately 350 mm.
FIGURE 5 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 5. Left: Schematic of complete phylogeny inferred from maximum likelihood analysis of four molecular loci (lnL = -41177.18), showing major groups of Opiliones. Right: Detail of phylogenetic relationships and geographical origins of Miopsalis specimens. Numbers on nodes indicate ultrafast bootstrap resampling frequencies.
FIGURE 4 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 4. Miopsalis dilly sp. nov. (A) Spermatopositor, dorsal view. (B) Same, ventral view. (C) Detail of the gonopore complex. Scale bars as indicated.
FIGURE 2 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 2. Miopsalis dilly sp. nov. (A) Male paratype, ventral view of prosomal complex. (B) Female paratype, same. (C) Male paratype, ventral view of posterior part of opisthosoma. (D) Female paratype, same. Scale bars: 500 µm.
FIGURE 1 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 1. Miopsalis dillyi sp. nov. (A) Habitus of male holotype, dorsal view. (B) Same, ventral view. (C) Same, lateral view. (D) Habitus of female paratype, doral view. (E) Same, ventral view. (F) Same, lateral view. Scale bars as indicated.
FIGURE 3 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 3. Miopsalis dilly sp. nov., details of limbs in retrolateral view. (A) Left chelicera of male paratype. (B) Right palp of male paratype. (C) Left leg I of male paratype. (D) Tarsus I of male paratype. (E) Right leg II of male paratype. (F) Left leg III of male paratype. (G) Right leg IV of male paratype. (H) Left leg IV of female paratype. (I) Tarsus IV of male paratype. (J) Tarsus I of female paratype (tarsal claw damaged during preparation). (K) Tarsus IV of female paratype. Scale bars: 500 µm.
Data from: Spotted stream frog diversification at the Australasian faunal zone interface, mainland versus island comparisons, and a test of the Philippine 'dual-umbilicus' hypothesis
Aim: We utilize comprehensive geographical sampling and a new, multilocus dataset to re-examine the biogeography of spotted stream frogs throughout Southeast Asia. We compare patterns of diversification among stream frog populations on land-bridge islands and oceanic islands and we reevaluate a previous 'dual-invasion' hypothesis for the origins of several endemic Philippine taxa. Location: Southeast Asia, Sundaland, and the Philippines. Methods: Stream frogs were collected and sequenced for two mitochondrial and two nuclear gene regions. We used summary statistics and phylogenetic networks to characterize the geographic distribution of genetic variation. Phylogenetic relationships and ancestral biogeographic ranges were estimated using Bayesian and likelihood methods. Finally, we used the preferred topology and trees from the posterior distribution of the Bayesian analyses to evaluate a previous biogeographic 'dual-invasion' topological hypothesis. Results: In contrast to expectations, we found evidence of highly divergent, demographically stable, and geographically regionalized lineages (including currently unrecognized putative species) in the land-bridge island clade, but minimally divergent, widespread and clinally distributed (with evidence of recent demographic expansion) populations in adjacent oceanic island populations. Novel phylogenetic relationships depart from previous studies and our data strongly reject the previously published 'dual-invasion' topological hypothesis. Main: conclusions Our results join a new body of literature suggesting that the biogeographic distribution of species diversity on mainland areas and continental shelf islands may harbor high levels of unrecognized diversity in conspicuous vertebrate groups, whereas adjacent oceanic island archipelagos can and do support naturally occurring widespread species or minimally divergent clades. Although increased sampling coupled with more sophisticated methods indicate that the original individual identities of species previously hypothesized to be involved in the 'dual-invasion' scenario may have been incorrect, this mechanism for faunal exchange between the archipelago and adjacent mainland undoubtedly has contributed to the accumulation of endemic vertebrate diversity in the Philippines.
FIGURE 2 in Notes on the nomenclature and taxonomy of Chiastophyllum and Umbilicus oppositifolius (≡Cotyledon oppositifolia, ≡Chiastophyllum oppositifolium) (Crassulaceae subfam. Sempervivoideae)
FIGURE 2. The leaves of most species of Umbilicus, such as U. rupestris (Salisbury 1796: 307) Dandy (1948: 611) shown here as a lithophyte on a rock wall in central Portugal near the town of Serra de Santo António, are peltate, more or less round in outline, and have a navel-like depression in the centre (for which the genus was named). Photograph: Gideon F. Smith.
FIGURE 1 in Notes on the nomenclature and taxonomy of Chiastophyllum and Umbilicus oppositifolius (≡Cotyledon oppositifolia, ≡Chiastophyllum oppositifolium) (Crassulaceae subfam. Sempervivoideae)
FIGURE 1. The leaves of Umbilicus oppositifolius are more or less ovate and, unlike those of most species of Umbilicus, not peltate. Photograph provided by and © of Ray Stephenson, U.K. Reproduced with his permission.
Data from: Spotted stream frog diversification at the Australasian faunal zone interface, mainland versus island comparisons, and a test of the Philippine ‘dual-umbilicus’ hypothesis
Open the record for dataset details and reuse information.
Palmer's Point Versus The Umbilicus As Routine Primary Entry Site In Gynecologic Laparoscopy
ClinicalTrials.gov study NCT04216979. IPD Sharing: NO. Countries: 1. Publications: 0.
Laparoscopic Hernia Repair With Lateral Umbilicus Ligament for Children
ClinicalTrials.gov study NCT01377181. IPD Sharing: Not stated. Countries: 1. Publications: 0.
FIGURE 6 in A new Miopsalis from Mindanao supports a biogeographic umbilicus between Borneo and the southern Philippines (Arachnida: Opiliones: Cyphophthalmi: Stylocellidae)
FIGURE 6. Map of collecting localities for Miopsalis. Green: Previously described species. Blue: Miopsalis dilly sp. nov. Pink: Two juvenile Miopsalis sp. previously sequenced for DNA and distinct from Miopsalis dillyi sp. nov. Yellow: Undescribed morphospecies of Miopsalis included in previous molecular phylogenetic analyses.
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