| Casterolimulus Temporal range: Late Cretaceous | |
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| Casterolimulus kletti from the Fox Hills Formation | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | Xiphosura |
| Genus: | † Casterolimulus Holland, Erickson & O'Brien, 1975 |
| Species: | †C. kletti |
| Binomial name | |
| †Casterolimulus kletti Holland, Erickson & O'Brien, 1975 | |
Casterolimulus is an extinct genus of xiphosuran. [1] It is known from the Late Cretaceous Fox Hills Formation of North America, and is believed to have lived in freshwater environments. It belongs to the family Limulidae, and is considered a close relative of Victalimulus, which is from the Early Cretaceous of Australia. [2]
