Also known as Orthidiella community
Where: Nye County, Nevada (36.8° N, 115.9° W: paleocoordinates 7.1° S, 81.7° W)
• coordinate stated in text
• basin-level geographic resolution
When: Orthidiella brachiopod zone, Antelope Valley Formation (Pogonip Group), Darriwilian (467.3 - 458.4 Ma)
• "lower to mid Middle Ord. (Whiterlockian= Llanvirn). A widespread community; found in Great Basin as well as Canada"
•
Environment/lithology: shallow subtidal; silty lime mudstone
Size classes: macrofossils, mesofossils
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: biostratigraphic analysis
PaleoDB collection 226924: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.08.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
| Eocrinoidea | |
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Eocrinoidea indet. Jaekel 1918 | |
| Trilobita | |
|
Ectenonotus sp. Raymond 1920 trilobite | |
| Cephalopoda | |
|
Nautiloidea indet. Agassiz 1847 nautiloid | |
| Gastropoda | |
|
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| Strophomenata | |
|
Ingria cloudi Ulrich and Cooper 1936 | |
| Rhynchonellata | |
"Orthambonites eucharis" = Sivorthis eucharis, Orthambonites dinorthoides
"Orthambonites eucharis" = Sivorthis eucharis Ulrich and Cooper 1938
Orthambonites dinorthoides Cooper 1956 | |
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Orthidiella longwelli Ulrich and Cooper 1938 | |
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