| Timorebestia koprii Temporal range:
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|---|---|
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| 3D reconstruction of Timorebestia koprii | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| (unranked): | Spiralia |
| Clade: | Gnathifera |
| Genus: | †Timorebestia Park et al., 2024 |
| Species: | †T. koprii
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| Binomial name | |
| †Timorebestia koprii Park et al., 2024
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Timorebestia koprii is an extinct species of stem-group chaetognath (arrow worm relative) that lived about 520 million years ago, in the Cambrian. Its fossils are known from the Sirius Passet Lagerstätte in Greenland, and it was first described in 2024.[1]
- ^ Park, Tae-Yoon S.; Nielsen, Morten Lunde; Parry, Luke A.; Sørensen, Martin Vinther; Lee, Mirinae; Kihm, Ji-Hoon; Ahn, Inhye; Park, Changkun; De Vivo, Giacinto; Smith, M. Paul; Harper, David A. T.; Nielsen, Arne T.; Vinther, Jakob (2024). "A giant stem-group chaetognath". Science Advances. 10 (1): eadi6678. Bibcode:2024SciA...10I6678P. doi:10.1126/sciadv.adi6678. PMC 10796117. PMID 38170772.