Metaspriggina

Common card · No. 350620

Metaspriggina (from Greek μετά "metắ" + Spriggina) is a genus of chordate known from the Middle Cambrian of North America, including the Burgess Shale. It is considered to be one of the earliest and most primitive members of the vertebrate lineage, transitional between early chordates and later, more advanced jawless fish.

Read on Wikipedia · Image Rudy Lerosey-Aubril & Javier Ortega-Hernández, CC BY 4.0