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Dataset results
25 results for “Sahul”
Fig. 18 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 18.ɹA–B: Pilumnus rotundus Borradaile, $ (NSMT-Cr 30760; CB 10.6×CL 7.5 mm) from sta. 29. C: Pilumnus semilanatus Miers, $ (NSMT-Cr 30761; CB 14.7×CL 11.1 mm) from sta. 29. D: Pilumnus minutus (De Haan), Ə (NSMT-Cr 30755; CB 8.9×CL 6.1 mm) from sta. 29. E–F: Pilumnus longicornis Hilgendorf, Ə (NSMT-Cr 30754; CB 11.2×CL 8.6 mm) from sta. 29.
Fig. 16 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 16.ɹA–C: Glabropilumnus seminudus (Miers), $ (NSMT-Cr 30749; CB 17.8×CL 12.1 mm) from sta. 29. D–E: Cryptocoeloma haswelli Rathbun, Ə (NSMT-Cr 30747; CB 7.0×CL 5.0 mm) from sta. 29. F: Serenolumnus kasijani (Serène), ovig. $ (NSMT-Cr.30763; CB 6.4×CL 4.7 mm) from sta. 32.
Fig. 17 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 17.ɹLatopilumnus tuberculosus (Garth and Kim) from sta. 29. A–C: Ə (NSMT-Cr 30780; CB 4.8× CL 3.3 mm). D: $(NSMT-Cr 30781; CB 4.8×CL 3.2 mm).
Fig. 15 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 15.ɹA–C: Camptoplax coppingeri Miers, Ə (NSMT-Cr 30745; CB 5.7×CL 4.5 mm) from sta. 29. D–E: Bathypilumnus pugilator (A. Milne-Edwards), Ə (NSMT-Cr 30743; CB 7.9×CL 5.9 mm) from sta. 29.
Fig. 14 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 14.ɹA–C: Thalamita intermedia Miers, Ə (NSMT-Cr 30737; CB 12.7×CL 8.6 mm) from sta. 29. Dorsal view (A), right anterolateral teeth (B), and front-orbital margin (C). D–F: Thalamita sima H. Milne Edwards, Ə (NSMT-Cr 30738; CB 20.2×CL 14.0 mm)from sta. 30. Dorsal view (D), frontal margin (E), and both chelae (F).
Fig. 12 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 12.ɹCharybdis (Charybdis) rosaea (Hombron and Jacquinot). A: Ə(NSMT-Cr 30774; CB 32.4 mm including lateral teeth×CL 26.6 mm in median line)from sta. 32. B: Ə(NSMT-Cr 30775; 34.8×37.9 mm)from sta. 32. C: Ə(NSMT-Cr 30776; 34.8×27.7 mm)from sta. 32.
Fig. 13 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 13.ɹA–B: Pseudolambrus bidentatus (Flipse), Ə (NSMT-Cr 30729; CB 24.5 mm×CL 23.9 mm) from sta. 29. C: Mclaydromia colini Guinot and Tavares, Ə(NSMT-Cr 30698; CB 4.5×CL 5.1 mm) from sta. 29. D: Lupocycloporus gracilimanus (Stimpson), ovig. $ (NSMT-Cr 30733; CB 24.4 excluding lateral tubercles×CL 17.3 mm) from sta. 29. E: Gonatonotus pentagonus (White), $ (NSMT-Cr 30751; CB 7.6×CL 7.5 mm) from sta. 29. F: Charybdis (Charybdis) jaubertensis Rathbun, Ə(NSMT-Cr 30731; CB 11.3×CL 8.9 mm)from sta. 29.
Fig. 11 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 11.ɹA–C: Achaeus brevirostris (Haswell), Ə (NSMT-Cr 30705; CB 7.2 mm excluding branchial spines×PCL 4.9 mm) from sta. 29. D–E: Prismatopus albanyensis Ward, Ə (NSMT-Cr 30726; CB 10.2 mm excluding branchial spines×PCL 14.9 mm) from sta. 29. F–G: P. peterngi sp. nov., Ə (holotype, NSMT-Cr 30728; CB 11.9 mm excluding branchial spines×PCL 17.8 mm) from sta. 32. G1 (A, B, D, F) and G2 (C, E, G). Scales = 0.5 mm (B, C, E, G) and 1.0 mm (A, D, F).
Fig. 8 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 8.ɹA: Prismatopus albanyensis Ward, Ə (NSMT-Cr 30726; CB 10.2 mm excluding branchial spines×PCL 14.9 mm) from sta. 29. B: Prismatopus peterngi sp. nov., Ə (holotype, NSMT-Cr 32728; CB 11.9 mm excluding lateral spines×PCL 17.8 mm) from sta. 32.
Fig. 10 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 10.ɹA–B: Prismatopus albanyensis Ward, Ə (NSMT-Cr 30726; CB 10.2 mm excluding branchial spines×PCL 14.9 mm) from sta. 29. C–D: Prismatopus peterngi sp. nov., Ə (holotype, NSMT-Cr 30728; CB 11.9 mm excluding branchial spines×PCL 17.8 mm) from sta. 32. Basal antennal article (A, C) and pleon (B, D).
Fig. 9 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 9.ɹA–C: Prismatopus albanyensis Ward, Ə (NSMT-Cr 30726; CB 10.2 mm excluding branchial spines×PCL 14.9 mm) from sta. 29. D–F: Prismatopus peterngi sp. nov., Ə (holotype, NSMT-Cr 30728; CB 11.9 mm excluding lateral spines×PCL 17.8 mm) from sta. 32, in dorsal (A, D), lateral (B, E) and frontal views (C, F).
Fig. 3 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 3.ɹA: Homolid megalopa of? Paromola petterdi (Grant), from off Port Hacking, N.S.W., Australia [after Williamson (1965, fig. 2A, B)]. B–C: Homolid megalopa from Sagami Bay, Japan [after Rice (1971, fig. 1a, b)]. Scale bars: A=2 mm; B, C=5 mm.
Fig. 6 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 6.ɹA: Hyastenus campbelli Griffin and Tranter, Ə (NSMT-Cr 30717; CB 7.7 mm excluding lateral tubercles×PCL 12.4 mm) from sta. 29. Dorsal view. B–C: Phalangipus australiensis Rathbun, ovig. ♀ (NSMT-Cr 30724; CB 13.2 mm×PCL 13.0 mm) from sta. 32. Dorsal (B) and lateral (C) views. D–E: Austrolibinia gracilipes (Miers), Ə (NSMT-Cr 30714; CB 11.0 mm excluding lateral spines×PCL 9.5 mm) from sta. 30. Dorsal (D) and anterior dorsal (E) views. F–H: Hyastenus kyusyuensis (Yokoya), Ə (NSMT-Cr 30720; CB 5.3 mm excluding branchial spines×PCL 8.7 mm) from sta. 29. Dorsal (F), ventral (G) and lateral (H) views.
Fig. 7 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 7.ɹNaxioides sahulensis sp. nov., ♀ (holotype, NSMT-Cr 30722; CB 10.6 mm excluding lateral spines×PCL 13.8 mm excluding intestinal spine) from sta. 32. A: Dorsal habitus. B–D: Cephalothorx in dorsal (B), ventral (C) and lateral (D) views.
Fig. 5 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 5.ɹA: Achaeus brevirostris (Haswell), Ə (NSMT-Cr 30706; CB 5.1×CL 7.6 mm) from sta. 29. B: Achaeus lacertosus Stimpson, ♀ (NSMT-Cr 30707; CB 3.2×CL 3.8 mm) from sta. 29. C: Achaeus paradicei Griffin, Ə (NSMT-Cr 30709; CB 3.6×CL 4.7 mm) from sta. 29. D: Oncinopus kathae Davie, ovig. ♀ (NSMT-Cr 30711; CB 5.8×CL 7.9 mm) from sta. 29. E: O. postillonensis Griffin and Tranter, ovig. ♀(NSMT-Cr 30712; CB 5.4×CL 6.2 mm) from sta. 29.
Fig. 4 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 4.ɹColeusia magna (Tyndale-Biscoe and George), carapace (NSMT-Cr 30702; CB 28.0 mm×CL 33.6 mm) from sta. 29. Dorsal view (A) to show general shape and dorsal blotches. B–C: Lateral view to show trails of thoracic sinus and granules.
Fig. 2 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 2.ɹA homolid megalopa (NSMT-Cr 30699; CB 4.5 mm excluding lateral spines×CL 5.0 mm excluding frontal spines) from sta. 33, in different views.
Fig. 1 in Crabs (Crustacea, Decapoda) from the Seas of East and Southeast Asia Collected by the RV Hakuhō Maru (KH-72-1 Cruise) 3. Sahul Shelf
Fig. 1.ɹA–C: Cryptodromia amboinensis De Man, ♀ (NSMT-Cr 30697; CB 4.5×CL 4.2 mm) from sta. 29. Dorsal (A), frontal (B) and frontal upper (C) views. D: Urnalana whitei (Bell), ♂ (NSMT-Cr 30704; CB 6.6×CL 7.2 mm) from sta. 29. E: Myra australis Haswell, ♀ (NSMT-Cr 30703; CB 9.7×CL 11.1 mm including posterior tubercle) from sta. 29. F: Drachiella morum (Alcock), ♀ (NSMT-Cr 30701; CB 8.0×CL 7.0 mm) from sta. 29.
Data from: Dietary responses of Sahul (Pleistocene Australia–New Guinea) megafauna to climate and environmental change
Throughout the late Quaternary, the Sahul (Pleistocene Australia–New Guinea) vertebrate fauna was dominated by a diversity of large mammals, birds, and reptiles, commonly referred to as megafauna. Since ca. 450–400Ka, approximately 88 species disappeared in Sahul, including kangaroos exceeding 200kg in size, wombat-like animals the size of hippopotamuses, flightless birds, and giant monitor lizards that were likely venomous. Ongoing debates over the primary cause of these extinctions have typically favored climate change or human activities. Improving our understanding of the population biology of extinct megafauna as more refined paleoenvironmental data sets become available will assist in identifying their potential vulnerabilities. Here, we apply a multiproxy approach to analyze fossil teeth from deposits dated to the middle and late Pleistocene at Cuddie Springs in southeastern Australia, assessing relative aridity via oxygen isotopes as well as vegetation and megafaunal diets using both carbon isotopes and dental microwear texture analyses. We report that the Cuddie Springs middle Pleistocene fauna was largely dominated by browsers, including consumers of C4 shrubs, but that by late Pleistocene times the C4 dietary component was markedly reduced. Our results suggest dietary restriction in more arid conditions. These dietary shifts are consistent with other independently derived isotopic data from eggshells and wombat teeth that also suggest a reduction in C4 vegetation after ~45 Ka in southeastern Australia, coincident with increasing aridification through the middle to late Pleistocene. Understanding the ecology of extinct species is important in clarifying the primary drivers of faunal extinction in Sahul. The results presented here highlight the potential impacts of aridification on marsupial megafauna. The trend to increasingly arid conditions through the middle to late Pleistocene (as identified in other paleoenvironmental records and now also observed, in part, in the Cuddie Springs sequence) may have stressed the most vulnerable animals, perhaps accelerating the decline of late Pleistocene megafauna in Australia.
Sunda-Sahul floristic exchange and pathways into the Southwest Pacific: New insights from wet tropical forest trees
<p><strong>Aim</strong> Recent investigations on the floristic exchange between Southeast Asia and Australia have shown a clear dispersal directionality bias (West to East) of wet-adapted plant taxa. However, dispersal routes and directions of wet forest taxa into the South Pacific remain insufficiently known. We here aimed to establish the most likely routes and directions of plant dispersal into the Southwest Pacific islands.</p> <p><strong>Location</strong> Southeast Asia, East Asia, Australia, Southwest Pacific.</p> <p><strong>Taxon</strong> <em>Dysoxylum</em> s.l. (Meliaceae). This includes <em>Dysoxylum</em> s.s., <em>Didymocheton</em>, <em>Epicharis</em>, <em>Goniocheton</em>, <em>Pseudocarapa</em> and <em>Prasoxylon</em>.</p> <p><strong>Method</strong> We sampled 75% of the species diversity in <em>Dysoxylum</em> s.l., covering the entire distribution range, all genera and major lineages. Phylogenetic relationships of 149 accessions were reconstructed using Bayesian Evolutionary Analysis and two internal constraints. The dispersal–extinction–cladogenesis variant, founder-event speciation (DEC+J), was used for reconstructing the biogeographic history, and 100 BSMs were simulated.</p> <p><strong>Results</strong> <em>Dysoxylum</em> s.l. originated and firstly diversified in the western part of its current distribution range (incl. Indochina) during the Miocene to Pliocene, followed by an overall eastern range expansion towards Malesia, Australia and the Southwest Pacific in the Pliocene.</p> <p><strong>Main</strong> <strong>conclusions</strong> The south-eastward expansion of lineages into Wallacea and Australia is in temporal agreement with the convergence of the Asian and Australian tectonic plates since the Miocene. Long-distance dispersal is the main mechanism that led to the current distribution. Two dispersal pathways into the Southwest Pacific are identified, (1) through New Guinea and the Solomon Islands to Fiji, and (2) from New Zealand to Fiji. For both routes, Fiji was an important secondary source area for dispersal into the Southwest Pacific.</p>
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