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†Protoclarkina Wardlaw & Mei 1998
urn:lsid:organismnames.com:name:1861250
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40
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†Protoclarkina Wardlaw & Mei 1998
Wardlaw & Mei 1998. A discussion of the early reported species of Clarkina (Permian Conodonta) and the possible origin of the genus. Palaeoworld, 9 1998: 33-52