Distinguishing features:
Parent taxon (Thoracosphaeraceae): Calcareous dinoflagellates
This taxon: Wall formed of crystals with tangential c-axes (Thoracosphara s.l.)
Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
Calcigonellum | |||||
Calciodinellum Cysts with combination archaeopyle - formed from multiple plates and so with indented angular margin. | |||||
Centosphaera | |||||
![]() | Cervisiella Spherical, with circular archaeopyle, no paratabulation. Wall structure irregular with tangential c-axes. | ||||
![]() | ![]() | Fuettererella Wall structure with radial fabric but tangential c-axes ("pseudoorthopithonellid") | |||
Lebessphaera Cysts with tangential wall-structure and epicystal archaeopyles | |||||
Operculodinella Like Cervisiella but with paratabulation | |||||
Scrippsiella Cysts with tangential wall structure and compound archaeopyles. Wall formed of largish non-intelocking elements each with a spine | S. crystallina S. lachrymosa S. minima S. patagonica S. precaria S. rotunda S. sweeneyae S. trifida S. triquetracapitata S. acuminata S. regalis S. fragments S. sp. | ||||
![]() | Thoracosphaera |
Taxonomy:
Catalog entries: Tangential wall [no catalog entry yet]
Distinguishing features:
Parent taxon (Thoracosphaeraceae): Calcareous dinoflagellates
This taxon: Wall formed of crystals with tangential c-axes (Thoracosphara s.l.)
Morphology:
Size:
Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): within Carnian Stage (228.35-237.00Ma, base in Carnian stage). Data source: Total of range of species in this database
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Tangential wall compiled by Jeremy R. Young viewed: 26-5-2022
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20461 Go to Archive.is to create a permanent copy of this page - citation notes |
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