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Fossil group | Taxon | Parent taxon | Occurrence based on | |
---|---|---|---|---|
Echinodermata | Ristnacrinus svedasensis Hynda et Saladzhyus 1988 | Ristnacrinus | collection specimen | |
Echinodermata | Ristnacrinus svedasensis Hynda et Saladzhyus 1988 | Ristnacrinus | reference |
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