| Grossius Temporal range: Middle Devonian
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|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Order: | †Onychodontiformes |
| Family: | †Onychodontidae |
| Genus: | †Grossius |
| Type species | |
| †Grossius aragonensis Schultze, 1973
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Grossius is an extinct genus of sarcopterygian fish that lived during the Devonian period of Spain. Its size was about 1 m in length.[1]