Tag Archive for 'Arthrodira'

Reconstruction of the largest known specimen of Dunkleosteus terrelli, compared to one of the largest reliably measured specimens of Carcharodon carcharias; a 1.75-m-tall human for scale. Image credit: Russell Engelman, doi: 10.3390/d15030318 / Sci.News.

Earth’s First Vertebrate Superpredator Was Shorter and Stouter than Previously Thought

Mar 13, 2023 by News Staff

Dunkleosteus terrelli, an armor-plated fish that lived in the shallow subtropical waters of the Devonian period, about 360 million years ago, is one of...

Reconstruction of a Devonian arthrodire placoderm. Image credit: Trinajstic et al., oi: 10.1126/science.abf3289.

380-Million-Year-Old Mineralized Organs Reveal Insights into Early Evolution of Jawed Vertebrates

Sep 16, 2022 by News Staff

Paleontologists from Curtin University and elsewhere have studied a three-dimensionally mineralized heart (the oldest ever found), stomach, intestine and...