@article {31649,
	title = {No evidence for expansion of global ocean euxinia during the base Stairsian mass extinction event (Tremadocian, Early Ordovician)},
	journal = {Geochimica et Cosmochimica Acta},
	volume = {341},
	year = {2023},
	pages = {116-131},
	author = {X Lu and CT Edwards and B Kendall}
}