Source Data | |
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Rank | species (PBDB) |
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Taxonomy (PBDB) | Life : Tunyosphaeridium : Tunyosphaeridium isocalamus |
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Classification (PBDB,GBIF) | Rank | Name | Author |
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genus | Tunyosphaeridium | Davey and Williams 1966 | species | Tunyosphaeridium isocalamus | Davey and Williams 1966 |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Tunyosphaeridium isocalamus | species | belongs to Tunyosphaeridium | stated with evidence | Davey and Williams, 1966 |
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Status (PBDB) | extinct |
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Taxon Size (PBDB) | 1 |
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First Recorded Appearance | 86.3 - 72.1 Ma Late/Upper Cretaceous |
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Last Recorded Appearance | 86.3 - 72.1 Ma Late/Upper Cretaceous |
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Primary Reference (PBDB) | J. M. Keating. 1992. Palynology of the Lachman Crags Member, Santa Marta Formation (Upper Cretaceous) of north-west James Ross Island. Antartic Science 4(3):293-304 |
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