| Inquicus Temporal range: Early Cambrian
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|---|---|
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| Restoration of individuals on host, Cricocosmia sp. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Clade: | Gnathifera |
| Genus: | †Inquicus Cong, et al 2017 |
| Species: | †I. fellatus
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| Binomial name | |
| †Inquicus fellatus Cong, et al 2017
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Inquicus fellatus is an extinct, bowling pin-shaped gnathiferan[1] worm from the Chengjiang Biota, in what was once a marine environment from the Early Cambrian Yunnan province. Its fossils are found attached to fossils of the worms Cricocosmia and Mafangscolex in either a parasitic or commensalistic relationship.[2]
- ^ Vinther, Jakob; Parry, Luke A. (2019). "Bilateral jaw elements in Amiskwia sagittiformis bridge the morphological gap between gnathiferans and chaetognaths". Current Biology. 29 (5): 881–888.e1. Bibcode:2019CBio...29E.881V. doi:10.1016/j.cub.2019.01.052. hdl:1983/51b1b6c1-0220-4469-977f-480e847a9101. PMID 30799238.
- ^ Cong, Peiyun; Ma, Xiaoya; Williams, Mark; Siveter, David J.; Siveter, Derek J.; Gabbott, Sarah E.; Zhai, Dayou; Goral, Tomasz; Edgecombe, Gregory D.; Hou, Xianguang (2017-08-28). "Host-specific infestation in early Cambrian worms". Nature Ecology & Evolution. 1 (10): 1465–1469. Bibcode:2017NatEE...1.1465C. doi:10.1038/s41559-017-0278-4. ISSN 2397-334X. PMID 29185506.