Fig. 7
From: Photic-zone euxinia had a major role in the Devonian-Carboniferous boundary mass extinction

Scenario of environmental and biological changes along with Hg cycle across the end-Devonian Hangenberg Crisis (ca. 359.3 Ma).
From: Photic-zone euxinia had a major role in the Devonian-Carboniferous boundary mass extinction
Scenario of environmental and biological changes along with Hg cycle across the end-Devonian Hangenberg Crisis (ca. 359.3 Ma).