| Acinocricus Temporal range:
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|---|---|
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| Holotype specimen on display at the University of Kansas Natural History Museum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| (unranked): | Panarthropoda |
| Phylum: | †"Lobopodia" |
| Family: | †Luolishaniidae |
| Genus: | †Acinocricus Conway-Morris & Robison, 1988 |
| Species: | †A. stichus
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| Binomial name | |
| †Acinocricus stichus Conway-Morris & Robison, 1988
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Acinocricus is a genus of extinct panarthropod belonging to the group Lobopodia and known from the middle Cambrian Spence Shale of Utah, United States. As a monotypic genus, it has one species Acinocricus stichus. The only lobopodian discovered from the Spence Shale, it was described by Simon Conway Morris and Richard A. Robison in 1988.[1] Owing to the original fragmentary fossils discovered since 1982, it was initially classified as an alga, but later realised to be an animal belonging to Cambrian fauna.[2]
- ^ Conway Morris, S.; Robison, Richard A. (1988). "More soft-bodied animals and algae from the Middle Cambrian of Utah and British Columbia". University of Kansas Paleontological Contributions. 122: 1–48. ISSN 0075-5052.
- ^ Kimmig, Julien; Strotz, Luke C.; Kimmig, Sara R.; Egenhoff, Sven O.; Lieberman, Bruce S. (2019). "The Spence Shale Lagerstätte: an important window into Cambrian biodiversity" (PDF). Journal of the Geological Society. 176 (4): 609–619. Bibcode:2019JGSoc.176..609K. doi:10.1144/jgs2018-195.