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Figure 5 from: Tomikawa K, Kimura N (2021) On the brink of extinction: a new freshwater amphipod Jesogammarus acalceolus (Anisogammaridae) from Japan. ZooKeys 1065: 81-100. https://doi.org/10.3897/zookeys.1065.71687
Figure 5 Jesogammarus (Jesogammarus) acalceolus sp. nov., female (7.3 mm), NSMT-Cr 29004 A peduncular articles 1–3, accessory flagellum, and flagellar articles 1–4 of antenna 1, medial view B peduncular articles 1–5 and flagellar articles 1–3 of antenna 2, medial view C ischium-dactylus of gnathopod 1, medial view D palmar margin of propodus and dactylus of gnathopod 1, medial view, some setae omitted E ischium-dactylus of gnathopod 2, medial view F palmar margin of propodus and dactylus of gnathopod 2, medial view, some setae omitted G–I coxa-ischium of pereopods 5–7, respectively, lateral views J brood plate on gnathopod 2, lateral view K uropod 3, ventral view.
Figure 1 from: Tomikawa K, Kimura N (2021) On the brink of extinction: a new freshwater amphipod Jesogammarus acalceolus (Anisogammaridae) from Japan. ZooKeys 1065: 81-100. https://doi.org/10.3897/zookeys.1065.71687
Figure 1 Habitat and live specimens of Jesogammarus (Jesogammarus) acalceolus sp. nov. A the type locality, Haguro Shrine Spring, Hirosaki, Aomori Prefecture, Japan B mate guarding pair, male is upper and female is lower, photographed by Ryu Uchiyama.
Figure 9 in Taxonomy, phylogeny, and diversity of the extinct Lesser Antillean rice rats (Sigmodontinae: Oryzomyini), with description of a new genus and species
Figure 9. Cranium and mandible of Oligoryzomys victus (NHM 97.12.26.1). Scale bar: 5 mm.
Figure 4 in Taxonomy, phylogeny, and diversity of the extinct Lesser Antillean rice rats (Sigmodontinae: Oryzomyini), with description of a new genus and species
Figure 4. Plantar view of left hindfoot of Megalomys desmarestii (NHM 50.11.30.6). Scale bar: 1 cm.
Figure 4 in Retromalisus damzeni, gen. et sp. nov., a second Baltic amber taxon of the extinct family Berendtimiridae (Insecta: Coleoptera)
Figure 4. Head of Retromalisus damzeni gen. et sp. nov., holotype male, ventral view, contour.
Figure 2 in Retromalisus damzeni, gen. et sp. nov., a second Baltic amber taxon of the extinct family Berendtimiridae (Insecta: Coleoptera)
Figure 2. General view of Retromalisus damzeni gen. et sp. nov., holotype male, ventral view.
Figure 1 in Retromalisus damzeni, gen. et sp. nov., a second Baltic amber taxon of the extinct family Berendtimiridae (Insecta: Coleoptera)
Figure 1. General view of Retromalisus damzeni gen. et sp. nov., holotype male, dorsal view.
native non-endemic flora for each abundance class. [n = total in each category; D? = probably extinct; RR = very rare; R = rare; PF = infrequent or disseminated; LOC = localised; C = common; CC = very common] in Floristic analyses of the Corsican flora: biogeographical origin and endemism
native non-endemic flora for each abundance class. [n = total in each category; D? = probably extinct; RR = very rare; R = rare; PF = infrequent or disseminated; LOC = localised; C = common; CC = very common]
FIGURE 5 in The Kiandra leek orchid is the previously presumed extinct mignonette leek orchid (Orchidaceae; Orchidoideae): evidence from morphological comparisons
FIGURE 5. Photo of a Prasophyllum retroflexum flower that has been stored in 80% ethanol.
Scaling the extinction vortex: Body size as a predictor of population dynamics close to extinction events
<ol> <li class="Body">Mutual reinforcement between abiotic and biotic factors can drive small populations into a catastrophic downward spiral to extinction – a process known as the 'extinction vortex.' However, empirical studies investigating extinction dynamics in relation to species' traits have been lacking.</li> <li class="Body">We assembled a database of 35 vertebrate populations monitored to extirpation over a period of at least ten years, represented by 32 different species, including 25 birds, five mammals and two reptiles. We supplemented these population time series with species-specific mean adult body size to investigate whether this key intrinsic trait affects the dynamics of populations declining towards extinction.</li> <li class="Body">We performed three analyses to quantify the effects of adult body size on three characteristics of population dynamics: time to extinction, population growth rate, and residual variability in population growth rate.</li> <li class="Body">Our results provide support for the existence of extinction vortex dynamics in extirpated populations. We show that populations typically decline non-linearly to extinction, while both the rate of population decline, and variability in population growth rate increase as extinction is approached. Our results also suggest that smaller-bodied species are particularly prone to the extinction vortex, with larger increases in rates of population decline and population growth rate variability when compared to larger-bodied species.</li> <li class="Body">Our results reaffirm and extend our understanding of extinction dynamics in real-life extirpated populations. In particular, we suggest that smaller-bodied species may be at greater risk of rapid collapse to extinction than larger-bodied species, and thus management of smaller-bodied species should focus on maintaining higher population abundances as a priority. </li> </ol>
Distribution. Savannas of Eritrea and NW Ethiopia; probably extinct in Sudan. in Bovidae
Distribution. Savannas of Eritrea and NW Ethiopia; probably extinct in Sudan.
Map 1 in Rediscovery of presumed extinct Hypoestes lanata (Acanthaceae), a little known endemic species from the Western Ghats of Maharashtra, India
Map 1. Distribution map of Hypoestes lanata Dalzell.
Supplementary material 1 from: Kneubühler J, Baggenstos M, Neubert E (2022) On the verge of extinction – revision of a highly endangered Swiss alpine snail with description of a new genus, Raeticella gen. nov. (Gastropoda, Eupulmonata, Hygromiidae). ZooKeys 1104: 69-91. https://doi.org/10.3897/zookeys.1104.82866
Calculated p-distances of the COI of the investigated specimens.
FIGURE 5 in A new species of extinct Late Quaternary giant tortoise from Hispaniola
FIGURE 5. Schematic interpretation of surface features of plastron and carapace fragments of Chelonois marcanoi sp. nov. from Pedernales Province, Dominican Republic, showing natural borders (thick solid lines), broken borders (dotted lines), sutures (dashed lines), external sulci (thin solid lines), and internal ridges associated with costal ribs (grey filled lines). a, external surface of epiplastron fragment (MNHNSD FOS 23.1056); b, external surface of epiplastron fragment (MNHNSD FOS 23.1060); c, internal surface of costal fragment (NHMUK PV R 36955); d, external surface of peripheral fragment (MNHNSD FOS 23.1061); e, external surface of fragment from border of carapacial rim, including two peripherals and part of costal plate (MNHNSD FOS 23.1062). All specimens drawn to scale.
Quantifying the impact of the food we eat on species extinctions supplementary dataset
<p>Feed and food provenance and impacts as calculated via the methods described in the manuscript. Provenance values are in tons. The column 'Value' represents the portion of the item (and animal product) combination consumed within the country that originates in the country ISO3 label in the column 'Country_ISO'. Biodiversity impacts per-kilogram are contained in the column 'bd_opp_cost'.</p> <p>Note that producer and consumer country codes, and item and animal product codes align with the FAOSTAT standards. </p>
Fig. 5 in On Triassic Murchisonia-like gastropods-surviving the end-Permian extinction to become extinct in the Late Triassic
Fig. 5. Goniasmatid caenogastropod Vistilia salisburgensis (Schnetzer, 1934), Anisian, Saalfelden, Salzburg, Austria. A. SNSB-BSPG AS XXXIV 557, holotype and original of Schnetzer (1934: pl. 1: 12), in lateral view (A1), detail of last preserved whorl in lateral view (A2, A3), detail of last preserved whorl in lateral view to show growth lines and selenizone (slit-band) on crest (A4). B. SNSB-BSPG AS XXXIV 559, paratype, in lateral view (B1), basal view (B2), detail of last preserved whorl in lateral view to show growth lines and selenizone (slit-band) on crest (B3).
Figure 5. – Latimeria chalumnae. Specimen CCC 24 in The lungs of extinct and extant coelacanths: a morphological and histological review
Figure 5. – Latimeria chalumnae. Specimen CCC 24 (MNHN- ZA-AC-2012-19). SEM images of the small mineralized plates of the lung. A: Smooth and slightly glossy surface of the plate (white asterisk) with the layers of collagen fibres (white arrows). B: Detail of the collagenous bundles in the successive conjunctive layers. C: An osteocyte (white arrowhead) with its cytoplasmic extensions (white arrows). D: Broken margin of a plate, with the artefactual lumen in the centre of the plate (white asterisk), several collagenous layers (white arrow-heads) and a bulk of mineralized spherules (white arrows). Inset: detail of the bulk of mineralized spherules. Scale bars: A, D = 100 μm; B = 20 μm; C, inset D = 25 μm.
Figure 2. – A-E in The lungs of extinct and extant coelacanths: a morphological and histological review
Figure 2. – A-E: Latimeria chalumnae. CCC3 (MNHN-ZA- AC-2012-1) (A) and CCC79 (MNHN-ZA-AC-2012-26) (B-E). A: Photograph of three mineralized plates (black and white arrows) originally positioned on the external surface of the vestigial lung (vl). B-D: External views of three isolated mineralized plates. E: Internal view of a mineralized plate with demarcation between the mineralization field stained with alizarin red, and the non-min- eralized margin (black asterisk). F: †Axelrodichthys araripensis, "Josa collection" (specimen deposited at the Laboratoire of Pale- ontology, MNHN, Paris). Right lateral view showing the posterior portion of the lung with its imbricated ossified plates. Scale bars: A = 2.5 mm; B-D = 250 μm; E = 200 μm; F = 5 mm.
Figure 8. – A-D in The lungs of extinct and extant coelacanths: a morphological and histological review
Figure 8. – A-D: †Swenzia latimerae from the Jurassic of France (specimen MNHN.F.JRE47). SEM images of the bony plates of the lung. A: The bumpy reliefs on the surface correspond to the spheritic mineralization. The white asterisk localizes the detail of Fig. 8D. B: Detail of an osteocyte lacuna (white arrow) with one osteocytic canalicle (black arrow). C: Detail of a bulk of mineralized spherules (white arrowheads). D: Detail of some mineralized spherules. Scale bars: A = 50 μm; B, D = 10 μm; C = 20 μm.
Figure 1. – A in The lungs of extinct and extant coelacanths: a morphological and histological review
Figure 1. – A: †Macropoma mantelli Agassiz, 1835. Drawing of the left lateral view of the Cretaceous specimen NHMUK PV P 4219 (from Agassiz 1833-1844, Vol 2: Pl. 65A). The calcified lung (black arrow) occupied the whole length of the abdominal cavity. It is surrounded by imbricate ossified plates. B: †Macropoma lewesiensis (Mantell, 1822) (= †Macropoma mantelli). Reconstruction of the skeleton showing the ossified plates (black arrow) of the lung (after Forey, 1998: fig. 11.11). C: † Axelrodichthys araripensis. Left lateral view of specimen "Josa collection" MNHN, Paris) from the Cretaceous of Brazil showing the lung (white arrowhead) which occupied the whole length of the abdominal cavity. D: Latimeria chalumnae. Three-dimensional reconstruction of the specimen CCC22 (MNHN-ZA-AC-2012-18). In red: vestigial lung (white arrow); in yellow: digestive tract (black arrow-head); in green: fatty organ (black arrow) (from Cupello et al., 2017a: fig. 1a) E: Three-dimensional reconstruction of the lung surrounded by bony plates of L. chalumnae adult specimen CCC28 (MNHN-ZA-AC-2020-35.2). In yellow: oesophagus (oe); in white: small mineralized plates: in red: vestigial lung (vl) composed of its short anterior part and of its long residual cord (rc). (from Cupello et al., 2015: fig. 3c). Scale bars: A, C, D: 10 cm; B = 5 cm; E = 1 cm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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