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Fig. 15 in Triassic coleoid beaks and other structures from the Calcareous Alps revisited
Fig. 15. Coleoid cephalopod Phragmoteuthis bisinuata (Bronn, 1859) (GBW 2006/011/0001); lower Carnian, Upper Triassic, Cave del Predil, NE Italy. Arm hooks with basal parts longer than shafts saving in-life paired arrangement along the arms.
Fig. 15 in Brachiopod fauna from uppermost Visean (Mississippian) mud mounds in Derbyshire, UK
Fig. 15. SEM images of brachiopod specimens from the Brigantian (uppermost Visean) of Ricklow Quarry, near Monyash, Derbyshire, UK (localities RCC-, RCK-; Fig. 3). A. Pugnacid Pleuropugnoides pleurodon (Phillips, 1836), MPUM12013 (RCK15-4) in ventral view. B. Ambocoelid Crurithyris urei (Fleming, 1828), MPUM12030 (RCC42-25b) in ventral view. C. Gillediidid?Balanoconcha sp., MPUM12094 (RCC10-15a) in dorsal view. D, E. Cranaenidid Harttella oakleyi Brunton, 1982. D. MPUM12088 (RCC65G-13), serial section 1.0 mm from the umbo. E. MPUM12088 (RCC48-31), serial section 1.6 mm from the umbo. Detail showing absence of dental plates (D1, E1), focus showing Y-shaped septalium (D2, E2).
Fig. 15 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages
Fig. 15. Representative hard substrates colonized by the Middle and Upper Jurassic tube-dwelling polychaetes from the Polish Basin. A. Upper Bathonian hiatus concretion from Ogrodzieniec; sabellid Glomerula gordialis (Schlotheim, 1820) (GIUS 8-3751), indicated by arrows. B. Bajocian–Bathonian oncoid from Ogrodzieniec-Świertowiec; the entire oncoid is intensively encrusted by serpulids and sabellids (GIUS 8-3750). C. Callovian bivalve Ctenostreon proboscideum (Sowerby, 1820) from hardground of Zalas; black arrow indicates sabellid Glomerula gordialis, white arrow indicates juvenile serpulid Propomatoceros lumbricalis (GIUS 8-3589). D. Lower Kimmeridgian oyster from oyster shell beds of Małogoszcz; an arrow indicates sabellid Glomerula gordialis (Schlotheim, 1820) (GIUS 8-3747). E. Middle Bathonian oyster from soft muddy substrates of Gnaszyn Dolny; serpulid Propomatoceros lumbricalis (Schlotheim, 1820) is exemplified by arrows (black and white). White arrows point the specimens infested by the hydroid Protulophila gestroi (Rovereto, 1901) (GIUS 8-3730). F. Oxfordian sponge from Zalas; an arrow indicates serpulid Filogranula spongiophila sp. nov. (GIUS 8-3746). Scale bars 10 mm.
Fig. 15 in Mollusks from Miocene hydrocarbon-seep deposits in the Ilocos-Central Luzon Basin, Luzon Island, Philippines
Fig. 15. The vesicomyid bivalve Wareniconcha sp. from Upper Miocene seep deposits of the Amlang Formation in Pangasinan province, Luzon, Philippines. A. NRM Mo 192537, large, slightly disarticulated specimen, view on RV (A1), view on LV and RV hinge plate (A2), and close-up on RV hinge with cardinal teeth numbers indicated (A3). B. NRM Mo 192538, articulated, medium-sized specimen, view on LV (B1) and on dorsal side showing inflation and lack of lunular incision (B2).
Fig. 15 in Palaeoecology of tropical marine invertebrate assemblages from the Late Triassic of Misurina, Dolomites, Italy
Fig. 15. Caenogastropods Angulatella bizzarinii Nützel and Hausmann sp. nov. from Lago Antorno (A, B) and Misurina Landslide (C), northern Italy, Cassian Formation, Carnian, Upper Triassic. A. Paratype PZO 12826, specimen with preserved protoconch having bicarinate shell, in apertural view (A1); protoconch (A2–A5): A2, early whorls in lateral view inclucing bicarinate larval shell with axis oblique to teleoconch shell axis; A3, early whorls in oblique lateral view showing larval shell terminating at sinusigera; A4, close up of larval whorls with carinae ornamented with minute tubercles, in lateral view; A5, close up to show tuberculate micro-ornament on teleoconch whorl, upper portion shows sinusigera where larval shell end B. Paratype PZO 12827, relatively large specimen lacking protoconch, in lateral view. C. Holotype, PZO 12701, specimen with preserved protoconch having bicarinate shell, in apertural (C1) and apical (C3) views; C2, early whorls including bicarinate larval shell, in lateral view.
Fig. 15 in New insights into the origin and relationships of blastoid echinoderms
Fig. 15. Brachiole and main ambulacral plating in hemicosmitoid Caryocrinites ornatus Say, 1825, Wenlock (Silurian), New York, USA. The ambulacra are erect. Each brachiole arises from a pair of main ambulacral plates, the adoral of which are shaded. The aboral plates are more than twice as wide. The first brachiolar plate (1a) is adoral to the second (2) and supports the idea that main ambulacral plates are first brachiolar plates modified to form the ambulacral axis. Redrawn from Sprinkle 1975: 1067, fig. 2.
Fig. 15. Age structure d in Research history, taphonomy, and age structure of a mass accumulation of the ornithopod dinosaur Dysalotosaurus lettowvorbecki from the Upper Jurassic of Tanzania
Fig. 15. Age structure d(x) of Dysalotosaurus lettowvorbecki. A. Linear regression between histological age and distal femur width of D. lettowvorbecki (based on Hübner 2012) for estimating the age of the remaining specimens. B. Age distribution d(x) of D. lettowvorbecki from the Ig/WJ-locality showing the "total" (N = 138) and "average" (N = 131) method for estimating the number of deaths per age. C. Age distribution d(x) of D. lettowvorbecki of bonebed 3 (N = 45) and bonebed 4 (N = 52) on basis of the "total" method. D. Similar distribution based on the "average" method (bonebed 3: N = 41; bonebed 4: N = 48. E. Comparison of the age distributions d(x) (in percentage) of D. lettowvorbecki (yellow bars), the Late Cretaceous tyrannosaurid Albertosaurus sarcophagus (red solid line, based on Erickson et al. 2010), and the Early Cretaceous basal ceratopsid Psittacosaurus lujiatunensis (blue solid line, Erickson et al. 2009b). F. Comparison of the age distributions d(x) (in percentage) of D. lettowvorbecki (yellow bars) and large mammals: hypothetical attritional population (red solid line; modified after Klein 1982b), and the Miocene rhinocerotid Teleoceras proterum (red dashed line; based on Mihlbachler 2003); hypothetical catastrophic population (blue solid line; modified after Klein 1982b) and the Eocene hippomorph Mesatirhinus sp. (blue dashed line; based on Turnbull and Martill 1988).
Fig. 15 in Mississippian colonial tabulate and rugose corals from the Flett Formation, Liard Basin, northwest Canada
Fig. 15. Rugose corals Cordilleria sp. A. IG-82 = UAM-Tc.Can./8, locality 3 (Fig. 2), from Meilleur Member, Flett Formation (Mississipian), Rundle Group, Liard Basin, Northwest Territories, Northwest Territories, Canada; transverse thin section (A1); longitudinal thin sections (A2, A3), weakly accentuated down sloping of peripheral part of tabulae (arrow). B. C-47942 = GSC-142475, locality 14 (Fig. 2), from Flett Formation undivided, Rundle Group, Liard Basin, Northwest Territories, British Columbia, Canada; transverse section (B1, B2), longitudinal section, peel (B3). C. IG-18 = UAM-Tc.Can./10, locality 3 (Fig. 2), from Tlogotsho Member, Flett Formation (Mississipian), Rundle Group, Liard Basin, Northwest Territories, British Columbia, Canada; longitudinal thin sections (C1, C2), transverse thin section (C3). D. IG-83 = UAM-Tc.Can./9, locality 3 (Fig. 2), from Meilleur Member, Flett Formation Mississipian), Rundle Group, Liard Basin, Northwest Territories, Canada; transverse thin section.
Fig. 15 in Evidence of external gametophores in puzzling Late Triassic-Early Jurassic dasycladalean green algae
Fig. 15. Interpretation of voids and pores in fertile specimens of dasycladalean alga Chinianella ellenbergeri (Lebouché and Lemoine in Granier and Deloffre, 1994) Granier, Masse, and Berthou, 1994, emend. nov.; colours as in Fig. 5. A. Axial view (general axial section). B. Tangential oblique section, based on specimen in Fig. 7D, LM-DiSTAR/BA.577.19, n. 095. C. Oblique section showing structures interpreted as reproductive organs, not all whorls display gametophores (see arrow); based on the specimen in Fig. 14, LM-DiSTAR/BA.577.b, n. 045. D. Tangential oblique section, based on specimen in Fig. 7E, LM-DiSTAR/BA.577.14, n. 040.
Fig. 15 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 15. Length versus height plots for Minyocythere maculosa (Bate, 1963) from UK (A) and Germany (B).
Fig. 15. The track Amphisauropus Haubold, 1970, NMMNH P-37922 in Evolution and identity of synapsid carpal bones
Fig. 15. The track Amphisauropus Haubold, 1970, NMMNH P-37922, central New Mexico, USA, Abo Formation, Cisuralian, left manus and pes imprint, convex hyporelief, presumably from a seymouriamorph trackmaker. Photo made by Sebastian Voigt, published with the permission of Sebastian Voigt, all rights reserved (see also Voigt and Lucas 2017: fig. 3F).
Fig. 15 in Mollusks from Pliocene and Pleistocene seep deposits in Leyte, Philippines
Fig. 15. The lucinid bivalve Lucinoma velosoi sp. nov. from the Pleistocene Antipolo Point seep deposits, Leyte, Philippines, holotype NMP-2166, outer surfaces of right (A1) and left (A2) valves; dorsal side (A3); inner surfaces of left (A4) and right (A5) valves; UV light image of right valve highlighting muscle scars, blood vessel scar, and pallial line (A6); close-up on hinges of left (A7) and right (A8) valves.
Fig. 15 in Late Cretaceous mega-, meso-, and microfloras from Lower Silesia
Fig. 15. Semi-schematic reconstructions of the presumed main forest-forming angiosperms in the Coniacian–Santonian of Lower Silesia, Poland. A. Dewalquea aff. gelindenensis de Saporta and Marion, 1873 (compare Fig. 12A, B). B. Platanites sp. 1 (compare Fig. 16C; lateral leaflets hypothetical, supposed similar to those of Platanites marginatus, see Johnson 1996: fig. 86). C. Dryophyllum westerhausianum (Richter, 1904) Halamski and Kvaček comb. nov. (compare Fig. 8C, E). D. Platanites willigeri Halamski and Kvaček, sp. nov. (compare Fig. 14A, C). E. Dewalquea insignis Hosius and von der Marck, 1880 (compare Fig. 10F). F, G. Ettingshausenia sp. 1 (compare Fig. 13G, D). Not to scale. Drawings by Bogusław Waksmundzki.
Figure 15 in Recognising variability in the shells of argonauts (Cephalopoda: Argonautidae): the key to resolving the taxonomy of the family
Figure 15. Argonauta nouryi shell displaying three changes in shell formation type: a–b, two perspectives of shell #41 (64.7 mm shell length, SBMNH 345766) displaying three changes in shell formation type from Type 1 (T1) to Type 2 (T2) shell formation, back to Type 1 and then to Type 2; a, left lateral view; b, oblique left lateral view. Note that the key to recognising the different shell formation types (challenging in this shell) is to look for reductions in the size of sequential keel tubercles (that would normally increase in size), a change in the relative distance between keel tubercles, a change in the ratio of lateral ribs to keel tubercles, and the appearance or disappearance of inter-keel tuberculation. Scale bar = 1 cm.
Figure 15 in A revised faunal list and geological setting for Bullock Creek, a Camfieldian site from the Northern Territory of Australia
Figure 15. Stereopair of occlusal view of NTMAG P9464-4, right M2/3 referred to?Thylacindae. Scale bar = 2 mm.
Figure 15 in Description of new cranial material of Propalorchestes (Marsupialia: Palorchestidae) from the Middle Miocene Camfield Beds, Northern Territory, Australia
Figure 15. Bivariate plots of dental measures for Propalorchestes, small Palorchestes and other comparative taxa: a. width against length for M1; b, width against length for M; c, width against length 1 for M2, to provide comparison with QMV2000GFV406; black symbols represent the anterior loph width and grey symbols represent the posterior loph width; lines connecting black to grey symbols represent the disparity between anterior and posterior measures of the same molar; data and sources provided in Table 1.
Figure 15 in Sea cucumbers of the Kerguelen Plateau, with descriptions of new genus and species (Echinodermata: Holothuroidea)
Figure 15. Microscope photos of ossicles and phosphatic bodies from specimens of Molpadia magdae O'Loughlin (in O'Loughlin et al. 2013) and Molpadia violacea Studer, 1876. a–d, Molpadia magdae. a, mid-body irregular table discs, ossicles beginning to phosphatize with small phosphatic bodies present (from NMV F197215); b, caudal fusiform rods, some only with spires (from NMV F197215); c, mid-body irregular table discs and fusiform rod, ossicles beginning to phosphatize (from NMV F68677); d, caudal fusiform rods, one with and one lacking spire (from NMV F68677); e–f, Molpadia violacea. e, mid-body phosphatizing table disc (disc 64 µm across; from NMV F165737); f, mid-body phosphatic bodies (from NMV F169293).
Figures 15-21 in Oogenesis in Phragmatopoma (Polychaeta: Sabellariidae): Evidence for morphological distinction among geographically remote populations
Figures 15-21. Ultrastructure in Phragmatopoma caudata of the SW Atlantic. Grow Phase. Figures 15 and 16 Previtellogenic oocyte with a large nucleus (N) and nucleolus (Nu), as well as small rough heterochromatin clumps (small arrow). The cytoplasm is filled with rough, lamellar endoplasmic reticulum (RER) and noticeable mitochondria (M) in the perinuclear cytoplasm. The elongated portions of these cells create adhesion with adjacent oocyte (large arrow) (Figure 15, 2,050X. Figure 16, 4,200X). Oc = oocyte. Figure 17 Cytoplasm showing glycogen α (Gly) greater than the ribosomes (white arrows) attached to the reticulum (black arrow) (13,500X). M = mitochondria. Figures 18 and 19 Cortical cytoplasm of the rounded surface, showing Golgi complexes (GC) close to the cortical granules (CG), positioned beneath the microvilli (Mv) with the expansion bearing extensive filamentous adornment above the vitelline envelope (Eg) (Figure 18, 10,500x. Figure 19, 5,400X). Figures 20 and 21 Plasma membrane on a rounded surface showing endocytic depressions (black arrow) and coated vesicles (Cv). The vitelline envelope is composed by means of medium-apical extracellular matrix (2) in relation to microvilli (Mv). The basal region is electron-lucent and forming the beginnings of the perivitelline space (1) (Figure 20. 13,500X. Figure 21, 28,000X). GC = Golgi complexes, Eg = vitelline envelope.
Figure 15 in The phyllophorid sea cucumbers of southern Australia (Echinodermata: Holothuroidea: Dendrochirotida: Phyllophoridae)
Figure 15. SEM images of ossicles from holotype of Massinium vimsi O'Loughlin sp. nov. (NMV F76629). Tube foot endplate (left); tentacle rods (right); (insert: drawings of table disc, developing disc, and table spire from peri-oral body wall table ossicles).
Figure 15 in A review of Australian fossil penguins (Aves: Sphenisciformes)
Figure 15. Specimens referred to Pseudaptenodytes macraei: partial right carpometacarpus, NMV P27055, in (A) dorsal and (B) ventral views; partial left carpometacarpus, NMV P27056, in (C) ventral and (D) dorsal views.
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