Fossil coleoid cephalopod from the mississippian bear gulch lagerstätte sheds light on early vampyropod evolution

HIGHLIGHTS

• who: Christopher D. Whalen from the Department Yale University have published the article: Fossil coleoid cephalopod from the Mississippian Bear Gulch Lagerstätte sheds light on early vampyropod evolution, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS
• what: Even if evidence was equivocal, the scenario the authors propose requires fewer genetic alterations (1 change=loss of all mineralized tissues) than the conventional model (7 changes=loss of ventral body chamber, loss of lateral body chamber, loss of primordial rostrum, loss of septa, loss of siphuncle, shortening of conus, demineralization). Exclusion of Jeletzkya has minimal impact on . . .
  

   

  

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