<i>Carpatella cornuta</i>Grigorovich 1969 (Dinophyceae) — a member of the Aptiana‐Ventriosum complex

Damassa, Sarah Pierce

doi:10.1080/01916122.1988.9989342

Cited by 12 publications

(13 citation statements)

References 15 publications

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“…circularis, C. fusiformis, C. lamprota, C. scabrata, C. sinensis; observations of published photographs only), which are characterised by very faint indication of paratabulation, cannot demonstrate the configuration of the as/2'''-1'''/1c contacts (at least under LM, Fig. 2), suggested by Damassa (1988) as a distinctive generic feature.…”

Section: Discussion and Summarymentioning

confidence: 99%

“…nov. is the number of wall layers. In all existing literature dealing with the genus Carpatella (Grigorovich 1969, Stover & Evitt 1978, He Chengquan 1984, Damassa 1988, Willumsen 2004 it was presumed that the genus has only one wall layer -the autophragm. However, my observation of specimens of Carpatella rossica sp.…”

Section: Discussion and Summarymentioning

confidence: 99%

“…nov. was recorded from upper Paleocenemiddle Eocene sediments. A few morphological features of this new species were not previously observed and hence were not considered in the emendation of the then-monospecific genus Carpatella by Damassa (1988). The aims of the present study are to formally describe a new dinocyst taxon, Carpatella rossica sp.…”

mentioning

confidence: 97%

“…Subsequently, Fechner & Mohr (1986) revised the description of Carpatella based on their Eocene material from southern Marocco. The most recent emendation of the genus was given by Damassa (1988). The author considered the identification of specimens by Fechner and Mohr (1986) as uncertain (Damassa 1988: 169) and designated a neotype species for Carpatella cornuta Grigorovich 1969.…”

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confidence: 99%

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Carpatella rossica sp. nov., a new Late Paleocene–Eocene dinoflagellate species from European Russia and Ukraine

Iakovleva

2019

Acta Palaeobotanica

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Palynological study of two Paleogene core sections from the Voronezh and Rostov regions (SW Russia) and one outcrop in Ukraine revealed the presence of a new Late Paleocene–Eocene species, Carpatella rossica sp. nov. The new species is attributed to the genus Carpatella because of the presence of both apical and antapical horns. However, it is suggested that the taxon represents some features transitional between the three genera of the “Aptiana–Ventriosum complex” of Helenes (1986). Based on the observation of a thin smooth inner layer of the wall in some specimens of Carpatella rossica sp. nov., and given some morphological features of other species described after 1988, a new emendation of the genus Carpatella (Grigorovich 1969) Damassa 1988 is proposed here.

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Section: Discussion and Summarymentioning

confidence: 99%

Section: Discussion and Summarymentioning

confidence: 99%

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confidence: 97%

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confidence: 99%

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Carpatella rossica sp. nov., a new Late Paleocene–Eocene dinoflagellate species from European Russia and Ukraine

Iakovleva

2019

Acta Palaeobotanica

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“…In our material, Carpatella cornuta can be characterized by its ellipsoidal cyst composed of two wall layers that are closely appressed, the cyst wall is thick and dark in color; it has one apical and antapical horn-like protrusions and contains a precingular archeopyle [37]. At our site, C. cornuta appears in three samples of the Clayton Formation: first is in the lowermost coquinite (Sample 2b), second in a burrow located in the glauconitic mud but filled with overlying gray mud (Sample 6b), and last in the lowermost Porters Creek Formation (Sample 12).…”

Section: Carpatella Cornuta Figure 5a-cmentioning

confidence: 99%

Cretaceous-Paleogene Dinoflagellate Biostratigraphy and the Age of the Clayton Formation, Southeastern Missouri, USA

2014

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Sedimentary deposits in Stoddard County, southeastern Missouri, reveal a K-Pg transition sequence represented by the uppermost Maastrichtian Owl Creek Formation and the Paleocene Clayton Formation. The Clayton Formation is characterized by a basal fossiliferous coquinite that contains reworked late Maastrichtian macrofossils. Dinoflagellate biostratigraphy is used to determine the age of the coquinite layer and specifically whether or not it is an end-K tsunamite deposit resulting from the Chicxulub impact event. Results indicate a mixed assemblage of late Maastrichtian and early Danian dinocysts within the basal coquinite of the Clayton Formation. Maastrichtian dinocyst taxa identified are Riculacysta amplexa, Pierceites pentagonus, Phelodinium tricuspe and Dinogymnium sp. and dinocysts utilized as global indicators of the basal Danian, also present in the coquinite, consist of Senoniasphaera inornata, Carpatella cornuta, Damassadinium californicum, and Lanternosphaeridium reinhardtii. A gray mud occurring above the coquinite in the middle of the Clayton Formation contains the mid-Danian dinoflagellate Senegalinium iterlaaense. Collectively, these data suggest that the coquinite was deposited well after the K-Pg event but before the middle Danian. The mixed assemblage of Late Cretaceous and Paleocene dinocysts preserved in the coquinite weakens the hypothesis that it is an end-K tsunamite deposit and suggests instead that it may result from a long-term transgressive lag. We also extend the stratigraphic range of the Paleocene Senegalinium simplex downward into the uppermost Maastrichtian. OPEN ACCESSGeosciences 2014, 4 2

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High-Resolution Palynostratigraphy and Palynofacies of the Upper Cretaceous and K/Pg Boundary, SE Sirt Basin, Libya: A Case Study

El-Mehdawi

2022

Advances in Science, Technology &Amp; Innovation

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Carpatella cornutaGrigorovich 1969 (Dinophyceae) — a member of the Aptiana‐Ventriosum complex

Cited by 12 publications

References 15 publications

Carpatella rossica sp. nov., a new Late Paleocene–Eocene dinoflagellate species from European Russia and Ukraine

Carpatella rossica sp. nov., a new Late Paleocene–Eocene dinoflagellate species from European Russia and Ukraine

Cretaceous-Paleogene Dinoflagellate Biostratigraphy and the Age of the Clayton Formation, Southeastern Missouri, USA

High-Resolution Palynostratigraphy and Palynofacies of the Upper Cretaceous and K/Pg Boundary, SE Sirt Basin, Libya: A Case Study

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