Specimen 70248 – myFOSSIL

Charles Smith posted a new specimen. 3 years, 4 months ago

3 years, 4 months ago

3 years, 4 months ago

Charles Smith has contributed specimen mFeM 70248 to myFOSSIL!
- Mackenzie Ross replied 3 years, 4 months ago
  
  Hi @charles-smith, what a wonderful diagram of this fossil! The only thing this needs is a scale as well! @david-clark might be able to help you narrow down the identification!
- David Clark replied 3 years, 4 months ago
  
  What an interesting specimen! Jimbacrinus is a Permian crinoid only found in Australia. I think this may be a columnal or stem that was infected and bulged. This specimen has no obvious small tegmen plates (top of the calyx) or anal tube. It’s also curious if it only has 4 holes on the sides. If they were arms, it’s usually in multiples of 5. The…[Read more]
- Charles Smith replied 3 years, 3 months ago
  
  Good News! Thanks to the observations and research done by David Clark of Howell, MI and Mark A. Wilson, a professor of Geology at the College of Wooster, Ohio, this crinoid stem piece has been identified as a swollen crinoid columnal due to parasitism by some unknown soft-bodied organism. The length of the piece is 2.60 CM and the diameter is…[Read more]

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