The Cambrian fossil Pikaia, and the origin of chordate somites

T Lacalli - EvoDevo, 2024 - Springer
Abstract The Middle Cambrian fossil Pikaia has a regular series of vertical bands that,
assuming chordate affinities, can be interpreted as septa positioned between serial …

expression in develo** hemichordates gives insights into

A Pérez-Posada, JJ Tena - Nature, 2024 - nature.com
Hemichordates hold a key position in the animal tree of life that makes them a useful
organism for genetic studies that compare the evolutionary mechanisms behind different …