Below, you see a list with possible ichnogenera for an unlined, passively filled, (sub)horizontal, unbranched burrow with a radial morphology. Click on them to get detailed descriptions of the ichnogenus and a list of its ichnospecies. (Please allow for pop-up windows):
- Capodistria
- Fascisichnium
- Lorenzinia (Ichnogenus may also occur as surface trace (track, trail, impression, etc.))
- Volkichnium (Usually branched, but may be unbranched)
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