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Polysphaeridium
Taxonomy
Polysphaeridium was named by Davey and Williams (1966). It is not extant.
It was assigned to Dinoflagellata by Davey and Williams (1966).
It was assigned to Dinoflagellata by Davey and Williams (1966).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Polysphaeridium Davey and Williams |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Polysphaeridium Davey and Williams 1966
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†Polysphaeridium subtile Davey and Williams 1966
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian - Kimmeridgian | China (Qinghai) | P. sp. (61532) | |
| Late/Upper Albian - Early/Lower Cenomanian | Israel (Southern Coastal Plain) | P. sp. 1 (144145) P. sp. 1, P. sp. 2 (144147) | |
| Late/Upper Cretaceous | India (Meghalaya) | P. subtile (224615) | |
| Middle Eocene | Colombia | P. subtile (28775 28777 28862 28863 28865 28866 29073 29074 29149 29150) | |
| Aquitanian | Azerbaijan | P. zoharyi (116623) | |
| Ionian (interglacial) | Italy (Apulia) | P. zoharyi (157640) | |
| Ionian | Italy (Apulia) | P. zoharyi (157641) | |
| Ionian - Late/Upper Pleistocene | Italy (Apulia) | P. zoharyi (157642) |