Paropsonemid
| Paropsonemid Temporal range: Chengjiang–Early Devonian |
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Stem group: | Ambulacraria |
| Clade: | †Cambroernida |
| Family: | †Eldoniidae |
| Clade: | †Paropsonemida |
The paropsonemids are problematic fossils known from the Ordovician to Devonian periods, which may be related to the Cambrian eldoniids. They are typified by the Chengjiang genus Paropsonema.
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