30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia
30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia 30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia

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30561 - Extremely Rare 1.02 Inch Positive/Negative Xystridura saint-smithi Middle Cambrian Trilobite - Australia

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Species
† Xystridura saint-smithi (Chapman, 1929)
Age
Middle Cambrian, Series 3, Age 5 Templetonian Regional Stage (509 million years)
Location
Beetle Creek outlier near Mount Isa, Queensland, Australia
Formation
Beetle Creek Formation
Size
26 mm   •    in
Weight
22 g   •    oz
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Description
Xystridura, Whitehouse 1936 (trilobite)
Trilobita - Redlichiida
 
PaleoDB taxon number: 22063

Parent taxon: Xystridurinae according to P. A. Jell and J. M. Adrain 2002

See also Palmer and Gatehouse 1972 and Sepkoski 2002

Sister taxa: none

Subtaxa: Xystridura glacia, Xystridura jielingensis, Xystridura multilinia

View classification

Ecology: fast-moving low-level epifaunal deposit feeder

Environments: shallow subtidal (2 collections), open shallow subtidal (1), slope (1), offshore (1)

Age range: 513.0 to 507.0 Ma

Distribution:

• Cambrian of Antarctica (1 collection), Australia (5), China (1)
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