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Radiichnus was named by Karaszewski (1973).

It was assigned to Ichnofossils by Hantzschel (1975).

Synonymy list
YearName and author
1973Radiichnus Karaszewski
1975Radiichnus Hantzschel

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genusRadiichnusKaraszewski 1973

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

W. Hantzschel 1975Starlike trace fossil preserved in convex hyporelief; 6 to 7 cm in diameter, maximum thickness (11 cm) in central region (diameter 6-10 mm) from which radiate approximately 30 ridges (1.5 mm wide, 2-4 mm in relief) grouped in “bundles”; ridges commonly bifurcate toward margins and occasionally reach margins.