Specimen 58455 – myFOSSIL

Isaac E. Pope posted a new specimen. 1 year, 6 months ago

1 year, 6 months ago

1 year, 6 months ago

Isaac E. Pope has contributed specimen mFeM 58455 to myFOSSIL!
- Jennifer Bauer replied 1 year, 6 months ago
  
  Hi, @i-edwards – are you sure this was found in Oligocene rocks? It looks very similar to other brachiopods I have found that went extinct in the Permian, namely Lepidocyclus and Hiscobeccus. PBDB is suggesting maybe there are some Oligocene occurrences: http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=86574 but it jumps from the Devonian to…[Read more]
  - Isaac E. Pope replied 1 year, 6 months ago
    
    Hello @jbauer, thank you for your comment! I was just about to ask you about this specimen’s identity. Actually, I found this in a fairground parking lot and off the top of my head I thought it resembled some Oligocene brachiopods here in Washington State, but after looking more into it I doubt that it is local. I will update it and if you have…[Read more]
    - Jennifer Bauer replied 1 year, 6 months ago
      
      Let me tag in @mackenzie-smith who is more familiar with PNW fossils to chime in on the potential origin. I’ve collected similar looking fossils from the Ordovician – but certainly they extend beyond that time period. Oligocene just seems a bit too far – but I’m not super familiar with brachiopods outside of the Paleozoic.
  - MacKenzie Smith replied 1 year, 6 months ago
    
    @jbauer and @i-edwards Get ready for a long answer! WA has rocks from almost every period in the Phanerozoic. The PBDB also has a lot of omissions from PNW fossils since many of the original collections were USGS, have been lost or were never cataloged into PBDB. So it would not surprise me if this was an Oligocene occurrence that is not it PBDB.…[Read more]
    - Jennifer Bauer replied 1 year, 6 months ago
      
      Yay! I love long answers! Thanks, @mackenzie-smith. I figured there was a lot of information ‘missing’ from all the online databases in terms of specimens & lithologic information.
      
      From what I remember the strong ribbing decreases through time – which was the first big trigger for me that maybe something was a bit off. I can try to track down an…[Read more]

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