Pennichnus

{{Short description|Extinct species of worm}} {{Ichnobox | taxon = Pennichnus | authority = Pan et al., 2021 | subdivision = {{Species list | '''''Pennichnus formosae''''' | Pan et al., 2021}} | subdivision_ranks = Ichnospecies }}

'''''Pennichnus''''' is a ichnogenus of trace fossils produced by an extinct ambush‐predatory worm.<ref>{{cite journal | doi=10.1038/s41598-020-79311-0 | title=The 20-million-year old lair of an ambush-predatory worm preserved in northeast Taiwan | year=2021 | last1=Pan | first1=Yu-Yen | last2=Nara | first2=Masakazu | last3=Löwemark | first3=Ludvig | last4=Miguez-Salas | first4=Olmo | last5=Gunnarson | first5=Björn | last6=Iizuka | first6=Yoshiyuki | last7=Chen | first7=Tzu-Tung | last8=Dashtgard | first8=Shahin E. | journal=Scientific Reports | volume=11 | issue=1 | page=1174 | pmid=33479265 | pmc=7820589 | bibcode=2021NatSR..11.1174P | s2cid=231678601 }}</ref><ref>{{cite web|url=https://www.cbc.ca/news/science/bobbit-worm-fossil-burrows-1.5880918|title=Giant predatory worm's ancient fossil burrows discovered|website=Cbc.ca|access-date=24 June 2022}}</ref>

==References== {{Reflist}}

Category:Protostomes Category:Burrow fossils Category:Fossil taxa described in 2021