Tag Archive for 'Ctenophora'

Illustration of a DNA molecule. Image credit: Christoph Bock, Max Planck Institute for Informatics / CC BY-SA 3.0.

Long-Distance Gene Control Appeared Over 650 Million Years Ago, Study Suggests

May 7, 2025 by News Staff

Distal regulation — the ability to control genes from far away, over many tens of thousands of DNA letters — appeared at the very dawn of animal...

While maintaining a population of Mnemiopsis leidyi in a seawater tank, Jokura et al. noticed an atypically large individual with two aboral ends and two apical organs. Image credit: Jokura et al., doi: 10.1016/j.cub.2024.07.084.

Two Injured Comb Jellies Can Fuse into Single Entity, Scientists Discover

Oct 7, 2024 by News Staff

Two injured individuals of Mnemiopsis leidyi, a species of planktonic animals known as comb jellies or ctenophores, are capable of rapidly fusing into...

An artist’s reconstruction of Ctenorhabdotus campanelliformis (top) and Thalassostaphylos elegans (bottom). Image credit: Holly Sullivan.

Cambrian Comb Jellies Had More Complex Neuroanatomy than Living Species

Aug 23, 2021 by News Staff

Paleontologists have described two new species from the Cambrian period of Utah, which illuminate the early evolution of nervous and sensory features in...