Ceraurus is an uncommon trilobite in the MRV strata. Figure modified from Sloan, North American Ordovician Trilobites . Thoracic segments generally 11. Pygidium with long pair of axially recurved pleural spines from anterior segment. Surface tuberculation coarse.
Surface commonly tuberculate, pitted, or both.
L. Ord. - M. Dev. The classification of trilobites has undergone several revisions since the 1959 publication of Volume O of the Treatise . The classification presented here only represents a starting point for the search for further information.