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Biomarkers
2
Chancellorida
2
Ediacaran
2
Paleontology
2
Porifera
2
Protomonaxonida
2
Reticulosa
BURGESS SHALE-TYPE
1
Burgess Shale-type
1
EXCEPTIONAL PRESERVATION
1
Exceptional Preservation
1
GLASS SPONGES
1
Glass Sponges
1
HEXACTINELLID SPONGES
1
Hexactinellid Sponges
1
NORTH GREENLAND
1
North Greenland
1
ORDOVICIAN MASS EXTINCTION
1
Ordovician Mass Extinction
1
SILICEOUS SPONGES
1
SIRIUS PASSET BIOTA
1
SOFT-BODIED FOSSILS
1
SOUTH CHINA
1
Siliceous Sponges
1
Sirius Passet Biota
1
Soft-bodied Fossils
1
South China
1
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