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Cordosphaeridium trompetum
| trompetum | |
| Cookson, I.C. and Eisenack, A. (1982) | |
| Lentin, J.K. and Williams, G.L. (1985) | |
| P_trompetum, Cookson and Eisenack, 1982, Palaeontographica, Abt. B vol.184.jpg | |
| questionably active | |
| 66 | |
| 56 | |
|
No synonyms
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