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Fig. 10 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 10. Cast of a symphyseal tooth whorl (NHMUK P.9673) of the eugeneodontiform shark "Campodus variabilis" sensu Eastman (1902–1903) from the Coal Measures (Pennsylvanian) of Cedar Creek, Nebraska, USA. A. Lateral view. B. Oral view.

Fig. 9 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 9. Fragment of the mandibular dentition of "Agassizodus variabilis" from the Coal Measures (Pennsylvanian) of Osage County, Kansas, USA; from St. John and Worthen (1875: pl. 8: 1).

Fig. 7 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 7. Teeth of Campodus agassizianus De Koninck, 1844, from the Chokierian of Belgium, near Liège. A–C. Specimens whereabouts unknown, from Lohest (1884). D. Holotype (left part NHMUK P.28754, see Fig. 8 herein; right part whereabouts uncertain), from De Koninck (1844). Not to scale.

Fig. 2 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 2. Schematic taphonomic model for the shark-ostracod association illustrating the key stages in its development; after Wilby et al. (2006).

Fig. 8 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 8. Left part of the holotype, NHMUK P.28754 (right part, see Fig. 7D, whereabouts uncertain, probably in France) of the eugeneodontiform shark Campodus agassizianus De Koninck, 1844, from the Chokierian of Belgium, near Liège. A. General view. B. Close-up of a group of teeth.

Fig. 6 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 6. Teeth of the eugeneodontiform shark Campodus agassizianus De Koninck, 1844, in the fragments of nodule from the Kinderscoutian of Derbyshire, UK. A. A half of horizontal section of a large tooth (GSM 105471a). B. Lingual view of a half of a medium-sized tooth with well preserved surface (GSM 105471b). C. Close-up of long teeth (GSM 105524). D. Two cusps (mamelons) of a large tooth with abraded surface and uncovered tubular dentine canals; at the bottom part (arrows): aboral views of bases of two teeth (GSM 105471c). E. A half of a section of a large tooth (specimen not located in the collection during the second investigation). F. The upper part of a crown with a relatively high median cusp (GSM 105471d). Scale bars 5 mm apart from E where it is unknown.

Fig. 1. A in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 1. A. Sketch map of Carboniferous outcrops (black) in Britain with the position of study area in Derbyshire (asterisk); after Dineley and Metcalf (1999). B. The position of the studied outcrop, currently submerged by the Carsington Water Reservoir.

Fig. 4 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 4. Morphological terminology of the teeth of Campodus agassizianus De Koninck, 1844. The drawing based on Lohest's (1884) Belgian material re-illustrated in Ginter et al. (2010).

Fig. 5 in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 5. The largest and best preserved tooth (GSM 105459) of the eugeneodontiform shark Campodus agassizianus De Koninck, 1844 from the Kinderscoutian of Derbyshire, UK. Note the tubular dentine in the broken median cusp (black arrow) and a probable bar-like tooth at the bottom of the photograph (white arrow).

Fig. 3. A in The dentition of a eugeneodontiform shark from the Lower Pennsylvanian of Derbyshire, UK

Fig. 3. A part of the dark limestone nodule (GSM 105524) from the Kinderscoutian of Derbyshire, UK, showing the diversity of fossils.

Fig. 2 in Molecular and epidemiological surveillance of Plasmodium spp. during a mortality event affecting Humboldt penguins (Spheniscus humboldti) at a zoo in the UK

Fig. 2. Histopathology associated with mortality of a Humboldt penguin (Spheniscus humboldti) infected with Plasmodium sp. Penguin paraffinembedded heart tissue section (5 μm) stained with haematoxylin and eosin a. Four sites of chromogenic in situ hybridization with a Plasmodium-specific probe occurred in what appeared to be cardiac macrophages. Magnification: x10. b. Same Penguin heart tissue sections inspected under light microscopy. Magnification: x100. Exoerythrocytic meronts are seen breaking out of a cardiac macrophage (ellipse).

Fig. 3 in Molecular and epidemiological surveillance of Plasmodium spp. during a mortality event affecting Humboldt penguins (Spheniscus humboldti) at a zoo in the UK

Fig. 3. Temporal distribution of mosquito and Plasmodium spp. prevalence at Chester Zoo between May and November 2017. Continuous top line: total number of mosquitoes collected on a weekly basis; Continuous bottom line: total number of Plasmodium infections; Dashed line: parasite prevalence estimated as a proportion of infected mosquitoes of the total captured on a weekly basis.

Fig. 1 in Molecular and epidemiological surveillance of Plasmodium spp. during a mortality event affecting Humboldt penguins (Spheniscus humboldti) at a zoo in the UK

Fig. 1. Mosquito abundance and Plasmodium prevalence compared at ten sampling sites across Chester Zoo. The Chester Zoo site (zoo perimeter is outlined) overlaid with a heat map of total mosquito numbers trapped at 10 sampling sites. Locations of traps are indicated by numbers 1–7, 10–12 inclusive. The location of the penguin exhibit in 2017 is indicated by a penguin symbol. a. Mosquito abundance. b. Plasmodium prevalence in trapped mosquitoes. Heat maps were generated using Heatmapper with a Gaussian radius multiplier of 1.

Fig. 4 in Molecular and epidemiological surveillance of Plasmodium spp. during a mortality event affecting Humboldt penguins (Spheniscus humboldti) at a zoo in the UK

Fig. 4. Maximum likelihood phylogeny of Plasmodium spp. cytb sequences. The phylogeny was estimated from a 378bp multiple sequence alignment using a GTR+Γ+І model (α = 0.488; proportion of invariant sites = 0.248). The tree is rooted with an outgroup of Leucocytozoon sequences (boxed). Node accuracy is indicated by an SH-like log-Likelihood ratio metric; bootstrap values greater than 0.5 are displayed in the tree. Novel sequences obtained in this study are shaded with their corresponding reference sequence; P. matutinum (MK443241), P. vaughani (MK652243) and P. relictum (JN164731). The clusters contain sequences derived from penguins, mosquitoes or wild birds, which is indicated by a penguin, mosquito or a bird symbol. One wild bird sequence is present in the P. matutinum cluster (OM912814); and three (MW814062, MW814149, MW814045), two (MW814453, MW814028) and two (MW814503, MW814500) mosquito sequences are present in the P. matutinum, P vaughani and P. relictum clusters respectively. The rest of the sequences in those clusters correspond to 23 novel sequences from penguins infected in the UK, indicating their origin (CZ: Chester Zoo, LZ: London Zoo, PZ: Paignton Zoo, BZ: Blackpool Zoo, CWP: Cotswold Wildlife Park) and year of sampling, if not 2017. Other shade sequences correspond to recognized morphospecies. P. vaughani cluster represents 145 novel sequences, P. matutinum cluster represents 345 novel sequences and P. relictum clusters represents 31 novel sequences. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

opencc-by-4.0Apr 2022View details →

Fig. 3 in Eco-epidemiological screening of multi-host wild rodent communities in the UK reveals pathogen strains of zoonotic interest

Fig. 3. Bayesian phylogenetic tree of 18S ribosomal RNA sequences of Babesia microti isolates, indicating the position of the Munich strain-like isolate obtained from the tick Ixodes trianguliceps from a bank vole in Ceredigion, Wales. Sequences of the cogeneric species B. vulpes and B. rodhaini are used as outgroups.

opencc-by-4.0Apr 2022View details →

Fig. 2 in Eco-epidemiological screening of multi-host wild rodent communities in the UK reveals pathogen strains of zoonotic interest

Fig. 2. Flea diversity. Percentage of flea genera collected during the two sampling seasons. *p <0.05.

opencc-by-4.0Apr 2022View details →

Fig. 1 in Eco-epidemiological screening of multi-host wild rodent communities in the UK reveals pathogen strains of zoonotic interest

Fig. 1. Percentage of tick life stages across seasons collected from all rodent species. a) Total percentage of ticks found in the two study seasons. Light grey: larvae; dark grey: nymphs; black: adults. b) Percentage of tick life stages in each sampling season.

opencc-by-4.0Aug 2024View details →

Satellite-derived trapped lee wave activity over the UK and Ireland in 2023

<p>A list of trapped lee wave activity over the UK and Ireland in 2023 as judged by eye from SEVIRI HRV satellite imagery.</p>

opencc-by-4.0Apr 2015View details →

FIGURE 6 in Reassessment of 'Plesiosaurus' megacephalus (Sauropterygia: Plesiosauria) from the Triassic-Jurassic boundary, UK

FIGURE 6. Transverse cross-sections of the plaster cast (BGS GSM 118410) of the holotype (BRSMG Cb 2335) skull of Atychodracon megacephalus (Stutchbury, 1846), showing surface morphology. 1, ventral view of skull showing position of cross-sections, 2–7, cross-sections, dorsal surface towards top. Abbreviations: aiv – anterior interpterygoid vacuity; chan – channels anterior to external nares; fl – ventrolaterally directed flanges of pterygoid; hy – hyoid; en – external nares; k – ventral keel on parasphenoid; piv – posterior interpterygoid vacuity; vlc – ventral longitudinal crest; vlf – ventrolateral flange. Scale bar equals 100 mm (in 1) and 50 mm (in 2–7), note that cross-sections are to scale relative to each other.