horseshoe crab

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Synonyms for horseshoe crab

large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail

References in periodicals archive ?
Paleolimulus, an early limuline (Xiphosurida), from Pennsylvanian-Permian Lagerstatten of Kansas and taphonomic comparison with modern Limulus.
Phylogenetic and macroevolutionary patterns within the Xiphosurida. Proceedings, Third North American Paleontological Convention 1:175-180.
These can be divided into a synziphosurine stem-lineage and a crown group Xiphosurida; the latter recently shown to extend back to the Ordovician (Rudkin et al.