Paleontologist with 30 years’ experience, researcher of ancient Devonian fish and first tetrapods on a global scale, University of Latvia professor. Developed his dissertation on the diversity of extinct placoders in the Baltics and north-western Russia, their morphology and stratigraphic disbursement. Together with other colleagues, discovered and described the first tetrapod Ventastega curonica in Latvia’s Devonian silt, which is the third most well-known Devonian tetrapod in the world. Ervīns has participated in more than 20 paleontological expeditions in the Baltic countries and Russia, included an expedition financed by National Geographic to the Komi Republic in Russia. Author of more than 50 scientific articles and more than 100 conference reports.