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Coronocyclus
Taxonomy
Coronocyclus was named by Hay et al. (1966). It is extant.
It was assigned to Haptophyta by Hay et al. (1966); and to Coccolithaceae by Young and Bown (1997).
It was assigned to Haptophyta by Hay et al. (1966); and to Coccolithaceae by Young and Bown (1997).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Coronocyclus Hay et al. |
| 1997 | Coronocyclus Young and Bown |
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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. Coronocyclus Hay et al. 1966
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2003 | |||||
Age range: base of the Late/Upper Cretaceous to the top of the Holocene or 100.50000 to 0.00000 Ma
Collections (935 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | Indian Ocean | C. nitescens (256515) | |
| Cenozoic | Indian Ocean | C. nitescens (256516) | |
| Selandian | North Atlantic | C. nitescens (267988 267989) | |
| Ypresian | North Atlantic | C. nitescens (267978 267980 267981) | |
| Ypresian | North Pacific | C. nitescens (245726) | |
| Ypresian - Lutetian | North Atlantic | C. nitescens (266043 266044 266045 266046 266047 266048) | |
| Eocene | Indian Ocean | C. nitescens (248756) | |
| Eocene | North Pacific | C. nitescens (254121 254122 254123 254127 256344 258395) | |
| Eocene | South Pacific | C. nitescens (249170) | |
| Eocene - Oligocene | South Pacific | C. nitescens (249154 249155 249156 249157) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Early/Lower Pleistocene | Indian Ocean | C. nitescens (248604 254783 259303) | |
| Pleistocene | South Pacific | C. nitescens (243093 246666 246672 249129) | |
| Pleistocene | North Pacific | C. nitescens (257615 263085) | |
| NN17 | Indian Ocean | C. spp. (257389) | |
| NN19 | Indian Ocean | C. nitescens (248145 248151 248162 248163 251783) C. spp. (250648 251785 255412 255419 255420 257106 257108 257109 257346) C. spp., C. prionion (257114) | |
| NN19 | North Pacific | C. nitescens (256408) | |
| NN21 | North Pacific | C. nitescens (252560) | |
| NN21 | Indian Ocean | C. nitescens (248109) C. spp. (247395 247396 249570 249571 251768 257099) | |
| Late/Upper Pleistocene | South Pacific | C. nitescens (271935) | |
| Holocene | Indian Ocean | C. spp. (256727) | |