Dinocyst genus discorsia: A reinterpretation

Dinocyst genus discorsia: A reinterpretation

The dinoflagellate cyst genus Discorsia Duxbury and its type species Discorsia nanna (Davey) Duxbury are emended. The morphological reinterpretation of the genus is proposed on the basis of new material from core samples of an exploratory bore hole drilled at Puduvoyal, Tamil Nadu, southern India, a...

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Veröffentlicht in:Palynology 1985, Vol.9 (1), p.95-103
Hauptverfasser: Khowaja-Ateequzzaman, Jain, K.P., Manum, S.B.
Format: Artikel
Sprache:eng
Schlagworte:
Albian age
Barremian age
Coordinate systems
Cysts
Geological surveys
Geology
Holotypes
Magnification
Palynology
Photomicrographs
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Zusammenfassung:The dinoflagellate cyst genus Discorsia Duxbury and its type species Discorsia nanna (Davey) Duxbury are emended. The morphological reinterpretation of the genus is proposed on the basis of new material from core samples of an exploratory bore hole drilled at Puduvoyal, Tamil Nadu, southern India, as well as on re-examination of the holotype. The Discorsia cysts are interpreted as gonyaulacacean possessing a four plate apical archeopyle (tA). The redefined paratabulation of the genus as indicated by intratabular processes is 4', 6?, (as), Oc, 5-6?', ps, 1p, 1??.
ISSN:0191-6122
1558-9188
DOI:10.1080/01916122.1985.9989290