| Undichna simplicitas Temporal range: Upper Carboniferous – ? | |
|---|---|
Trace fossil classification  | |
| Ichnogenus: | † Undichna |
| Ichnospecies: | † Undichna simplicitas |
| Binomial name | |
| †Undichna simplicitas Anderson, 1976 | |
Undichna simplicitas is a fish-fin, or fish-swimming fossil trackway left as a fossil impression on a substrate; this type of fossil is an ichnofossil, and in this case an ichnospecies. The ichnogenus for the fish-fin, or fish tracks is named Undichna .
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Fossil trackways of Undichna simplicitas have been found in Alabama, USA, in the Pottsville Form, (Westphalian A, Upper Carboniferous, coal mine and tailings); also Indiana, Kansas, and Spain, (El Montsec and Las Hoyas).
