On the occurrence of lateral openings and fossae (pleurocoels) in the thoracic vertebrae of neornithine birds and their functional significance

HIGHLIGHTS

• who: Author from the Concerning extant birds, this study is based on an examination of skeletons of multiple representatives of all extant higher-level clades in the collection of Senckenberg Research Institute Frankfurt (SMF)In higher-level groups ("families" and "orders"), for which pleurocoels or lateral openings have not been previously reported, only random sampling of a few individuals was performed, whereas taxonomic sampling was dense in the Anseriformes, Procellariiformes, Gruiformes, and Charadriiformes, where multiple representatives of all genus-level taxa in the collection were examined (see http://for the holdings of bird skeletons in the ornithological . . .
  

   

  

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