[地質(zhì)]足跡化石, 蹤跡化石

An Ichnofossil, U-Shaped Burrow, in Continental Deposit from the Lower Devonian Danlin Formation in Dushan County, Guizhou Province, China 貴州獨山下泥盆統(tǒng)丹林組陸相地層中的U形潛穴

Locklair,R.E.Savrda,C.E Ichnofossil tiering analysis of a rhythmically bedded chalk-marl sequence in the Upper Cretaceous of Alabama 1998 劉傳聯(lián).

Ichnofossil Paleodictyon 遺跡化石Paleodictyon