Specimen 78104 – myFOSSIL

Patrick Hsieh posted a new specimen. 2 years, 10 months ago

2 years, 10 months ago

2 years, 10 months ago

Patrick Hsieh has contributed specimen mFeM 78104 to myFOSSIL!
- Patrick Hsieh replied 2 years, 10 months ago
  
  Matches genus Platyrachella in Fenton and Fenton (1924), possibly species alta or cyrtinaformis. Not sure current taxonomy.
- Sean Moran replied 2 years, 10 months ago
  
  @jbauer do you have any insight on this ID? Or know someone who might? Thanks!
- Jennifer Bauer replied 2 years, 9 months ago
  
  Hi @patrick-hsieh & @smoran – I don’t think it is Cyrtospirifer, there isn’t a clear fold and sulcus like I would expect with that genus. It looks more similar to Platyrachella but again no fold and one valve appears to be pretty flat maybe a little concave? I am not sure it is a spiriferid, why were you thinking that? Maybe some context would help.
- Patrick Hsieh replied 2 years, 9 months ago
  
  @smoran & @jbauer I think I meant genus Cyrtina, but I most likely accidentally selected Cyrtospirifer when I entered it into the classification wizard. The basis for selecting Cyrtina is the reference I have for this locality is The Stratigraphy and Fauna of the Hackberry Stage of the Upper Devonian by Fenton and Fenton, 1924. In this…[Read more]
- Jennifer Bauer replied 2 years, 2 months ago
  
  Ah, @patrick-hsieh. Cyrtina makes more sense! Yeah, there are some minor things on your specimen that don’t seem to match any of the genera super well. Sometimes there are just weird forms! I think the diagnostic utility of costae can vary between different brachiopod groups X.x

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