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Tylichnus was named by Osgood (1970).

It was assigned to Ichnofossils by Hantzschel (1975).

Synonymy list
YearName and author
1970Tylichnus Osgood
1975Tylichnus Hantzschel

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genusTylichnusOsgood 1970

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 1975Weakly bilobate burrow, preserved in convex hyporelief subquadrate in cross section; showing an unusual pustulose ornamentation consisting of 3 to 9 parallel rows of transversely elongated nodes in form of zipper-like pattern; nodes may in addition be distributed randomly over surface.