Limulus
Limulus is a genus of horseshoe crab, with one extant species, the Atlantic horseshoe crab (Limulus polyphemus). One fossil species is currently assigned to the genus though several other species have been named, which have since been assigned to other genera.
| Limulus Temporal range: | |
|---|---|
 | |
| Modern L. polyphemus compared to the very similar Jurassic Crenatolimulus darwini | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | Xiphosura |
| Family: | Limulidae |
| Genus: | Limulus O. F. Müller, 1785 |
| Type species | |
| Limulus polyphemus | |
| Synonyms | |
| |
Currently valid species include:[1]
- Limulus polyphemus (Linnaeus, 1758)
- Limulus coffini† Reeside & Harris, 1952- Pierre Shale, United States, Late Cretaceous (Maastrichtian)
Doubtful species include:[2]
Tentative species:[2]
- "Limulus" decheni† Zinken, 1862- Paleogene, Germany (considered by some intermediate between Limulus and Tachypleus)[2]
References
- Bicknell, Russell D. C.; Błażejowski, Błażej; Wings, Oliver; Hitij, Tomaž; Botton, Mark L. (2021-03-02). Zhang, Xi‐Guang (ed.). "Critical re‐evaluation of Limulidae uncovers limited Limulus diversity". Papers in Palaeontology. 7 (3): 1525–1556. doi:10.1002/spp2.1352. ISSN 2056-2799. S2CID 233783546.
- Dunlop, J. A., Penney, D. & Jekel, D. 2013. A summary list of fossil spiders and their relatives. In Platnick, N. I. (ed.) The world spider catalog, version 14.0 American Museum of Natural History, online at http://research.amnh.org/entomology/spiders/catalog/index.html
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