30424 - Well Preserved 0.31 Inch Peronopsis interstrictus Middle Cambrian Trilobite - Utah USA
30424 - Well Preserved 0.31 Inch Peronopsis interstrictus Middle Cambrian Trilobite - Utah USA 30424 - Well Preserved 0.31 Inch Peronopsis interstrictus Middle Cambrian Trilobite - Utah USA 30424 - Well Preserved 0.31 Inch Peronopsis interstrictus Middle Cambrian Trilobite - Utah USA

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30424 - Well Preserved 0.31 Inch Peronopsis interstrictus Middle Cambrian Trilobite - Utah USA

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Species
† Peronopsis interstrictus (White, 1874)
Age
Middle Cambrian,(~509 Million Years)
Location
Millard County, Utah, USA
Formation
Wheeler Shale Formation
Size
8 mm   •    in
Weight
8 g   •    oz
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Description
Peronopsis, Corda 1847 (trilobite)
Trilobita - Agnostida - Peronopsidae
 
PaleoDB taxon number: 19293

Synonym: Itagnostus Opik 1979 (taxon 19247)

Parent taxon: Peronopsidae according to H. B. Whittington et al. 1997

See also Henningsmoen 1952, Jell and Adrain 2002, Palmer and Gatehouse 1972, Palmer and Halley 1979, Robison 1995 and Sepkoski 2002

Sister taxa: Archaeagnostus, Diplorrhina, Peronopseinae, Peronopsella, Phalacrominae, Svenax

Subtaxa: Peronopsis (Armagnostus), Peronopsis acadica, Peronopsis amplaxis, Peronopsis angustilimbatus, Peronopsis bilobus, Peronopsis bonnerensis, Peronopsis bulkurensis, Peronopsis curtus, Peronopsis cylindrica, Peronopsis elkedraensis, Peronopsis elongatus, Peronopsis fallax, Peronopsis gaspensis, Peronopsis guoleensis, Peronopsis inarmata, Peronopsis integer, Peronopsis integra, Peronopsis intermedius, Peronopsis laiwuensis, Peronopsis ozakii, Peronopsis prodigialis, Peronopsis pseudointerstrictus, Peronopsis shandongensis, Peronopsis taitzuhoensis, Peronopsis ultimus, Peronopsis xichuanensis

View classification

Type: Axagnostus fallax

Ecology: slow-moving epifaunal detritivore

Environments: marine (20 collections), carbonate (11), slope (11), offshore shelf (10), shallow subtidal (7), offshore (6), basinal (carbonate) (5), deep subtidal shelf (4), (2), deep-water (2), reef, buildup or bioherm (2), offshore ramp (2), deep subtidal (1), coastal (1), shoreface (1), open shallow subtidal (1)

Age range: 513.0 to 498.5 Ma

Distribution:

• Ayusokkanian of Kazakhstan (8 collections)

• Marjumian of Canada (4: Newfoundland and Labrador), Greenland (5), United States (13: Georgia, South Carolina, Utah)

• Cambrian of Antarctica (1), Argentina (1), Australia (3), Canada (32: Alberta-British Columbia, Brithish Columbia, British Columbia, New Brunswick, Newfoundland and Labrador, Yukon and Northwest Territories), China (21), the Czech Republic (8), Denmark (3), France (1), Greenland (2), India (6), Iran (1), Italy (1), Kazakhstan (17), Mexico (1), Morocco (1), Norway (3), Poland (1), the Russian Federation (3), Spain (5), Turkey (4), the United Kingdom (3), United States (49: Alaska, California-Nevada, Montana, Nevada, Nevada and California, New York, Pennsylvania, Utah, Vermont)
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