Xiphosura

Full reference: J. C. Lamsdell. 2025. The first Silurian horseshoe crab reveals details of the xiphosuran ground plan. Proceedings of the Royal Society B: Biological Sciences 292(20250874)

Parent taxon: Xiphosura according to J. C. Lamsdell 2025

Sister taxa: Kasibelinuridae, Maldybulakia, Micrichnus, Patesia, Willwerathia, Xiphosurida, Borchgrevingkium, Sinaglaspis, Gdowia

Subtaxa: Ciurcalimulus discobolus

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Type: Ciurcalimulus discobolus

Ecology: nektobenthic carnivore

Distribution: found only at Martin Marietta Kokomo Stone quarry (Silurian of Indiana)

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Specimen images are retrieved through the ePANDDA API.