Cheloniellon
| Cheloniellon Temporal range: | |
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| Reconstruction of Cheloniellon calmani | |
| Scientific classification | |
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| Family: | †Cheloniellidae |
| Genus: | †Cheloniellon Broili 1932 |
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Cheloniellon is a monotypic genus of cheloniellid arthropod, known only by one species, Cheloniellon calmani, discovered from the Lower Devonian Hunsrück Slate of Germany.