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Figure 9 from: Tanaka H, Tsukagoshi A (2013) Description and scanning electron microscopic observation of a new species of the genus Polycopetta (Crustacea, Ostracoda, Cladocopina) from an interstitial habitat in Japan. ZooKeys 294: 75-91. https://doi.org/10.3897/zookeys.294.4846

Figure 9 - Light micrograph of male antennula of Polycopetta quadrispinata sp. n. Arrow indicates seta with serrations at ventrodistal end.

Figure 11 from: Tanaka H, Tsukagoshi A (2013) Description and scanning electron microscopic observation of a new species of the genus Polycopetta (Crustacea, Ostracoda, Cladocopina) from an interstitial habitat in Japan. ZooKeys 294: 75-91. https://doi.org/10.3897/zookeys.294.4846

Figure 11 - SEM images of male fifth limb of Polycopetta quadrispinata sp. n. A left lateral view B enlarged view of figure 11A. Abbreviations: ba basis cx coxa en endopodite ex exopodite epi epipodite.

Figure 10 from: Tanaka H, Tsukagoshi A (2013) Description and scanning electron microscopic observation of a new species of the genus Polycopetta (Crustacea, Ostracoda, Cladocopina) from an interstitial habitat in Japan. ZooKeys 294: 75-91. https://doi.org/10.3897/zookeys.294.4846

Figure 10 - Polycopetta quadrispinata sp. n. A and D male, paratype (SUM-CO-2094) B and C male, holotype (SUM-CO-2093). A right lateral view of upper lip B mandibula C maxillula C′precoxa of maxillula except setulae on setae C" coxa of maxillula except setulae on setae D fifth limb. Arrowheads indicate tip of precoxal setae of maxillula. Abbreviations: ba basis cx coxa en endopodite ex exopodite pcx precoxa.

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IODP Expedition 351 Scanning electron microscope images

<p>Microscopic images of discrete samples were acquired using a scanning electron microscope (SEM) and captured as image files. These files were uploaded along with a brief description and a record of the microscopic conditions when the image was taken.</p>

Text-fig. 39. Scanning electron microscope (SEM) images of "Pollen clump with tricolpate pollen sp. 3"; Catefica locality, Portugal. a) Pollen clump, probably an anther fragment, containing one kind of pollen; b, d, e) Pollen grains from stamen fragment in polar (b, d) and equatorial (e) views showing the long colpi with coarsely verrucate aperture membranes; note the semitectate-reticulate tectum in the mesocolpium regions and foveolate-punctate tectum in the polar regions and along the aperture margins; c) Detail of pollen wall showing smooth muri and short, densely-spaced columellae. Specimen, Catefica 49-S107785 (a–e). Scale bars = 600 Μm (a), 6 Μm (b, d, e), 1.5 Μm (c). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms

Text-fig. 39. Scanning electron microscope (SEM) images of "Pollen clump with tricolpate pollen sp. 3"; Catefica locality, Portugal. a) Pollen clump, probably an anther fragment, containing one kind of pollen; b, d, e) Pollen grains from stamen fragment in polar (b, d) and equatorial (e) views showing the long colpi with coarsely verrucate aperture membranes; note the semitectate-reticulate tectum in the mesocolpium regions and foveolate-punctate tectum in the polar regions and along the aperture margins; c) Detail of pollen wall showing smooth muri and short, densely-spaced columellae. Specimen, Catefica 49-S107785 (a–e). Scale bars = 600 Μm (a), 6 Μm (b, d, e), 1.5 Μm (c).

Text-fig. 35. Scanning electron microscope (SEM, a, b, d) and synchrotron radiation X-ray tomographic microscopy (SRXTM, c, e) images of "Paisia-like follicle"; Catefica locality, Portugal. a) Lateral view of slender follicle with an almost straight ventral margin and a slightly curved dorsal margin; b) Lateral view of small, broad follicle with slightly sinuous ventral margin and rounded dorsal margin; c) Lateral view of small, broad follicle with slightly sinuous ventral margin and rounded dorsal margin; d) Apical part of follicle in (a) showing the slight apical cleft in the probable stigmatic region; e) Transverse section (orthoslice xy0407) of follicle showing ovules and distinct follicle wall with small, thin-walled cells of the outer epidermis (arrow), larger, isodiametric cells of the mesocarp and an inner layer of smaller, thin-walled cells. Specimens, Catefica 50-S171523 (a, d), Catefica 343-S171515 (b), Catefica 49-S174929 (c, e). Scale bars = 300 Μm (a–c), 100 Μm (d, e). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms

Text-fig. 35. Scanning electron microscope (SEM, a, b, d) and synchrotron radiation X-ray tomographic microscopy (SRXTM, c, e) images of "Paisia-like follicle"; Catefica locality, Portugal. a) Lateral view of slender follicle with an almost straight ventral margin and a slightly curved dorsal margin; b) Lateral view of small, broad follicle with slightly sinuous ventral margin and rounded dorsal margin; c) Lateral view of small, broad follicle with slightly sinuous ventral margin and rounded dorsal margin; d) Apical part of follicle in (a) showing the slight apical cleft in the probable stigmatic region; e) Transverse section (orthoslice xy0407) of follicle showing ovules and distinct follicle wall with small, thin-walled cells of the outer epidermis (arrow), larger, isodiametric cells of the mesocarp and an inner layer of smaller, thin-walled cells. Specimens, Catefica 50-S171523 (a, d), Catefica 343-S171515 (b), Catefica 49-S174929 (c, e). Scale bars = 300 Μm (a–c), 100 Μm (d, e).

Text-fig. 16. Scanning electron microscope (SEM) images of "Stamen fragments with in situ Clavatipollenites- or Asteropollis-type pollen" (sp. 1: a–c; sp. 2: d–f; sp. 3: g–i); Catefica locality, Portugal. a) Stamen fragment showing pollen sacs; b) Distal view of pollen grain from (a) showing semitectate-reticulate tectum; c) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered, columellae supporting muri with fine pits and rounded supratectal ornamentation; note orbiculae with a finely spiny surface (arrows); d) Stamen showing very short filament, lateral pollen sacs and short apical extension of the narrow connective; e) Folded pollen grain from (d) showing semitectate-reticulate tectum; f) Detail of pollen wall from (d) showing the semitectatereticulate tectum and muri with fine rounded ornamentation; g) Stamen fragment; h, i) Detail of pollen grains from (g) showing the semitectate-reticulate tectum with smooth muri, long scattered columellae and tiny scattered orbicules (arrow). Specimens, Catefica 50-S170395 (a–c), Catefica 49-S172561 (d–f), Catefica 50-S170390 (g–i). Scale bars = 600 Μm (a, d, g), 6 Μm (b, e, h), 1.5 Μm (c, f, i). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms

Text-fig. 16. Scanning electron microscope (SEM) images of "Stamen fragments with in situ Clavatipollenites- or Asteropollis-type pollen" (sp. 1: a–c; sp. 2: d–f; sp. 3: g–i); Catefica locality, Portugal. a) Stamen fragment showing pollen sacs; b) Distal view of pollen grain from (a) showing semitectate-reticulate tectum; c) Detail of pollen wall showing the semitectate-reticulate tectum and long, scattered, columellae supporting muri with fine pits and rounded supratectal ornamentation; note orbiculae with a finely spiny surface (arrows); d) Stamen showing very short filament, lateral pollen sacs and short apical extension of the narrow connective; e) Folded pollen grain from (d) showing semitectate-reticulate tectum; f) Detail of pollen wall from (d) showing the semitectatereticulate tectum and muri with fine rounded ornamentation; g) Stamen fragment; h, i) Detail of pollen grains from (g) showing the semitectate-reticulate tectum with smooth muri, long scattered columellae and tiny scattered orbicules (arrow). Specimens, Catefica 50-S170395 (a–c), Catefica 49-S172561 (d–f), Catefica 50-S170390 (g–i). Scale bars = 600 Μm (a, d, g), 6 Μm (b, e, h), 1.5 Μm (c, f, i).

Text-fig. 15. Scanning electron microscope (SEM) images of stamen with "Asteropollis-type pollen sp. 2"; Catefica locality, Portugal. a) Stamen with pollen in situ showing the dome-shaped extension of the connective with hairs; b–d) Pollen in situ in stamen in (a) showing poorly defined pentachotomocolpate (b, d) and possibly tetrachotomocolpate (c) apertures and semitectate-reticulate tectum; e) Detail of broken pollen grains showing the loosely attached reticulum, long scattered columellae and thick foot layer. Specimen, Catefica 49-S101209 (a–e). Scale bars = 600 Μm (a), 6 Μm (b–e). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms

Text-fig. 15. Scanning electron microscope (SEM) images of stamen with "Asteropollis-type pollen sp. 2"; Catefica locality, Portugal. a) Stamen with pollen in situ showing the dome-shaped extension of the connective with hairs; b–d) Pollen in situ in stamen in (a) showing poorly defined pentachotomocolpate (b, d) and possibly tetrachotomocolpate (c) apertures and semitectate-reticulate tectum; e) Detail of broken pollen grains showing the loosely attached reticulum, long scattered columellae and thick foot layer. Specimen, Catefica 49-S101209 (a–e). Scale bars = 600 Μm (a), 6 Μm (b–e).

Text-fig. 31. Scanning electron microscope (SEM) images of isolated pollen of Piercipollis sp. (a, b) and Teebacia sp. (c–e); Catefica locality, Portugal. a) Isolated pollen grain (arrow) adhering to the much larger pollen of Araucariacites sp. in fragment of a conifer cone; note the size difference between the angiosperm and conifer pollen that is typical in Early Cretaceous floras; b) Pollen grain in (a) enlarged showing the extended aperture and homobrochate reticulum with smooth muri supported by long, scattered, columellae; c) Isolated pollen grains adhering to the outer surface of a Saportanthus parvus flower; d) Pollen grain in (c) enlarged showing the open reticulum and muri ornamented by fine transverse ribs; e) Detail of pollen grain in (d) showing the muri supported by long, scattered columellae; note the fine transverse ribs on the muri. Specimens, Catefica 49-S170139-01 (a, b), Catefica 361-S174322-01 (c–e). Scale bars = 50 Μm (a), 20 Μm (c), 6 Μm (b, d), 1.5 Μm (e). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms

Text-fig. 31. Scanning electron microscope (SEM) images of isolated pollen of Piercipollis sp. (a, b) and Teebacia sp. (c–e); Catefica locality, Portugal. a) Isolated pollen grain (arrow) adhering to the much larger pollen of Araucariacites sp. in fragment of a conifer cone; note the size difference between the angiosperm and conifer pollen that is typical in Early Cretaceous floras; b) Pollen grain in (a) enlarged showing the extended aperture and homobrochate reticulum with smooth muri supported by long, scattered, columellae; c) Isolated pollen grains adhering to the outer surface of a Saportanthus parvus flower; d) Pollen grain in (c) enlarged showing the open reticulum and muri ornamented by fine transverse ribs; e) Detail of pollen grain in (d) showing the muri supported by long, scattered columellae; note the fine transverse ribs on the muri. Specimens, Catefica 49-S170139-01 (a, b), Catefica 361-S174322-01 (c–e). Scale bars = 50 Μm (a), 20 Μm (c), 6 Μm (b, d), 1.5 Μm (e).

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Figure 6 from: Parra-Gómez A, Pérez-Schultheiss J, Fernández LD (2024) Redescription of the enigmatic myriapod Hanseniella chilensis (Hansen, 1903) (Symphyla, Scutigerellidae) based on scanning electron microscope images of Chilean specimens. ZooKeys 1198: 1-15. https://doi.org/10.3897/zookeys.1198.119723

Figure 6 A, B habitus of the species C general habitat where the species can be found.

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Figure 1 from: Tanaka H, Tsukagoshi A (2013) Description and scanning electron microscopic observation of a new species of the genus Polycopetta (Crustacea, Ostracoda, Cladocopina) from an interstitial habitat in Japan. ZooKeys 294: 75-91. https://doi.org/10.3897/zookeys.294.4846

Figure 1 - Sampling site. A map of Japan B type locality of Polycopetta quadrispinata sp. n.