Taxonomy Animalia Chordata Vertebrata Pisces Osteichthyes Sarcopterygii Crossopterygii Rhizodontidae Metadata Usage CC0 ...
Researchers report a unique skeletal structure in the fins of a tetrapod-like fossil fish. Living four-limbed vertebrates, or tetrapods, exhibit a common skeletal pattern in the proximal part of their ...
Image courtesy of Jonathan E. Jeffery.
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