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†Polyplacognathidae Bergstrom 1981
urn:lsid:organismnames.com:name:426274
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†Polyplacognathidae Bergstrom 1981
Bergstrom 1981. Treatise on invertebrate paleontology. Part W. Miscellanea. Supplement 2. Conodonta. University of Kansas, Boulder, Colorado & Geological Society of America, Lawrence, Kansas, 1981: i-xxviii, 1-202