Vachonisia
| Vachonisia Temporal range:
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|---|---|
| Ventral view of Vachonisia rogeri (reconstruction) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Marrellomorpha |
| Order: | †Acercostraca |
| Family: | †Vachonisiidae |
| Genus: | †Vachonisia Lehmann, 1956 |
| Species: | †V. rogeri
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| Binomial name | |
| †Vachonisia rogeri (Lehmann, 1955)
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| Synonyms | |
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Vachonisia is a Devonian marrellomorph known from the Lower Devonian Hunsrück Slate. It grows in a similar fashion to the other Hunsruck marrellomorph, Mimetaster, and is closely related to the Silurian Xylokorys. It is known from 20 specimens; its whole body is covered by a shield-like carapace.