Fossil steroids record the appearance of Demospongiae during the Cryogenian period

Nature

Volumn 457, Issue 7230, 2009, Pages 718-721

  Love, Gordon D ^a,b   Grosjean, Emmanuelle ^c   Stalvies, Charlotte ^d   Fike, David A ^e   Grotzinger, John P ^e   Bradley, Alexander S ^b   Kelly, Amy E ^b   Bhatia, Maya ^b   Meredith, William ^f   Snape, Colin E ^f   Bowring, Samuel A ^b   Condon, Daniel J ^b,g   Summons, Roger E ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^c Petroleum and Marine Division   (Australia)

^d NEWCASTLE UNIVERSITY   (United Kingdom)

^e CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^f UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^g NATURAL ENVIRONMENT RESEARCH COUNCIL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

24 ISOPROPYLCHOLESTANE; 27 NORCHOLESTANE; BIOLOGICAL MARKER; CARBON; CHOLESTANE DERIVATIVE; DEUTERIUM; HOPANOID; HYDROCARBON; STEROID; STEROL; UNCLASSIFIED DRUG;

BIOMARKER; CAMBRIAN; EVOLUTIONARY BIOLOGY; FOSSIL RECORD; GEOCHRONOLOGY; GLACIATION; PROTEROZOIC; SPONGE; STEROID; STEROL;

ARTICLE; CRYOGENIAN; DESMOSPONGE; ECOSYSTEM; EVOLUTION; FOSSIL; GAS CHROMATOGRAPHY; GEOCHEMISTRY; GEOLOGY; MARINE ENVIRONMENT; MASS SPECTROMETRY; METAZOON; NONHUMAN; PRIORITY JOURNAL; ROCK; SEDIMENT; SPONGE (PORIFERA);

ANIMALS; ARABIA; BIOLOGICAL MARKERS; CHOLESTANES; EVOLUTION; FOSSILS; GAS CHROMATOGRAPHY-MASS SPECTROMETRY; GEOLOGIC SEDIMENTS; HISTORY, ANCIENT; HYDROCARBONS; ICE COVER; OCEANS AND SEAS; OXYGEN; PORIFERA; SEAWATER;

ASIA; EURASIA; MIDDLE EAST; OMAN;

ANIMALIA; BILATERIA; DEMOSPONGIAE; METAZOA;

EID: 59649113268     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature07673     Document Type: Article

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