actinistia造句

• "' Actinistia "'is a living coelacanths, the West Indian Ocean coelacanth and the king of the sea.
• A new phylogenetic analysis of sarcopterygians, incorporating new fossils of " Qingmenodus " and neurocranial characters previously neglected, supported Onychodontiformes as stem-coelacanths within Actinistia.
• A study of additional new fossils of " Qingmenodus " in a larger phylogenetic analysis of Sarcopterygii including new neurocranial characters supported placing onychodontiforms as stem-coelacanths, within Actinistia.
• Coelacanths belong to the subclass Actinistia, a group of lobed-finned fish related to lungfish and certain extinct Devonian fish such as osteolepiforms, porolepiforms, rhizodonts, and " Panderichthys ".
• The lobe-finned fish apparently followed two different lines of development and are accordingly separated into two subclasses, the Rhipidistia ( including the lungfish, and the Tetrapodomorpha, which include the Tetrapoda ) and the Actinistia ( coelacanths ).