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Callaiosphaeridium
Taxonomy
Callaiosphaeridium 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 | Callaiosphaeridium 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. †Callaiosphaeridium Davey and Williams 1966
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†Callaiosphaeridium asymmetricum Clarke and Verdier 1967
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Hauterivian to the top of the Eocene or 136.40000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Hauterivian | Argentina (Neuquén) | C. asymmetricum (150584) | |
| Santonian - Campanian | Antarctica | C. asymrnetricum (150509) | |
| Eocene | USA (Missouri) | C. asymmetricum (231931) |