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Exochosphaeridium ✝
Source Data |
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Rank | genus (PBDB) | |||||||||||||||
Taxonomy (PBDB) | Life : Dinophyceae : Exochosphaeridium | |||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extinct | |||||||||||||||
Taxon Size (PBDB) | 8 | |||||||||||||||
First Recorded Appearance | 136 - 130 Ma Early/Lower Cretaceous | |||||||||||||||
Last Recorded Appearance | 83.5 - 70.6 Ma Late/Upper Cretaceous | |||||||||||||||
Primary Reference (PBDB) | P. J. D. Dolding. 1992. Palynology of the Marambio Group (Upper Cretaceous) of northern Humps Island. Antartic Science 4(3):311-326 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Exochosphaeridium arnace ✝ species | listed (PBDB) | ||||
Exochosphaeridium bifidum ✝ species | listed (PBDB) | 1 | 136 Ma Early/Lower Cretaceous | 136 Ma Early/Lower Cretaceous | |
Exochosphaeridium muelleri ✝ species | listed (PBDB) | ||||
Exochosphaeridium phragmites ✝ species | listed (PBDB) | 2 | 136 Ma Early/Lower Cretaceous | 86.3 Ma Late/Upper Cretaceous | |
Exochosphaeridium robustum ✝ species | listed (PBDB) | ||||
Exochosphaeridium sciutum ✝ species | listed (PBDB) | ||||
Exochosphaeridium truncatum ✝ species | listed (PBDB) |
Synonymy List
Year | Name and Author |
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1966 | Exochosphaeridium Davey |
1976 | Exochosphaeridium Davey |
References
Dolding P. J. D. (1992) Palynology of the Marambio Group (Upper Cretaceous) of northern Humps Island, Antartic Science 4 3, 311-326 |
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!