Limulus
Genus of horseshoe crabs

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.
Currently valid species include:
- Limulus polyphemus (Linnaeus, 1758)
- Limulus coffini† Reeside & Harris, 1952- Pierre Shale, United States, Late Cretaceous (Maastrichtian)
Doubtful species include:
- Limulus nathorsti† Jackson, 1906- Jurassic, Sweden
Tentative species:
- "Limulus" decheni† Zinken, 1862- Paleogene, Germany (considered by some intermediate between Limulus and Tachypleus)
Sources and credits
This article is adapted from the Wikipedia article “Limulus”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- L polyphemus L darwini.png by Adrian Kin, Błażej Błażejowski, CC BY 4.0
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