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FIGURE 26 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 26. Morphotype SA046 Laurophyllum chubutensis Berry (Lauraceae; continued, see also Figure 25I) and morphotype SA047 (see also Figure 27A). A-F, morphotype SA046 (Lauraceae). A, MPEF-Pb-2039 (exemplar, see also Figure 25I), note patches of skeletonization (arrow, DT16; see also Donovan et a., 2018 figure 6.1); B, venation detail of specimen in Figure 26A (exemplar; arrow, fimbrial vein); C, MPEF-Pb-9114 (arrow, intersecondary vein); D, MPEF-Pb-4115; E, MPEF-Pb-3025 (accessory exemplar); F, Laurophyllum chubutensis Berry, 1937a syntype, USNM-208530 (illustrated in Berry, 1937a, plate IX, figure 3-4; see also Tables 1, 2). G-L, morphotype SA047. G, MPEF-Pb-2040 (exemplar, see also Figure 27A); H, MPEF-Pb-9116, with hole feeding damage (DT03, arrow; see also Donovan et al., 2016); I, MPEF-Pb-4124 (arrow, second order teeth); J, detail of compound teeth, MPEF-Pb-9117 (arrow indicating glandular tooth apex); K, tooth and venation detail of specimen in Figure 26G (exemplar), note the fimbrial vein (arrow); L, MPEF-Pb-4121. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 12 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 12. Morphotype SA010 (Lauraceae, see also Figure 13). A, Laurophyllum piatnitzkyi Berry, 1937a syntype specimen USNM-201966 (illustrated in Berry, 1937a, plate IX, figure 2; see also Tables 1, 2); B, Cryptocaryoides maria-santisimensis Berry, 1937a syntype specimen USNM-208521 (illustrated in Berry, 1937a, plate VI, figure 3; see also Tables 1,2) (arrow, agrophic veins); C, MPEF-PB-9033; D, MPEF-PB-9034; E, MPEF-Pb-4048; F, MPEF-Pb-9035 (black arrow, agrophic veins), with skeletonization (DT79, white arrow; see also Donovan et al., 2018, figure 9.23); G, MPEF-Pb-3036; H-I, MPEF-Pb-2055 (accessory exemplar), note idioblasts (dark dots, arrow) preservation; J, detail of areoles and FEVs associated with idioblasts (arrow) from Figure 12F; K, counterpart of specimen in Figure 12E (arrow, agrophic veins); L, MPEF-Pb-9039; M, MPEF-Pb-2026 (exemplar; arrow, basal portion of fimbrial vein); N, MPEF-Pb-4049 (arrow, drip tip). Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 24 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 24. Morphotype SA043 (Cunoniaceae?/Sapindaceae? see also Figure 25E-F) and morphotype SA045 (Fabaceae; see also Figure 25J). A-G, morphotype SA043 (Cunoniaceae?/Sapindaceae?). A, MPEF-Pb-2036 (exemplar); B, MPEF-Pb-3023 (accessory exemplar 1; arrow, asymmetric base); C, articulated compound leaf, MPEF-Pb-9110 (accessory exemplar 2; arrow, petiolule subtending terminal leaflet); D, MPEF-Pb-4102; E, MPEF-Pb-6561, with hole-feeding damage (DT113; see also Labandeira et al., 2007 p.7, figure DT113; and Donovan et al., 2016, figure 1i); F, tooth venation detail from Figure 24E; G, MPEF-Pb-9159 with three attached leaflets. H-L, morphotype SA045 (Fabaceae). H, MPEF-Pb-4110; I-L, MPEF-Pb-2038 (exemplar, see also Brea et al., 2008 figure 6, and Figure 25J); I, counterpart preserving apical portion; J, detail of retuse apex; (arrow); K, base detail with a pulvinulate, horizontally striated petiolule (arrow); L, complete exemplar. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 19 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 19. Morphotypes SA016 (continued, see also Figure 16A-E), SA035 (Bixaceae? see also Figure 20), SA020 (continued, see also Figure 18; Cunoniaceae), and SA041 (Rhamnaceae, see also Figure 23A-I). A-E, camera lucida drawings (CLD) of morphotype SA020 (Cunoniaceae). A, MPEF-Pb-9087 (arrow, bifurcation of a secondary vein); B, MPEF-Pb-9088 (arrow, intersecondary vein); C, MPEF-Pb-9089; D, MPEF-Pb-9090 (arrow, bifurcation of a secondary vein); E, MPEF-Pb-3020 (accessory exemplar, see also Figure 18K; arrow, intersecondary vein). F-I, CLD of morphotype SA016. F, MPEF-Pb-9091 (arrow, basal secondary vein); G, MPEF-Pb-9092 (arrow, intramarginal vein); H, MPEF-Pb-9093; I, MPEF-Pb-9094. J-K, digital overlay drawing (DOD) of morphotype SA035 (Bixaceae?). J, tooth venation of MPEF-Pb-2031 (exemplar, see also Figure 20A, 20C); K, MPEF-Pb-4078. L-M, morphotype SA041 (Rhamnaceae). L, hand drawing of MPEF-Pb-2034 (exemplar, see also Figure 23A); M, DOD of venation in MPEF-Pb-9095 (arrow, two small, scattered teeth). Scale bars equal 10 mm, except 4 millimeter scale in Figure 19F, 19J, and 19M.
FIGURE 29 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 29. Morphotype SA049 "Myrica" premira Berry (continued, see also Figure 27E-F), morphotype SA050 (Anacardiaceae? see also Figure 31A-D), and related material. A-K, morphotype SA049 "Myrica" premira (except Figure 29C). A, "M." premira syntype USNM-201963 (illustrated in Berry, 1937a, plate V, figure 4; see also Table 2); B, tooth detail (arrow) from specimen in Figure 29A; C, "M. premira" syntype USNM-201962 (illustrated in Berry, 1937a, plate V, figure 3; here referred to morphotype SA020 Cunoniaceae; see also Tables 1, 2), note the thick fimbrial vein (arrow); D, MPEF-Pb-2042 (exemplar, see also Figure 27E), note swollen petiole base (arrow); E, MPEF-Pb-3027 (accessory exemplar 1) (arrow, a crenation); F, MPEF-Pb-3026 (accessory exemplar 2), with piercing and sucking leaf damage (DT 46, arrows; see also Donovan et al., 2016), often found on this leaf morphotype; G, venation detail from specimen in Figure 29F (arrow, a crene); H, higher order venation of specimen in Figure 29F, note dendritic branching of freely ending veinlets (arrow); I, MPEF-Pb-4135; J, MPEF-Pb-4134, with piercing and sucking leaf damage (DT 46; see also Donovan et al., 2016); K, MPEF-Pb-4136, with Cochlichnus trace fossils. L-O, morphotype SA050 (Anacardiaceae?). L, higher-order venation from Figure 29M, note admedially ramified tertiary venation (arrow); M, MPEF-Pb-2043 (exemplar, see also Figure 31A); N, MPEF-Pb-4143; O, leaf venation detail of MPEF-Pb-9150, showing admedially ramified venation (arrow). Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 28 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 28. Morphotype SA048 (Rhamnaceae; continued, see also Figure 27B-D) and morphotype SA052 (Sapindaceae? continued, see also Figure 27J). A-G, morphotype SA048 (Rhamnaceae). A, "Banaraphyllum" ovatum Berry, 1937a holotype, USNM-201953 (illustrated in Berry, 1937a, plate IX, figure 1; see also Figure 27D and Tables 1, 2); B, Ziziphus chubutensis Berry, 1937a holotype, USNM-208529 (illustrated in Berry, 1937a, plate IX, figure 2; see also Figure 27C and Tables 1, 2); note the Cochlichnus trace fossils; C, MPEF-Pb-4129 (arrow, decurrent secondary veins); D, MPEF-Pb-2041 (exemplar, see also Figure 27B), note the naked basal vein (black arrow) and the margin feeding leaf damage (DT14, white arrow; see also Donovan et al., 2016); E, tooth detail from specimen in Figure 28D (arrow, an independent sinus vein); F, leaf base of MPEF-Pb-9119, note the naked basal vein (black arrow); G, MPEF-Pb-9120, with hole feeding leaf damage (DT05, arrow; see also Donovan et al., 2016). H-I, morphotype SA052 (Sapindaceae?), MPEF-Pb-2045 (exemplar, see also figure 27J). H, detail of the teeth and higher order venation (arrow, tooth venation forking at the sinus); I, complete (probable) leaflet. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 20 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 20. Morphotype SA035 (Bixaceae? continued, see also Figure 19J-K). A, MPEF-Pb-2031 (exemplar, see also Figures 19J, 20C); B, MPEF-Pb-4078 (arrow, sinus-bracing vein); C, tooth detail of specimen in Figure 20A (exemplar); D, venation detail at leaf base, MPEF-Pb-9096; E, venation detail of MPEF-Pb-9097 (arrow, compound agrophic veins); F, basal venation of MPEF-Pb-9098; G, MPEF-Pb-4083 (arrow, sinus-bracing vein); H, MPEF-Pb-4082; I, MPEF-Pb-4079. Scale bars equal 10 mm, except 5 millimeter scale in Figure 20C.
FIGURE 8 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 8. Stacked bars with the distribution of observed vs. expected frequencies (uniform distribution) of drill holes in sectors along a dorso ventral direction. Data as percentages.
FIGURE 6 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 6. Box plot of anterior-posterior length (APL) of drilled (n=36) and undrilled (n=59) Nacella magellanica shells. Undrilled shells are slightly larger although non significantly different from drilled ones (Wilcoxon sum ranks test, p= 0.284; t-test, p= 0.179).
FIGURE 5 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 5. Scanning electron microscope images of drill holes on Nacella magellanica shells. (1). Complete and functional Oichnus simplex (CEGH-UNC-26877). (2). Complete non-functional O. simplex (CEGH-UNC-26877). 3. Complete and functional Oichnus ovalis (CEGH-UNC-26876). (4-6). Incomplete O. simplex. (4). Note the flat nature of the bottom. (5) and (6) magnifications of a drill hole wall with probable radular rasp marks. (4-6, CEGH-UNC- 26878).
FIGURE 3 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 3. (1). External view of a specimen of Nacella magellanica with a drilling on the posterior part (CEGH-UNC- 26872). (2). Internal view of a specimen of Nacella magellanica with a drilling on the posterior part, above the Ushaped muscle scar (CEGH-UNC-26873). (3). Modeling of limpet shell as cone and truncated cones to estimate the proportion of the area represented by the different sectors. To the left, a real representation of a limpet shell. The Ushaped muscle scar (U-scar) is visible from the inside. To the right, the model composed of one cone and two truncated cones.
FIGURE 4 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 4. Photographs of drill holes. (1) Successful muricid drill hole (Oichnus simplex) (internal minimum diameter of the hole: 1.76 mm; CEGH-UNC-26874). (2) Unsuccessful muricid drill hole (external minimum diameter of the hole: 1.75 mm; CEGH-UNC-26875). (3 and 4), Octopus drill hole (Oichnus ovalis) (internal minimum and maximum diameters of the hole: 0.15 and 0.27 mm, respectively. Both images correspond to the same specimen, CEGH-UNC- 26876).
FIGURE 2 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 2. Sampling: (1) view of the modern beach of Puerto Lobos showing a boulder field at low tide (distance from the boulder to the steps is approximately 15 m). (2) detail of the 50 x 50 cm quadrate used for sampling mollusk specimens. (3) Detail of the boulder field (from side to side the picture measures ca. 5 m).
FIGURE 1 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 1. Location map of Puerto Lobos in the southern part of the San Matías Gulf, Patagonia, Argentina.
Figures 13-18. 13 in New records of associations between species of Reduviidae (Hemiptera: Heteroptera) and plants in Argentina
Figures 13-18. 13. Phymata cf. fortificata sucking nectar from a flower of Oxypetalum arnottianum. 14. Harpactor angulosus preying on a caterpillar on a leaf of Oxypetalum erianthum. 15-17. Bactrodes femoratus on leaves of Macroscepis elliptica. 15. An adult preying upon on unidentified winged insect. 16. Female with its egg batch. 17. A nymph. 18. SEM image of abaxial surface of a leave of Macroscepis elliptica. / 13. Phymata cf. fortificata chupando néctar de una flor de Oxypetalum arnottianum. 14. Harpactor angulosus depredando una oruga en una hoja de Oxypetalum erianthum. 15-17. Bactrodes femoratus en hojas de Macroscepis elliptica. 15. Un adulto alimentándose de un insecto alado no identificado. 16. Hembra con su lote de huevos. 17. Una ninfa. 18. imagen MEB de la superficie abaxial de una hoja de Macroscepis elliptica.
Figures 1-6 in New records of associations between species of Reduviidae (Hemiptera: Heteroptera) and plants in Argentina
Figures 1-6. Species of Reduviidae recorded sucking nectar from flowers and their respective plant species. 1. Heniartes erythromerus on Senecio grisebachii. 2. Cosmoclopius nigroannulatus on Oxypetalum pannosum. 3. Notocyrtus dorsalis on Oxypetalum balansae. 4. Repipta flavicans on Orthosia virgata. 5. Zelus armillatus on Gonolobus parviflorus. 6. Zelus cf. couturieri on O. balansae. / Especies de Reduviidae registradas chupando néctar de flores y las especies respectivas de plantas. 1. Heniartes erythromerus en Senecio grisebachii. 2. Cosmoclopius nigroannulatus en Oxypetalum pannosum. 3. Notocyrtus dorsalis en Oxypetalum balansae. 4. Repipta flavicans en Orthosia virgata. 5. Zelus armillatus en Gonolobus parviflorus. 6. Zelus cf. couturieri en O. balansae
Figures 7-12 in New records of associations between species of Reduviidae (Hemiptera: Heteroptera) and plants in Argentina
Figures 7-12. Species of Reduviidae recorded sucking nectar from flowers and the respective plant species. 7-8. Zelus laticornis 7. On Ditassa burchelli. 8. On Oxypetalum balansae. 9. Zelus sp. 1. 10. Zelus sp. 2. 9-10. On O. balansae. 11-12. Zelus versicolor. 11. Adult female on Gomphocarpus physocarpus. 12. Nymph on O. balansae. / Especies de Reduviidae registradas chupando néctar de flores y las especies respectivas de plantas. 7-8. Zelus laticornis 7. En Ditassa burchelli. 8. En Oxypetalum balansae. 9. Zelus sp. 1. 10. Zelus sp. 2. 9-10. En O. balansae. 11-12. Zelus versicolor. 11. Hembra adulta en Gomphocarpus physocarpus. 12. Ninfa en O. balansae.
Below: adult male of the same species, in full color. Both fish come from temporary ponds 50 kilometers south of Buenos Aires. Photos by Dr. Hugo P. Gastello. in Cynolebias alexandri, a new species of annual killifish from Argentina, with notes on C. bellottii
Below: adult male of the same species, in full color. Both fish come from temporary ponds 50 kilometers south of Buenos Aires. Photos by Dr. Hugo P. Gastello.
Paratype male of Cynolebias alexandri sp. nov. from Gualeguaychu, Provincia de Entre Rios, Argentina. Photo by Dr. Hugo P. Castello. in Cynolebias alexandri, a new species of annual killifish from Argentina, with notes on C. bellottii
Paratype male of Cynolebias alexandri sp. nov. from Gualeguaychu, Provincia de Entre Rios, Argentina. Photo by Dr. Hugo P. Castello.
FIGURE 7 in Drilling predation traces on recent limpets from northern Patagonia, Argentina
FIGURE 7. Dispersion plot between drill hole minimum inner diameter (mm) and length (mm) of the limpet N. magellanica.
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