Biogeochemistry: Early animals out in the cold.
Brocks
Jochen J
JJ
Butterfield
Nicholas J
NJ
D000818:Animals; D005075:Biological Evolution; D015415:Biomarkers / Q000032:analysis / Q000737:chemistry; D002776:Cholestanes / Q000032:analysis* / Q000737:chemistry* / Q000302:isolation & purification; D005580:Fossils; D019015:Geologic Sediments / Q000737:chemistry*; D049690:History, Ancient; D011161:Porifera / Q000502:physiology*
D015415:Biomarkers; D002776:Cholestanes