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Figure 4 in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 4. 'West Fork Satsop River tubes', Oligocene, Washington State, USA. A, B, WFSR-3B and WFSR JLG 459C, respectively, tubes in hand specimen showing wavy nature and smooth tube walls. C, D, WFSR 3A-1; C, transverse section of tube showing multilayered brown walls of varying thickness; D, detail of tube wall where a potential preserved fibrous tear occurs, revealing frayed fibre endings (white arrow). Scale bars: A = 10 mm; B = 5 mm; C = 300 µm; D = 100 µm.
Figure 5 in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 5. 'Murdock Creek tubes', WA-MC LACMIP loc. 6295, Early Oligocene, Washington State, USA. A, a single tube in hand specimen possibly bearing longitudinal wrinkles. B, detail of tube wall in transverse section with thick, multi-layered and delaminated tube wall. C, transverse section of tube which appears to have originally been flexible. D, detail of tube wall where a preserved tear occurs, revealing fibre endings (grey arrow). Scale bars: A = 5 mm; B = 150 µm; C = 100 µm; D = 50 µm.
Figure 3 in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 3. Serpulidae sp., 'Bexhaven', BXG, Middle Miocene, New Zealand. A, tubes in hand specimen. B, detail of tubes in hand specimen showing fine parallel transverse wrinkles on tube surfaces. C, tubes in section. D, cluster of five attached tubes in transverse section. E, detail of partial transverse section of tube wall showing its chevron-like appearance. Scale bars: A = 20 mm; B = 3 mm; C = 2 mm; D, E = 500 µm.
Figure 2 in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 2. 'Upper Waiau River tubes', UWT3-4,?late Early Miocene–Middle Miocene, New Zealand. A, tubes in hand specimen. B, tube with grainy wall in hand specimen. C, detail of tube wall in B. D, detail of tube wall in near transverse section showing brown bands that make up the multi-layered tube wall, where a tear in the wall is also preserved (grey arrow); a small sphere is preserved towards the outside of the tube (white arrow). E, detail of tube wall in transverse section showing a thick calcareous band occurring on the outside of the brown tube wall layers. Scale bars: A = 20 mm; B = 2 mm; C = 1 mm; D, E = 200 µm.
Figure 1 in Identification of fossil worm tubes from Phanerozoic hydrothermal vents and cold seeps
Figure 1. 'Rocky Knob tubes', Middle Miocene, New Zealand. A, RK-5, larger tube fragments in hand specimen. B, RNT-1, smaller, parallel-aligned tubes, with one tube exhibiting fine longitudinal wrinkles on its surface (white arrow). C, 12-RK, detail of smooth tube wall. D, RNT-1, tube exhibiting round concretions on its surface. E, RK-15B-6B, tube in transverse section showing preserved torn fibres. F, RK-15B-6B, tube with irregular cross section suggesting it may originally have been flexible. G, RK-15B-6A, detail of join between three tubes with thick, multi-layered walls in transverse section; imaged using confocal laser scanning microscopy (see online for colour version). H, detail of tube transverse section showing delamination of its thick, multi-layered tube wall. Scale bars: A = 20 mm; B = 5 mm; C = 2 mm; D, F = 1 mm; E = 100 µm; G, H = 200 µm.
Figure 2 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 2. Hypothetical visualization of morphology in a single dimension. Trait morphology is normally distributed, whereby the mean morphology (solid vertical arrow) should form the type specimen. Morphospecies with high intraspecific variation may be represented by the dot-dashed distribution curve. Conversely, morphospecies with moderate and low intraspecific variation are represented by the dashed and dotted distribution curves, respectively. Finer taxonomic splitting results in more morphospecies with a narrow (dotted line) distribution curve. SD: standard deviation.
Figure 20 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 20. Example of circularity and curvature values for Globigerinoidesella fistulosa specimens. More lobate values are those in blue, those less lobate are red. Specimens 1 and 2 are more elongate and possess the lowest circularity values, but have a low perimeter length compared to test area and thus also generate low curvature values. Conversely, specimens 3 and 4 have high curvature values due to the protuberances increasing the perimeter length, but also relatively high circularity values because of the large area compared to test diameter (see Material and methods). Scale bar = 200 Lm.
Figure 8 in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 8. Cloacal region of Proscinetes bernardi (Thiollierè, 1852) JME 250 with the arrow pointing to the bifurcating cloacal scale present on this specimen. Scale bar = 1 cm.
Figure 6 in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 6. Majority rule consensus tree depicting the systematic position of Scalacurvichthys naishi gen. et sp. nov. holotype (SMNK-PAL. 8613) with all unordered characters based on modified database of Poyato-Ariza & Wenz (2002). Nodes are as follows: A, Pycnodontiformes; B, Brembodontidae; C, Pycnodontoidei; D, Pycnodontidae; E, Proscinitinae; F, Pycnodontinae.
Figure 15 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 15. Protuberance development from immaturus and quadrilobatus morphotypes resulting in fistulosa morphotypes (light microscope images). A, Trilobatus quadrilobatus (d'Orbigny, 1846); B, C, Trilobatus immaturus (LeRoy, 1939); D–F, Globigerinoidesella fistulosa (Schubert, 1910). A, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (umbilical view). B, C, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (umbilical view). D–F, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (umbilical view). Scale bar = 100 Lm.
Figure 16 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 16. Size and ontogeny contrasts in the Trilobatus sacculifer plexus. A–D, Trilobatus sacculifer (Brady, 1877); E, Trilobatus trilobus (Reuss, 1850); F, Globigerinoidesella fistulosa (Schubert, 1910). A–D, GLOW-3, south-west Indian Ocean (A, D, spiral view; B, C, umbilical view, B is similar to subsacculifer morphospecies, see text). E, GLOW-3, south-west Indian Ocean (spiral view; earlier whorls obscured). F, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (spiral view). Scale bars = 100 Lm.
Figure 4. A in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 4. A, imprint of caudal fin of Scalacurvichthys naishi gen. et sp. nov. holotype (SMNK-PAL. 8613). B, cast of caudal fin, mirrored; anterior to the right. C, camera lucida drawing based on cast of caudal fin; dashed lines indicate the restoration of incompletely preserved structures. Abbreviations: ep 1–4, epichordals 1–4; h 1–10, hypochordals 1–10; ph, parhypural. Scale bars = 1 cm.
Figure 5. A in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 5. A, cloaca of Scalacurvichthys naishi gen. et sp. nov. holotype (SMNK-PAL. 8613); dashed white lines indicate the restoration of incompletely preserved structures; tip of right branch of posterior modified cloacal scale overlain by disarticulated flank scales therefore not shown. B, camera lucida drawing; probable shape of posterior modified cloacal scale is reconstructed using dashed lines. Abbreviations: amcs, anterior modified cloacal scale; cs, cloacal scale; pcb, postcoelomic bone; pmcs, posterior modified cloacal scale; vrs, ventral ridge scale. Scale bars = 1 cm.
Figure 3 in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 3. Skull of Scalacurvichthys naishi gen. et sp. nov., holotype (SMNK-PAL. 8613) under UV light in order to show the preserved remains of the posterior exposed endocranium to which the arrow points. Scale bar = 1cm.
Figure 2. A in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 2. A, skull of Scalacurvichthys naishi gen. et sp. nov., holotype (SMNK-PAL. 8613) with forward-facing first dorsal ridge scale. B, camera lucida drawing showing restored position of scale tip in life. C, camera lucida drawing of first dorsal ridge scale as it is seen in the holotype showing original position of the tip of the spine. D, restoration of first two dorsal ridge scales revealing probable morphology; dashed lines indicate the restoration of incompletely preserved structures. Abbreviations: 1st drs, 1st dorsal ridge scale; ang, angular bone; art, articular bone; cp, coronoid process; den, dentalosplenial; dhyo, dermohyomandibular; dps, dermopterosphenotic; dso, dermosupraoccipital; endo, posteriorly exposed endocranium; mes, mesethmoid; met, metapterygoid; or, orbit; pa, parietal; pap, post-parietal process; pm, premaxilla; pp, post-parietal bone; pra, prearticular bone; pre, preoperculum; ps, parasphenoid process; sc, sclerotic ring; vo, vomer. Scale bars: A–C = 1 cm; D = 50 mm.
Figure 1. A in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 1. A, Scalacurvichthys naishi gen. et sp. nov., holotype (SMNK-PAL. 8613). B, camera lucida drawing of Scalacurvichthys naishi gen. et sp. nov.; dashed lines indicate the restoration of incompletely preserved structures; bones shaded in grey are reconstructions while the rest of the drawing is the original specimen. Scale bars = 1 cm.
Figure 1 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 1. Phylogenetic interpretations of the evolution of the Trilobatus sacculifer plexus. A, phylogeny of Banner & Blow (1960); B, phylogeny of Keller (1981) based on a stratophenetic investigation (average 12,000-year resolution sampling) of Deep Sea Drilling Project (DSDP) Site 292 (north-western Pacific Ocean); C, phylogeny of Srinivasan & Kennett (1981) and Kennett & Srinivasan (1983). Note that the original nomenclatural combinations (binomial and trinomial) used in the authors' separate phylogenies are retained for this figure.
Figure 7 in A new pycnodont fish, Scalacurvichthys naishi gen. et sp. nov., from the Late Cretaceous of Israel
Figure 7. Cloacal region of Stemmatodus rhombus (Heckel, 1854) MNHN JRE 41 with the arrows pointing to the bifurcated scales anterior and posterior to the cloaca. Dashed line indicates boundary between ventral ridge scale and bifurcated posterior modified cloacal scale. Scale bar = 50 mm.
Figure 9 in A new icriodontid conodont cluster with specific mesowear supports an alternative apparatus motion model for Icriodontidae
Figure 9. Model of masticatory motion of icriodontid I elements. A, oblique lateral view; B, 'anterior' view.
Figure 8 in A new icriodontid conodont cluster with specific mesowear supports an alternative apparatus motion model for Icriodontidae
Figure 8. Motion of P1 elements of ozarkodinid apparatuses summarized from the literature. A, Idiognathodus (Pennsylvanian); B, Novispathodus (Early Triassic); C, Wurmiella excavata (Silurian); D, Pseudofurnishius murcianus (Middle–Late Triassic); E, Polygnathus xylus xylus (Middle Devonian). Grey dots mark the pivot point; black arrows indicate the direction of occlusion and interlocking of P1 elements, grey arrows its reversal.
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