aristonectidae造句
造句与例句
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- The "'Aristonectidae "'is a taxonomic family of poorly known plesiosaurs from the Jurassic and Cretaceous periods.
- It includes the Late Cretaceous plesiosaurs " Aristonectes " and " Kaiwhekea ", traditionally grouped with the Late Jurassic " Tatenectes " and " Kimmerosaurus " in the family Aristonectidae.
- "Aristonectes " has been recently placed within its own family, along with " Tatenectes ", " Kaiwhekea ", and " Kimmerosaurus ", by O'Keefe and Street ( 2009 ), as sister family of the polycotylid cryptoclidoids, but an even more recent study ( Otero " et al . ", 2014 ) has shown " Aristonectes " to be a derived elasmosaurid, thus making Aristonectidae synonymous with Elasmosauridae.
- It's difficult to see aristonectidae in a sentence. 用aristonectidae造句挺难的
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