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Journal Article

A New Record of Acanthomorphic Acritarch Tappania Yin from the Early Mesoproterozoic Saraipali Formation, Singhora Group, Chhattisgarh Supergroup, India and its Biostratigraphic Significance

Veeru Kant Singh, Mukund Sharma, Vladimir N. Sergeev
Published: 01 November 2019
Jour. Geol. Soc. India (2019) 94 (5): 471–479.
DOI: https://doi.org/10.1007/s12594-019-1343-1
...Veeru Kant Singh; Mukund Sharma; Vladimir N. Sergeev ABSTRACT In the present paper, well-preserved specimens of taxonomically distinctive Proterozoic eukaryotic fossil Tappania Yin are recorded for the first time from the rocks of the Saraipali Formation of the Singhora Group, Chhattisgarh...
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View PDF for article title, A New Record of Acanthomorphic Acritarch <span class="search-highlight">Tappania</span> Yin from the Early Mesoproterozoic Saraipali Formation, Singhora Group, Chhattisgarh Supergroup, India and its Biostratigraphic Significance
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Journal Article

Stratigraphic setting and age of the complex Tappania -bearing Proterozoic fossil biota of Siberia

K.E. Nagovitsin, A.M. Stanevich, T.A. Kornilova
Published: 01 November 2010
Russ. Geol. Geophys. (2010) 51 (11): 1192–1198.
DOI: https://doi.org/10.1016/j.rgg.2010.10.004
... complex protists Tappania plana Yin; acritarchs Valeria lophostriata Jank., Satka sp., Lophosphaeridium sp., Pulvinosphaeridium sp., and Miroedichia sp.; porous vesicles of Tasmanites sp. and Osculosphaera sp.; vesicles with anastomosing processes, and spiral filaments of Obruchevella and Glomovertella...
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View PDF for article title, Stratigraphic setting and age of the complex <span class="search-highlight">Tappania</span> -bearing Proterozoic fossil biota of Siberia
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Figure 3. Details of Tappania sp. A, Knoblike Tappania-phase process (detail of Fig 1I). B, Knoblike Germinosphaera-phase process (detail of Fig. 7B). C, Secondarily fused Germinosphaera-phase processes (detail of Fig. 7Q). D, Germinosphaera-phase processes with basal septa (detail of Fig. 7J). E, Germinosphaera-phase outgrowth of a Tappania-phase vesicle (detail of Fig. 2D)

Figure 3. Details of Tappania sp. A, Knoblike Tappania -phase process (...

Published: 01 January 2005
Figure 3. Details of Tappania sp. A, Knoblike Tappania -phase process (detail of Fig 1I ). B, Knoblike Germinosphaera -phase process (detail of Fig. 7B ). C, Secondarily fused Germinosphaera -phase processes (detail of Fig. 7Q ). D, Germinosphaera -phase processes with basal septa (detail
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Figure 2. Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41240 (KL2-40m-Q43); see Figures 4E,F and 5 for details. B, X.41241 (KL2-56m-L60), with two pronounced longitudinal outgrowths from the vesicle (now flattened), plus a smaller circular ridge (lower left). C, X.41242 (VI23-4m-S60); an isolated secondary vesicle of Tappania showing the characteristic irregular extensions and branches (cf. Fig. 2D). D, X.41243 (VI21-4m-U59); a large irregular specimen of Tappania bearing a contiguous Germinosphaera-like outgrowth; the two penetrative foramen, indicated by the box (see Fig. 3E) and arrow, are a product of secondary fusion. The loop-forming marginal process at the center left identifies this specimen as Tappania

Figure 2.  Tappania sp. from the Wynniatt Formation. Specimens with Sedgw...

Published: 01 January 2005
Figure 2.  Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41240 (KL2-40m-Q43); see Figures 4E,F and 5 for details. B, X.41241 (KL2-56m-L60), with two pronounced
Journal Article

Probable Proterozoic fungi

Nicholas J. Butterfield
Journal: Paleobiology
Published: 01 January 2005
Paleobiology (2005) 31 (1): 165–182.
DOI: https://doi.org/10.1666/0094-8373(2005)031<0165:PPF>2.0.CO;2
...Figure 3. Details of Tappania sp. A, Knoblike Tappania -phase process (detail of Fig 1I ). B, Knoblike Germinosphaera -phase process (detail of Fig. 7B ). C, Secondarily fused Germinosphaera -phase processes (detail of Fig. 7Q ). D, Germinosphaera -phase processes with basal septa (detail...
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Journal Article

A Laurentian record of the earliest fossil eukaryotes

Zachary R. Adam, Mark L. Skidmore, David W. Mogk, Nicholas J. Butterfield
Journal: Geology
Published: 01 May 2017
Geology (2017) 45 (5): 387–390.
DOI: https://doi.org/10.1130/G38749.1
..., the principal constituents of this Tappania - Dictyosphaera - Valeria assemblage have not hitherto been recognized on Laurentia. We have recovered all three taxa from a shallow-water shale succession in the early Mesoproterozoic Greyson Formation (Belt Supergroup, Montana, USA). An exceptionally preserved...
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Eukaryotic diversity of contemporaneous successions of late Paleoproterozoi...

Published: 01 November 2021
anulare Germinosphaera alveolata Tappania plana Pterospermospimorpha insolita Pterospermospimorpha insolita Spiromorpha segmentata Germinosphaera bispinosa Pterospermospimorpha saccata Yin, 1987 Simia anulare Tappania plana Lineaforma elongata
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Microfossils from the Yurubchen (1, 3, 4, 6, 7, 11), Dzhelindukon (2, 5, 10, 12–14), and Vedreshe (8, 9) Formations: 1, 2, Tappania plana Yin; 3, 4, Pulvinosphaeridium sp.; 5, Satka sp.; 6, Tappania tubata Yin; 7, Miroedichia sp.; 8, 9, Tasmanites sp.: 9, enlarged porous fragment; 10, Valeria elongata Nagovitsin; 11, Valeria lophostriata Jank.; 12, 13, fine (~0.3 m) anastomosing filaments enwrapping a thin-walled spherical vesicle: 13, enlarged fragment; 14, fine, dichotomously branching filaments without cellular structure.

Microfossils from the Yurubchen (1, 3, 4, 6, 7, 11), Dzhelindukon (2, 5, 10...

Published: 01 November 2010
Fig. 2. Microfossils from the Yurubchen (1, 3, 4, 6, 7, 11), Dzhelindukon (2, 5, 10, 12–14), and Vedreshe (8, 9) Formations: 1, 2, Tappania plana Yin; 3, 4, Pulvinosphaeridium sp.; 5, Satka sp.; 6, Tappania tubata Yin; 7, Miroedichia sp.; 8, 9, Tasmanites sp.: 9, enlarged porous
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Figure 5. Plan views of anastomosing septate Tappania sp. processes. Details of Figure 2A

Figure 5. Plan views of anastomosing septate Tappania sp. processes. Det...

Published: 01 January 2005
Figure 5. Plan views of anastomosing septate Tappania sp. processes. Details of Figure 2A
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(1) Lineaforma elongata, 76517-f28. (2, 3) Tappania? sp.: (2) 76553-o30; (3) 76515-o58. (4–10) Germinosphaera alveolata emend.: (4) 76091-n29,3; (5) 76522-r59; (6) 76804-n37; (7) 76092-h45, 3; (8–10) DLFC-25; SEMs show the wall structure of the microfossils, made of overlapping polygonal scale-like plates (arrows in (9) and (10)). (1–7) Taken under a plane-polarized, transmitted light; (1, 3–10) are from sample HB07-41A 183 m; (2) is from sample HB07-41A 232 m. Scale bar in (5) = 2 μm for (9, 10), 5 μm for (8), 20 μm for (4–7), and 30 μm for (1–3).

( 1 ) Lineaforma elongata , 76517-f28. ( 2, 3 ) Tappania ? sp.: ( 2 ) 765...

Published: 01 November 2021
Figure 7. ( 1 ) Lineaforma elongata , 76517-f28. ( 2, 3 ) Tappania ? sp.: ( 2 ) 76553-o30; ( 3 ) 76515-o58. ( 4–10 ) Germinosphaera alveolata emend.: ( 4 ) 76091-n29,3; ( 5 ) 76522-r59; ( 6 ) 76804-n37; ( 7 ) 76092-h45, 3; ( 8–10 ) DLFC-25; SEMs show the wall structure of the microfossils
Journal Article

Micropaleontology of the lower Mesoproterozoic Roper Group, Australia, and implications for early eukaryotic evolution

Emmanuelle J. Javaux, Andrew H. Knoll
Published: 22 December 2016
Journal of Paleontology (2017) 91 (2): 199–229.
DOI: https://doi.org/10.1017/jpa.2016.124
... ( Dictyosphaera delicata , Satka favosa , and Valeria lophostriata ), one acanthomorphic acritarch ( Tappania plana ), and one population of large striated tubes ( Lineaforma elongata ). Nine additional taxa are considered possible eukaryotes (six smooth-walled spheromorphs...
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View PDF for article title, Micropaleontology of the lower Mesoproterozoic Roper Group, Australia, and implications for early eukaryotic evolution
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Organic-Walled microfossil Tappania plana Yin from the Saraipali Shale (a – l): a. specimen showing tubular spine with bulbous protrusion (Slide no. BSIP 16422, England Finder No. J28/4); b. specimens having spines with rounded tip (Slide No. BSIP 16423, England Finder No. H37/1); c. specimen having spine flared at tip and neck like protrusion (Slide No. BSIP 16423, England Finder No. G58/1); d. spines having hair like processes (Slide No. BSIP 16424, England Finder No. F33/4); e. specimen having cylindrical spines tapering at tip (Slide No. BSIP 16425, England Finder No. O15/1); f. specimen having tubular spines with funnel like characters and rounded tip at tip (Slide No. BSIP 16422, England Finder No. M39/4); g. specimen having very short processes with rounded tip (Slide No. BSIP 16422, England Finder No. W42/3); h. specimen having long cylindrical spines (Slide No. BSIP 16426, England Finder No. L33/2); i. specimen having long cylindrical spines (Slide No. BSIP 16422, England Finder No. Y52); j. specimen having short cylindrical spines (Slide No. BSIP 16427, England Finder No. T53/4); k. specimen having cylindrical spines with funnel like characters at the end (Slide No. BSIP 16425, England Finder No. L17/3); l. specimen having comparatively thin long process with funnel like characters at end Slide No. BSIP 16428, England Finder No. N49/3). Scale bar for each specimen = 25 μm. Arrows indicating prominent processes in each specimen.

Organic-Walled microfossil Tappania plana Yin from the Saraipali Shale ( ...

Published: 01 November 2019
Fig. 3. Organic-Walled microfossil Tappania plana Yin from the Saraipali Shale ( a – l ): a. specimen showing tubular spine with bulbous protrusion (Slide no. BSIP 16422, England Finder No. J28/4); b. specimens having spines with rounded tip (Slide No. BSIP 16423, England Finder No. H37/1
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Processes arrangement in Organic-Walled microfossil Tappania plana Yin from the Saraipali Shale: a. thick tubular spine flaired at tip (Slide No. BSIP 16423, England Finder No. G58/1); b. prominent sharp and bifurcated spines (Slide No. BSIP 16429, England Finder No. D43/3); c. long cylindrical spines (Slide No. BSIP 16426, England Finder No. L33/2); d. long and thick bifurcated and trifurcated spines (Slide No. BSIP 16429, England Finder No. S50/1); e. thin almost straight hairy process (Slide No. BSIP 16424, England Finder No. F33/4); f. cylindrical spines with funnel like characters at the end (Slide No. BSIP 16425, England Finder No. L17/3). Scale bar for each specimen = 25 μm. Arrows indicating prominent processes in each specimen.

Processes arrangement in Organic-Walled microfossil Tappania plana Yin fr...

Published: 01 November 2019
Fig. 4. Processes arrangement in Organic-Walled microfossil Tappania plana Yin from the Saraipali Shale: a. thick tubular spine flaired at tip (Slide No. BSIP 16423, England Finder No. G58/1); b. prominent sharp and bifurcated spines (Slide No. BSIP 16429, England Finder No. D43/3); c
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Confocal laser Scanning Image of Tappania plana (Slide no. BSIP 16422, England Finder No. J28/4). a. Light Microscopy image; b, c. confocal image of both side of specimen front (b) and back (c) showing granular surface; d. high magnification of vesicle surface show juvenile stage of processes.

Confocal laser Scanning Image of Tappania plana (Slide no. BSIP 16422, En...

Published: 01 November 2019
Fig. 5. Confocal laser Scanning Image of Tappania plana (Slide no. BSIP 16422, England Finder No. J28/4). a. Light Microscopy image; b, c. confocal image of both side of specimen front (b) and back (c) showing granular surface; d. high magnification of vesicle surface show juvenile stage
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Raman spectra of Tappania plana (Slide no. BSIP 16422, England Finder No. J28/4) showing prominent G (1599 cm-1) and D (1349 cm-1) band of carbon at different point (encircled). Spectra in red color (specimen) and blue color (from Raman Library).

Raman spectra of Tappania plana (Slide no. BSIP 16422, England Finder No....

Published: 01 November 2019
Fig. 6. Raman spectra of Tappania plana (Slide no. BSIP 16422, England Finder No. J28/4) showing prominent G (1599 cm -1 ) and D (1349 cm -1 ) band of carbon at different point (encircled). Spectra in red color (specimen) and blue color (from Raman Library).
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Eukaryotic Tappania plana from the Greyson Formation (Montana, USA), showing variably branched processes (B, E, H–J), terminally flared processes (A, B, D, G, H), hemispherically polarized processes (B, D, E, H–J), septate processes (F), tubular outgrowth comparable to T. tubata (J), and an outer wall capable of independent process formation (blue arrows in A, B, G). Scale bar applies to all images.

Eukaryotic Tappania plana from the Greyson Formation (Montana, USA), show...

Published: 01 May 2017
Figure 4. Eukaryotic Tappania plana from the Greyson Formation (Montana, USA), showing variably branched processes (B, E, H–J), terminally flared processes (A, B, D, G, H), hemispherically polarized processes (B, D, E, H–J), septate processes (F), tubular outgrowth comparable to T. tubata (J
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Figure 6

Photographs of Roper organic-walled microfossils: ( 1–15 ) Tappania plana ...

Published: 22 December 2016
Figure 6 Photographs of Roper organic-walled microfossils: ( 1–15 ) Tappania plana : arrow in ( 1 ) showing furcating process, arrows in ( 2–4 ) showing septae in processes, ( 3 ) showing details from specimen in ( 2 ), arrow in ( 11 ) showing
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Figure 1. Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41224 (KL2-50m-M49), with a large outgrowth from the vesicle (now flattened). B, X.41225 (VI23-5m-J39). C, X.41226 (KL2-40m-R55). D, X.41227 (KL2-58m-J55), with a single elongated process penetrating the associated leiosphaerid. E, X.41228 (KL2-56m-Q50). F, X.41229 (KL2-14m-P55); see Figure 4G for detail. G, X.41230 (VI23-23m-N35), with conspicuously narrow (0.3 μm diameter) processes. H, X.41231 (KL2-13m-T54), with marked similarities to the type material of Tappania; the distal portions of the processes have been secondarily lost. I, X.41232 (KL2-49m-K50); see Figures 3B, 4C,D for details. J, X.41233 (KL2-15m-H47). K, X.41234 (KL2-4m-O48); see Figure 4B for detail. L, X.41235 (KL2-50m-P57), with processes merging gradually with the vesicle wall; distal portions of the processes have been secondarily lost. M, X.41236 (KL2-49m-L60), with a smaller vesicle suspended within the anastomosing processes; see Figure 4H for detail. N, X.41237 (VI21-5m-J60); see Figure 4A for detail. O, X.41238 (VI21-5m-O64), with marked similarities to the type material of Tappania. P, X.41239 (KL2-9m-Q47)

Figure 1.  Tappania sp. from the Wynniatt Formation. Specimens with Sedgw...

Published: 01 January 2005
Figure 1.  Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41224 (KL2-50m-M49), with a large outgrowth from the vesicle (now flattened). B, X.41225 (VI23-5m-J39). C, X
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Figure 4. Details of Tappania sp. processes. A, Nonseptate processes showing secondary fusion with the vesicle (detail of Fig. 1N). B, Recently germinated branching and nonbranching septate processes; note the relatively closely spaced septa (detail of Fig. 1K). C, Intersection of branched/anastomosed processes with a developing bud and oblique intersecting septa (detail of Fig. 1I). D, Hollow, branched, septate processes with open connection to the vesicle lumen; note also the inflated process intersection (lower right) and the newly germinated process (upper right) (detail of Fig. 1I). E, Multiply branched anastomosing processes with both transverse and oblique/intersecting septa (detail of Fig. 2A). F, Multiply branched anastomosing processes with secondary fusion both to itself and the vesicle; note also, transverse and oblique septa, including basal septa (detail of Fig. 2A). G, Multiply branched anastomosing processes with basal transverse septa; note the differing process diameter (detail of Fig. 1F). H, External secondary vesicle suspended within a network of anastomosing processes; note the broad-based, secondarily fused outgrowth (upper left) (detail of Fig. 1M)

Figure 4. Details of Tappania sp. processes. A, Nonseptate processes sho...

Published: 01 January 2005
Figure 4. Details of Tappania sp. processes. A, Nonseptate processes showing secondary fusion with the vesicle (detail of Fig. 1N ). B, Recently germinated branching and nonbranching septate processes; note the relatively closely spaced septa (detail of Fig. 1K ). C, Intersection of branched
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Figure 6. Ontogenetic and taphonomic variants of Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41244 (KL2-54m-U46); evenly distributed network of anastomosing processes. B, X.41245 (KL2-3m-K36); partial exfoliation of anastomosing process network. C, X.41246 (VI21-12m-K64), with distal processes secondarily lost. D, X.41247 (KL2-57m-K51), with disrupted anastomosing process network; central vesicle obscured. E, X.41248 (VI21-3m-R39), with multiple layers of anastomosing processes; central vesicle obscured. F, X.41249 (KL2-60m-K49); partially degraded specimen. G, X.41250 (KL2-57m-N43), with partial exfoliation of anastomosing process network. H, X.41251 (KL2-40m-O39), with distal processes secondarily lost

Figure 6. Ontogenetic and taphonomic variants of Tappania sp. from the W...

Published: 01 January 2005
Figure 6. Ontogenetic and taphonomic variants of Tappania sp. from the Wynniatt Formation. Specimens with Sedgwick Museum (CAMSM) acquisition numbers (plus field-sample ID, slide number, and England Finder coordinates). A, X.41244 (KL2-54m-U46); evenly distributed network of anastomosing