Cheloniellida
| Cheloniellida Temporal range: | |
|---|---|
| Restoration of Cheloniellon | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| (unranked): | †Artiopoda |
| (unranked): | †Vicissicaudata |
| (unranked): | †Cheloniellida Broili, 1932 |
| Genera | |
| |
Cheloniellida is a taxon (usually referred to as an order) of extinct Paleozoic arthropods. As of 2018, 7 monotypic genera of cheloniellids had been formally described, whose fossils are found in marine strata ranging from Ordovician to Devonian in age. Cheloniellida has a controversial phylogenetic position, with previous studies associated it as either a member or relative of various fossil and extant arthropod taxa. It was later accepted as a member of Vicissicaudata within Artiopoda.
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