Hyolithellus
| Hyolithellus Temporal range: Lower Cambrian – Middle Cambrian[1] | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Stem-group: | Annelida |
| Genus: | †Hyolithellus Billings, 1871 |
Hyolithellus is a conical tubular fossil from the Cambrian, originally considered a hyolith but since has been reinterpreted (tentatively) as an annelid worm.[1]
Its circular, thin (15–150 μm), originally phosphatic tube gets wider along its long, undulating, annulated length.[1]
References
- 1 2 3 Christian B. Skovsted & John S. Peel (2011). "Hyolithellus in life position from the Lower Cambrian of North Greenland". Journal of Paleontology. 85 (1): 37–47. doi:10.1666/10-065.1.
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