Also known as Orthambonites decipiens association
Where: Inyo County, California (36.9° N, 118.1° W: paleocoordinates 5.9° S, 84.8° W)
• coordinate estimated from map
When: Upper Member (Barrel Spring Formation), Middle Ordovician (470.0 - 458.4 Ma)
• "early to mid M. Ord."
Environment/lithology: offshore; shale
Size class: macrofossils
Primary reference: W. B. N. Berry, D. A. Lawson, and E. S. Yancey. 1979. Species diversity patterns in some middle Ordovician communities from California-Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 26:99-116 [M. Uhen/J. Ju/J. Ju]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 424: authorized by Jack Sepkoski, entered by Mike Sommers on 03.12.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
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Pterobranchia | |
Dicellograptus sp. Hopkinson 1871 graptolite | |
Lingulata | |
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Rhynchonellata | |
Orthambonites decipiens Phleger 1933 | |
Valcourea sp. Raymond 1911 | |
Bryozoa | |
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Gastropoda | |
? Archaeogastropoda indet. Thiele 1925 snail gastropods - originally entered as "? Archaeogastropoda indet."
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Trilobita | |
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Remopleurides sp. Portlock 1843 trilobite | |
Lonchodomas sp. Angelin 1854 trilobite | |
unclassified | |
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Anthozoa | |
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