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Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm

valves narrowly eliptical; rounded apices; striae uniseriate, parallel, evenly distributed on the whole valve, except the central area; axial area wide with oval center and shorter striae; raphe simple, proximal ends deflect in the same direction, distal ends bear characteristic structure

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
valves arcuate; dorsal margin concave, ventral convex; apices rounded, slightly deflected dorsally; striae punctate; costae every two striae; raphe on the ventral margin, raches towards dorsal margin in the valve center (triangular pattern on the valve face)
third line of pictures: girdle view of the dorsal margin

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 16, 2019

Descripción

scale bar 10 μm
valves elongate, linear, narrow; apices rounded; narrow central sternum; in some spices central ghost striae; rimoportuale on each apex (black dot visible on pictures);valve mantle visible on fourth picture

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 16, 2019

Descripción

scale bar 10 μm
valves slightly arcuate; dorsal margin with two rounded undulations; ventral margin weakly concave; apices deflected dorsally; striae denser at the ends; raphe on the ventral side- arrow

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 16, 2019

Descripción

scale bar 10 μm
valves arcuate; dorsal margin convex, ventral concave; valves taper towards apices; apices rounded; striae spaced evenly, areoale not visible in LM; raphe on ventral side (arrow); raphe cures on valve face (dark points on apices)

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10 μm
valves lanceolate; taper to rounded apices; striae punctate; fibulae barely visible, thicker on opposite margin;

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μmvlves linear, narrow, very long species; width may decrease towards apices; apices rounded, rostrate; central area with ghostr striae

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 22, 2019

Descripción

scale bar 10 μm
valves subcircular, saddle shaped frustules; monoraphid diatom: first line of pictures raphe valve; second line rapheless valve; apices slightly pointed; raphe simple, linear, sometimes hardly visible in LM (second picture in first line); raphe valve bears hyaline area on valve margin; areolae on the rapheless valve transapically elongate (visible on pictures)

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 17, 2019

Descripción

scale bar 10 μm
valves linear-lanceolate; raphe simple; distal raphe ends deflected in the same direction; sparse short striae on central area

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 22, 2019

Descripción

scale bar 10 μm
valves small, centric; valve face flat or transversely undulate; central fultoportulae (visible on third picture-internal view).

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
valves linear, longitudinal lines close to valve margin; uniseriate straiae, visible in LM; proximal raphe ends bilaterally deflected.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10um
valves elliptic, apices apiculate, large central area; central area maculose; straiae puntate.
one specimen in 10 different focuses
"top" valve-first line
"bottom" valve-second line
irregular shape-fractures on bottom valve

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Junio 1, 2018

Descripción

scale bar 10 μm
valves large, asymmetric on transapical axis; headpole capitate; stigma on central area; apical porefield present on footpole, visible in LM; uniseriate straiae, visible in LM; distal ends of raphe deflected

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 13, 2019

Descripción

scale bar 10 μm
valves dorsi-ventral, apices rounded; dorsal margin arched, ventral slightly concave with slightly convex central part; large stigma present in central area; striae punctate; easily observed in LM; raphe undulate, proximal ends curved toward ventral margin, distal ends dorsally deflected.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10um
valves elliptic, linear-elliptic; narrow longitudinal canals; uniseriate straiae, easily observed in LM; central area large, orbicular.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 13, 2019

Descripción

scale bar 10 μm
valves elliptic to lanceolate, apices rounded; valve face undulated; striae not visible on LM.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10 μm
valves elliptical-clavate, headpole slightly rostrate, footpole rounded; axial area broad, raphe undulate; central area bears stigma, striae shortened on both side of central area; striae punctated.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
valves lanceolate, apices rounded to subrostrate; axial area broad; central area without striae; proximal ends and distal ends of raphe hooked in opposite direction.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
valves clavate, undulated margin; headpole broad with apiculate end, footpole rounded; central area bears stigma; raphe undulate.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
Valves lancelote, wide center, dense transapical striae. Raphe straight, proximal ends straight or slightly hooked, distal ends hooked in the same direction. Central area narrow, slightly concave.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10um
valves linear-lenceolate, slightly sigmoid. valve narrow. Raphe sigmoidal.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10 μm
Valves lanceolate, rounded apices. Central area rounded, raphe undulate. Striae biseriate (not visible on plate).

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

Scale bar 10um
Val ves linear, narrow. apices subrostrate. Central area with ghost striae. Single rimoportulae on each epic.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10um
Valves linear, very narrow, capitate apices, single rimoportulae on each end, striae parallel, narrow sternum

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
valves discoid, central area convex or concave, areolae arranged in uniseriate rows in central part of valve face and become fasciculate towards margin. Fascicles separated by costae.
Ring of spines on margin of the valve face, a small fultoportula is positioned below each spine and above the valve margin. Labiate processes located in a ring outside ring of spines

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10 μm
valves dorsiventral, lanceolate, both dorsal and ventral margin convex. ends apiculate, slightly displaced to the ventral side.
Raphe lateral, proximal ends deflect towards dorsal side, terminal ends deflect to the ventral side.
Striae punctate, areolae very coarse.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 13, 2019

Descripción

scale bar 10 μm
valves: semi to slightly lanceolate, dorsal margin strongly convex, ventral straight to slightly convex. Ends slightly displaced to the ventral side.
Central area simple, raphe simple, proximal ends curved slightly towards dorsal margin, distal ends towards ventral one. Distal ends don't reach valve margine.
Stria punctate.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 15, 2019

Descripción

scale bar 10um
Valves broadly linear, central construction, valve face undulate, undulations oriented across valve face.

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 22, 2019

Descripción

scale bar 10 μm
valves: semi-elliptical to semi-lanceolate. dorsal margin arched, ventral concave.
apices: rounded
raphe: distal and proximal ends deflected dorsally

Fotos / Sonidos

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Observ.

karolinabrylka

Fecha

Mayo 14, 2019

Descripción

scale bar 10 μm
Valve lancelote, narrow. length range between 40μm to 120μm, width range 7μm to 12μm. Apices rounded, central area rhombic.

Fuentes:: Átomo