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Figure 14. Trilobatus sacculifer and Globigerinoidesella fistulosa protuberance ultrastructure. A in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 14. Trilobatus sacculifer and Globigerinoidesella fistulosa protuberance ultrastructure. A, Trilobatus sacculifer (Brady, 1877); B–G, Globigerinoidesella fistulosa (Schubert, 1910). A, ODP Site 1115, Woodlark Basin, western Pacific; 10H/04/ 127–129 cm (incipient protuberance with surface texture continuous from chamber). B, C, F, G, ODP Site 1115, Woodlark Basin, western Pacific; 10H/04/127–129 cm (A, numerous spine holes present, many pores obscured/distorted; B, surface texture change towards protuberance ends with blocky thick calcite obscuring pores; F, cross-sectional view of broken protuberance, showing hollow interior; G, cross-sectional view of broken protuberance, showing hollow interior); D, E, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (D, surface texture change towards protuberance ends; blocky thick calcite obscuring pores; E, left protuberance marked by change in wall texture at protuberance end, right protuberance has all original surface texture obscured). Scale bars = 20 Lm.
Figure 12. A–C, F–L in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 12. A–C, F–L, Globigerinoidesella fistulosa (Schubert, 1910); D, E, Trilobatus sacculifer (Brady, 1877). A–C, ODP Site 926, Ceara Rise, western tropical Atlantic; 7H/05/27–29 cm (A, umbilical view; B, C, spiral view); F–I, K, ODP Site 926, Ceara Rise, western tropical Atlantic; 8H/02/52–54 cm (F, I, K, umbilical view; G, H, spiral view); J, L, ODP Site 926, Ceara Rise, western tropical Atlantic; 7H/05/27–29 cm (umbilical view). D, E, ODP Site 926, Ceara Rise, western tropical Atlantic; 7H/05/ 27–29 cm (spiral view). Scale bars = 200 Lm.
Figure 8. Typical Trilobatus quadrilobatus and intergradation with Trilobatus sacculifer. A–K in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 8. Typical Trilobatus quadrilobatus and intergradation with Trilobatus sacculifer. A–K, Trilobatus quadrilobatus (d'Orbigny, 1846); L–P, Trilobatus sacculifer (Brady, 1877). A, B, E, F, G–K, ODP Site 871, Limalok Guyot, Marshall Islands, equatorial Pacific 3H/03/60–62 cm (A, E–I, K, umbilical view; B, detail of wall texture, including spine holes, infilled pores, broadened interpore ridges; J, detail of wall texture and imperforate lip developed on primary aperture); C, D, GLOW-3, south-west Indian Ocean (C, umbilical view; D, spiral view). L–P, ODP Site 871, Limalok Guyot, Marshall Islands, equatorial Pacific 3H/03/60–62 cm (L–P, umbilical view; for L note slight chamber flattening compared with I–K). Scale bars = 100 Lm, except for close-up images B and J, where scale bars = 20 Lm.
Figure 11. Trilobatus sacculifer with incipient protuberances and intergradation with Globigerinoidesella fistulosa. A–J in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 11. Trilobatus sacculifer with incipient protuberances and intergradation with Globigerinoidesella fistulosa. A–J, Trilobatus sacculifer (Brady, 1877); K–P, Globigerinoidesella fistulosa (Schubert, 1910). A–J, ODP Site 1115, Woodlark Basin, western Pacific; 10H/04/127–129 cm (A, D, J, umbilical view, in A note kummerform final sac-like chamber; B, C, H, I, spiral view, in B note kummerform final sac-like chamber); E–G, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (E, umbilical view; F, G, spiral view). K, L, O, P, ODP Site 1115, Woodlark Basin, western Pacific; 10H/04/127–129 cm (K, spiral view; L, umbilical view; note multiple small protuberances and broad flattened final chamber; O, P, umbilical view); M, N, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (umbilical view). Scale bars = 100 Lm.
Figure 17 in Systematic taxonomy of the Trilobatus sacculifer plexus and descendant Globigerinoidesella fistulosa (planktonic foraminifera)
Figure 17. Trilobatus sacculifer plexus, showing type specimens (A–D), morphological intergradation sequence and morphospecies exemplars (E–H). A, E, Trilobatus trilobus (Reuss, 1850); B, F, Trilobatus immaturus (LeRoy, 1939); C, G, Trilobatus quadrilobatus (d'Orbigny, 1846); D, H, Trilobatus sacculifer (Brady, 1877). A, salt mine Wieliczka, near Krakow, Poland (umbilical view; neotype image reproduced from Rogl 2012, pl. 1, fig. 1). B, Telisa Shales, Tapoeng Kiri area, Rokan-Tapanoeli, Central Sumatra, Indonesia (umbilical view; holotype image reproduced from LeRoy 1939, pl. 3, fig. 19). C, Nussdorf (= Nubdorf), Rara, Vienna Basin, Austria (umbilical view; lectotype image reproduced from Papp & Schmid 1985, pl. 3, fig. 19). D, New Ireland, Papua New Guinea (umbilical view; lectotype of Banner & Blow 1960, image reproduced from Williams et al. 2006, pl. 1, fig. 1). E, GLOW-3, south-west Indian Ocean (umbilical view). F, ODP Site 871, Limalok Guyot, Marshall Islands, equatorial Pacific 3H/ 03/60–62 cm (umbilical view). G, ODP Site 871, Limalok Guyot, Marshall Islands, equatorial Pacific 3H/03/60–62 cm (umbilical view). H, ODP Site 1115, Woodlark Basin, western Pacific; 11H/04/25–27 cm (umbilical view). Scale bars = 100 Lm.
Figure 7 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 7. Sphaeroidinellopsis kochi: A, B, NHMUK PM PF 75170; C, D, NHMUK PM PF 75171, umbilical and spiral views from sample 159/959B 17H-6 (87–89 cm), Zone M10 middle Miocene, east equatorial Atlantic; E, F, NHMUK PM PF 75172; G, H, NHMUK PM PF 75173; J, K, NHMUK PM PF 75174; I, L, NHMUK PM PF 75175, from sample 159/959B 17H-6 (36–38 cm), Zone M10 middle Miocene, east equatorial Atlantic; M, N, NHMUK PM PF 75176; O, P, NHMUK PM PF 75177, from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic. Scale bars = 100 Mm.
Figure 8 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 8. Sphaeroidinellopsis phylogeny. Sphaeroidinellopsis disjuncta appeared from Globoturborotalita woodi in the early Miocene, giving rise to two different lineages. With a progressive elongation of the last chamber, the transition to S. kochi took place at the end of the early Miocene. The second lineage arose from the three-chambered populations giving rise to S. seminulina, leading to the Sphaeroidinella lineage. Globoturborotalita woodi is provisionally retained as the ancestor according to the literature and in the absence of transitional individuals between G. druryi or G. labiacrassata and S. disjuncta.
Figure 4 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 4. Sphaeroidinellopsis kochi: A–C, NHMUK PM PF 75151, umbilical, edge and spiral views from sample 154/925A 4R-3 (60–62 cm), Zone M6 middle Miocene, western equatorial Atlantic; D, H, L, NHMUK PM PF 75152, from sample 159/959B 17H-6 (36–38 cm), Zone M10 middle Miocene, east equatorial Atlantic; P, wall texture detail in 50 × 50 Mm surface from specimen D; E–G, NHMUK PM PF 75153; J–I, NHMUK PM PF 75154; M–O, NHMUK PM PF 75155, from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic. Scale bars: A–O = 100 Mm; P = 10 Mm.
Figure 1 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 1. Locations of the Ocean Drilling Program (ODP) Sites 925 and 959 in the Atlantic Ocean. Image made using Ocean Data View (Schlitzer 2018).
Figure 6 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 6. Sphaeroidinellopsis kochi: A, B, NHMUK PM PF75162; C, D, NHMUK PM PF 75163; E, F, NHMUK PM PF 75164; G, H, NHMUK PM PF 75165; J, K, NHMUK PM PF 75166; I–L, NHMUK PM PF 75167; M, N, NHMUK PM PF 75168; O, P, NHMUK PM PF 75169, umbilical and spiral views from sample 159/959B 17H-6 (87–89 cm), Zone M10 middle Miocene, east equatorial Atlantic. Scale bars = 100 Mm.
Figure 3 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 3. Sphaeroidinellopsis disjuncta: A, B, NHMUK PM PF 75143; C, D, NHMUK PM PF 75144; E, F, NHMUK PM PF 75145; G, H, NHMUK PM PF 75146, umbilical and spiral views from sample 159/959B 17H-6 (87–89 cm), Zone M10 middle Miocene, east equatorial Atlantic; G, H, from sample 159/959B 17H-6 (36–38 cm), Zone M10 middle Miocene, east equatorial Atlantic; Sphaeroidinellopsis disjuncta–Sphaeroidinellopsis kochi: J, K, NHMUK PM PF 75147; I–L, NHMUK PM PF 75148; M–O, NHMUK PM PF 75149; P, Q, NHMUK PM PF 75150, transitional individuals from sample 154/925A 4R-3 (60–62 cm), Zone M6 middle Miocene, western equatorial Atlantic; O, wall texture detail in 50 × 50 Mm surface of specimen shown in M, N. Scale bars: A–N, P, Q = 100 Mm; O = 10 Mm.
Figure 2. A–H in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 2. A–H, Dentoglobigerina altispira; A, NHMUK PM PF 75178; B, NHMUK PM PF 75179, umbilical view from sample 159/959B 17H-6 (87–89 cm), Zone M10 middle Miocene, east equatorial Atlantic; Dentoglobigerina venezuelana: C, NHMUK PM PF 75180; D, NHMUK PM PF 75181, from sample 159/959B 17H-6 (36–38 cm), Zone M10 middle Miocene, east equatorial Atlantic; Globigerinoides cf. altiaperturus: E, NHMUK PM PF 75182; F, G, NHMUK PM PF 75183, umbilical, spiral views and wall detail on 50 × 50 Mm, from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; Globoquadrina dehiscens: H, NHMUK PM PF 75184, umbilical view, from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; Clavatorella bermudezi: J, NHMUK PM PF 75185; K, NHMUK PM PF 75186; L, M, NHMUK PM PF 75187; N, NHMUK PM PF 75188, umbilical, edge and spiral views, and wall detail; from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; Sphaeroidinellopsis disjuncta–Sphaeroidinellopsis kochi: O, NHMUK PM PF 75189, transitional specimen umbilical view from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; Sphaeroidinellopsis kochi: P, NHMUK PM PF 75190, umbilical view from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; Orbulina suturalis: Q, NHMUK PM PF 75191, from sample 159/959B 17H-6 (87–89 cm), Zone M10 middle Miocene, east equatorial Atlantic. Scale bars: A–F, H–L, N–Q = 100 Mm; G, M = 10 Mm.
Figure 5 in Systematic taxonomy of middle Miocene Sphaeroidinellopsis (planktonic foraminifera)
Figure 5. Sphaeroidinellopsis kochi: A–C, NHMUK PM PF 75156; D, H, L, NHMUK PM PF 75157; E–G, NHMUK PM PF 75158; J–I, NHMUK PM PF 75159; M–O, NHMUK PM PF 75160; P, NHMUK PM PF 75161, from sample 154/925A 4R-2 (65–67 cm), Zone M7 middle Miocene, western equatorial Atlantic; D, H, L, P from sample 154/925A 4R-3 (60–62 cm), Zone M6 middle Miocene, western equatorial Atlantic. Scale bars = 100 Mm.
Figures 44–52 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 44–52: Alexandrium tamarense, LM and SEM. (44) Cell in ventral view, LM. (45) Empty cell in ventral view with plate tabulation, LM. (46) Detail of the epitheca with some plates and ventral pore (arrow), LM. (47) Apical view, with plate tabulation, LM. (48, 49) Hypotheca with plate tabulation, including the posterior sulcal plate (Sp) and its pore (arrow), LM. (50) Epitheca with plate tabulation and the ventral pore (arrow), SEM. (51) Epitheca with plate tabulation, SEM. (52) Po with some plates surrounding it, and the ventral pore (arrow), SEM.
Figures 28–37 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 28–37: Alexandrium monilatum, LM and SEM.(28, 29) A long chain (8 cells) and detail of that chain, respectively, LM. (30) Pair of cells in ventral view, SEM. (31) General outline of a cell, LM. (32) Cell in ventral view showing Po and 1′, SEM. (33) Detail of the cingulum and sulcus, showing the first apical plate (1′), SEM. (34) Apical view with plate tabulation, SEM. (35) Hypotheca showing the posterior sulcal plate (Sp) and its connecting pore (arrow), SEM. (36) Po plate with the conjunction pore and foramen, SEM. (37) Posterior sulcal plate showing the connection pore, LM.
Figures 20–21 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 20–21: Alexandrium leei, LM. (20) Recently fixed cell in ventral view. (21) An empty cell in ventral view showing plate tabulation, arrow indicates the ventral pore in the first apical plate (1′).
Figures 9–11 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 9–11: Alexandrium gaarderae, LM. (9, 10) Two different focal planes of a solitary cell in ventral view, showing the cell outline, cingulum and sulcus. (11) A cell in dorsal view.
Figures 2–8 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 2–8: Alexandrium affine, LM. (2, 3) Chains of 8 and 3 cells, respectively. (4) An empty cell showing only the theca in ventral view. (5) Epitheca in ventral view showing the ventral pore (arrow) in the first apical plate (1′). (6) Epitheca with Po and 1′ showing the ventral pore (arrow). (7, 8) Po and posterior sulcal plate (Sp) (with a connecting pore), respectively.
Figures 67–69 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figures 67–69: Alexandrium tropicale, LM. (67) Pair of cells. (68, 69) Epitheca and hypotheca with plate tabulation.
Figure 1 in Diversity and distribution of species of the planktonic dinoflagellate genus Alexandrium (Dinophyta) from the tropical and subtropical Mexican Pacific Ocean
Figure 1: Map with the sampling points where species of Alexandrium were found and the sites from which the established strains were isolated.
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