Template:Kern, Grimmer & Lister, 1974

• Kern, J.P., Grimmer, J.C. & Lister, K.H. 1974. A new fossil spionid tube, Pliocene and Pleistocene of California and Baja California. Journal of Paleontology 48(5): 978–982. JSTOR .  
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Nomenclatural acts

New names (2)

• Helicotaphrichnus
• Helicotaphrichnus commensalis