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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Conosphaeridium
Taxonomy
Conosphaeridium was named by Cookson and Eisenack (1969).
It was assigned to Hystrichosphaeridiaceae by Cookson and Eisenack (1969).
It was assigned to Hystrichosphaeridiaceae by Cookson and Eisenack (1969).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Conosphaeridium Cookson and Eisenack p. 5 |
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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. †Conosphaeridium Cookson and Eisenack 1969
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†Conosphaeridium striatoconum Cookson and Eisenack 1969
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. C. Cookson and A. Eisenack 1969 | Shell circular in outline with a single-layered wall of varying thickness and about 20 regularly distributed conical to cylindrical, striated appendages; archeopyle circular to polygonal. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Coniacian to the top of the Early/Lower Coniacian or 89.80000 to 85.80000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian - Late/Upper Turonian | Antarctica | C. striatoconum (150206) | |
| Late/Upper Turonian - Early/Lower Coniacian | Antarctica | C. striatoconus (169324 169325 169326) | |
| Coniacian | Antarctica | C. striatoconum (150208) | |
| Coniacian - Early/Lower Santonian | Antarctica | C. striatoconus (169332 169334 169335 169337 169338 169339 169340 169341 169342 169343 169344 169346 169348 169349 169351) | |
| Santonian - Campanian | Antarctica | C. striatoconus (150509) |