希若拉蟲

{{Automatic Taxobox
| taxon = Ceraurus
| fossil_range = {{fossil range|460.9|416|中奧陶紀–晚志留紀
| type_species = **多側肋希若拉蟲
Ceraurus pleurexanthemus*其化石分布於北美、英國、瑞典和中國等地。

物種

• Ceraurus (Eoceraurus)
• Ceraurus blussoni
• Ceraurus gabrielsi
• Ceraurus globulobatus
• Ceraurus hirsuitus
• Ceraurus hydei
• Ceraurus latifrons
• Ceraurus mackenziensis
• Ceraurus maewestoides
• Ceraurus matranseris
• Ceraurus milleranus

多側肋希若拉蟲 Ceraurus pleurexanthemus*

• Ceraurus ruidus
• Ceraurus serratus
• Ceraurus tuberosus
• Ceraurus whittingtoni

參考文獻

• Ludvigsen, Rolf, Fossils of Ontario: Part I: The Trilobites. Toronto: Royal Ontario Museum, 1983.

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