Pourtalesiidae
Taxonavigation
| Taxonavigation: Holasterina |
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Superregnum: Eukaryota |
Familia: Pourtalesiidae
Genera: Ceratophysa – Cystocrepis – Echinocrepis – Echinosigra – †Galeaster – Helgocystis – Pourtalesia – Rictocystis – Solenocystis – Spatagocystis
Name
Pourtalesiidae A.Agassiz, 1881
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