New fossils found in China reveal marine reptiles from the Triassic Period were sifting tiny edibles from copious amounts of water long before modern whales made it cool.
used soft tissues like baleen to push water out of its rather spacious mouth.explains"Baleen whales have grooves along the jaws to support curtains of baleen, long thin strips of keratin, the protein that makes hair, feathers and fingernails.
their early ancestors went through a stage where they had both teeth and baleen before losing their teeth completely to become the filter-feeding baleen whales we know today.Fang and colleagues add that' rigid trunk means it was a slow swimmer and probably used a continuous ram filter feeding method, like
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