Where: Utah (39.2° N, 113.4° W)
• Paleocoordinates: 31.3° N, 130.3° W (Wright 2013)
• coordinate based on nearby landmark
When: Bolaspidella zone, Marjum Limestone Formation, Marjumian (504.5 - 497.0 Ma)
• "Bolaspidella zone" (Marjumian; was Merioneth; PJW)
Environment/lithology: marine; limestone and shale
Size class: macrofossils
Primary reference: J. C. Rogers. 1984. Depositional environment and paleoecology of two quarry sites in the Middle Cambrian Marjum and Wheeler Formatinons, House Range, Utah. Brigham Young University Geology Studies 31:97-115 [M. Uhen/J. Ju/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 260: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC0 (CC0)
Taxonomic list
Hexactinellida | |
"Testispongia sp." = Testiispongia
"Testispongia sp." = Testiispongia Rigby 1983 glass sponge originally entered as "Testiispongia sp."
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Valospongia sp. Rigby 1971 glass sponge | |
Hintzespongia sp. Rigby and Gutschick 1976 glass sponge | |
Demospongiae | |
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Hamptonia sp. Walcott 1920 demosponge | |
Leptomitus sp. Walcott 1886 demosponge | |
Trilobita | |
Bolaspidella sp. Resser 1937 trilobite | |
Modocia sp. Walcott 1924 trilobite | |
Artiopoda | |
Agnostidae indet. M'Coy 1849 | |
Malacostraca | |
Inarticulata | |
Hyolitha | |
Hyolithes sp. d'Eichwald 1840 |