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Ixalichnus Callison 1970
urn:lsid:organismnames.com:name:2328746
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Ixalichnus Callison 1970
Callison 1970. Trace fossils of trilobites from the Deadwood Formation (Upper Cambrian) of western South Dakota. Bull. Sth. Calif. Acad. Sci. 69, (1) 1970: 20-26