A giant stem-group chaetognath

Authors: Tae-Yoon S. Park, Morten Lunde Nielsen, Luke A. Parry, Martin Vinther Sørensen, Mirinae Lee, Ji-Hoon Kihm, Inhye Ahn, Changkun Park, Giacinto de Vivo, M. Paul Smith, David A. T. Harper, Arne T. Nielsen, Jakob Vinther

Published: 2024-01-03

DOI: 10.1126/sciadv.adi6678

Source: Full article


Abstract

Chaetognaths, with their characteristic grasping spines, are the oldest known pelagic predators, found in the lowest Cambrian (Terreneuvian). Here, we describe a large stem chaetognath,