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bryozoan    
a. 苔藓虫类的[动物]



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  • bryozoan species Identification - Fossil ID - The Fossil Forum
    I read some information somewhere suggesting that bryozoan species can be distinguished by the shape of their pores Is it possible to identify the following bryozoan from this cross-sectional image? Additionally, could you provide insights into the criteria used for identifying bryozoan species?
  • Archimedes Bryozoan - Bryozoans - The Fossil Forum
    Taxonomy Archimedes sp Kingdom: Animalia Phylum: Bryozoa Class: Stenolaemata Order: Fenestrida Family: Fenestellidae Genus: Archimedes Species: Archimedes sp
  • Archimedes Bryozoan - Fossil ID - The Fossil Forum
    From the Fort Payne Chert (Mississippian) of northern Alabama, here's what I think to be an Archimedes bryozoan in cross section Scale is in centimeters Am I correct? Can you suggest a more specific identification? I was unfortunately unable to collect this one, as it was in a fairly large rock
  • Bryozoan? And. . . ? - Fossil ID - The Fossil Forum
    Agree this is a Fenestella type bryozoan Not sure on the age of the rocks, though, so it could be some other genus of fenestrate bryozoan I think the other dots could be cross sections of other bryozoan fronds
  • Bryozoan? - Fossil ID - The Fossil Forum
    I know the first two pictures are crinoids Is the third a Bryozoan? Found along a lake edge in Western Pennsylvania (Devonian, Mississippian, Pennsylvanian all present here)
  • Bryozoan ID - The Fossil Forum
    Can anyone ID this bryozoan? Ross Formation, Vulcan Quarry near Parsons, TN Dated to Devonian Nearly 2 inches long, maybe an inch wide, uncertain as it partially hidden in matrix Thought it a crinoid pinnule, but stem has a smooth central ridge with porous structures running up each side Rese
  • Bryozoan Type? - Fossil ID - The Fossil Forum
    This is a Lake Erie Beach find from Western PA I don't know if it is fossiliferous or not It was unique, and it isn't biological My only guess is maybe some type of Bryozoan but I have never seen any that are black like this
  • New Mix Bryozoan and Crinoid - Fossil ID - The Fossil Forum
    Yes, Crinoid and bryozoan The white lines are maybe worm tubes? I wouldnt put it in acid, i think it is likely to dissolve the fossils as well, but i am no expert in this formation
  • Evactinopora? Bryozoan ID - Fossil ID - The Fossil Forum
    Looks bryozoan to me, any chance of better focussed closer images of the pores? This is the best I can get until I get home and get a chance to clean it up a little bit It shows side views of two of the "rays"
  • Neuville Graptolite (or Bryozoan) - Fossil ID - The Fossil Forum
    I'm curious as to what this graptolite-looking thing is It's very small (1cm) and it took me 6 months to notice The contrast is pretty bad, as it is black on very dark grey, but please have a go if you feel like it Neuville Formation, Quebec Ordovician (Katian?) Each little white bar is a mill





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