Hattopsis is a genus of echinoid in the family Arbaciidae. It was described in 1992 from specimens in the UAE. There were 2 species described, though one was moved to another genus:[2] Hattopsis paucituberculatus (now in genus Noetlingaster as Noetlingaster monotuberculatus) and Hattopsis sphericus, both are known from the late maastrichtian.[3]
| Hattopsis Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Arbacioida |
| Family: | Arbaciidae |
| Genus: | †Hattopsis Ali, 1992[2] |
| Species: | †H. sphericus
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| Binomial name | |
| †Hattopsis sphericus Ali, 1992[1]
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References
edit- ^ "Hattopsis sphericus Ali, 1992a". Global Biodiversity Information Facility.
- ^ a b "Hattopsis Ali, 1992". Global Biodiversity Information Facility.
- ^ Ali, Mohammad Said M. (1992). "A new genus and species of regular echinoid from the Late Cretaceous of Gebel El Rowdah, Hatta area, Oman-UAE". Journal of Paleontology. 66 (4): 693–696. Bibcode:1992JPal...66..693A. doi:10.1017/S0022336000024616. S2CID 132155950.