30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA
30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA 30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA 30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA 30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA

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30553 - Well Preserved 0.93 Inch Modocia typicalis Middle Cambrian Trilobite - Utah USA

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Species
† Modocia typicalis (Resser, 1938)
Age
Middle Cambrian, Series 3, Miaolingian (~503 Million Years)
Location
House Range, Utah, U.S.A.
Formation
Lower Marjum Formation
Size
23.7 mm   •    in
Weight
32 g   •    oz
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Description
Modocia sp, Walcott 1924 (trilobite)
Trilobita - Marjumiidae
 
PaleoDB taxon number: 20728

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

See also Resser 1936 and Sepkoski 2002

Sister taxa: Armonia, Coosellidae, Holmdalia, Ithyektyphus, Marjumia, Nasocephalus, Nericella, Nericia, Pearylandia, Shickshockia, Syspacheilus

Subtaxa: Modocia integella, Modocia obscura, Modocia oweni, Modocia penfieldi

View classification

Type: Arionellus (Crepicephalus) oweni

Ecology: fast-moving low-level epifaunal carnivore

Environments: carbonate (4 collections), marine (3), shallow subtidal (2), deep subtidal ramp (2), basinal (siliciclastic) (1), (1), lagoonal (1), deep-water (1), deep subtidal shelf (1), slope (1), offshore (1), offshore shelf (1)

Age range: 505.0 to 498.5 Ma

Distribution:

• Marjumian of Greenland (9 collections), United States (7: Utah, Vermont)

• Cambrian of Canada (5: British Columbia, Yukon), China (1), Greenland (2), the Russian Federation (2), United States (17: Alaska, Pennsylvania, South Dakota, Utah, Vermont, Wyoming)
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