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Heterosphaeridium ✝
| Source Data |
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| Rank | genus | |||||||||||||||
| Taxonomy (GBIF) | Life : Chromista : Myzozoa : Dinophyceae : Gonyaulacales : Gonyaulacaceae : Heterosphaeridium | |||||||||||||||
| Taxonomy (PBDB) | Life : Dinophyceae : Gonyaulacales : Gonyaulacaceae : Heterosphaeridium | |||||||||||||||
| Taxonomic Status (GBIF) | accepted | |||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Heterosphaeridium I.C.Cookson & A.Eisenack, 1969 | |||||||||||||||
| Name Published In | Cookson, I.C.; Eisenack, A. (1968). Microplankton from two samples from Gingin Brook No. 4 Borehole, Western Australia. Journal of the Royal Society of Western Australia. 51: 110-122. | |||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extinct | |||||||||||||||
| Taxon Size (PBDB) | 4 | |||||||||||||||
| First Recorded Appearance | 140 - 125 Ma Early/Lower Cretaceous | |||||||||||||||
| Last Recorded Appearance | 83.6 - 66.0 Ma Late/Upper Cretaceous | |||||||||||||||
| Primary Reference (PBDB) | M. E. Quattrocchio, M. A. Martínez, and A. Carpinelli Pavisich, W. Volkheimer. 2006. Early Cretaceous palynostratigraphy, palynofacies and palaeoenvironments of well sections in northeastern Tierra del Fuego, Argentina. Cretaceous Research 27:584-602 |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Heterosphaeridium conjunctum ✝ species | accepted (GBIF) listed (PBDB) | 1 | 86.3 Ma Late/Upper Cretaceous | 86.3 Ma Late/Upper Cretaceous | |
| Heterosphaeridium dificile ✝ species | accepted (GBIF) listed (PBDB) | 1 | 86.3 Ma Late/Upper Cretaceous | 86.3 Ma Late/Upper Cretaceous | |
| Heterosphaeridium heteracanthum ✝ species | accepted (GBIF) listed (PBDB) | 24 | 140 Ma Early/Lower Cretaceous | 83.6 Ma Late/Upper Cretaceous |
Synonymy List
| Year | Name and Author |
|---|---|
| 1969 | Heterosphaeridium Cookson and Eisenack |
| 1980 | Heterosphaeridium Cookson and Eisenack |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
