| Hyolithellus Temporal range:
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|---|---|
Scientific classification 
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| Kingdom: | Animalia |
| Stem group: | Annelida |
| Genus: | †Hyolithellus Billings, 1871 |
Hyolithellus is a conical tubular fossil from the Cambrian, originally considered a hyolith but since 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
References
- 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. Bibcode:2011JPal...85...37S. doi:10.1666/10-065.1. S2CID 129124366.