Liomesaspis
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Liomesaspis is an extinct genus of xiphosuran, related to the modern horseshoe crab. It lived from the late Carboniferous to the Early Permian.
Sources
- Evolution: What the Fossils Say and Why It Matters by Donald R. Prothero and Carl Buell
- Bringing Fossils To Life: An Introduction To Paleobiology by Donald R. Prothero