High resolution XCT scanning reveals complex morphology of gnathal elements in an Early Devonian arthrodire
Hu, Yuzhi; Young, Gavin; Burrow, Carole J.; Zhu, You-an; Lu, Jing
Arthodire placoderms, as a possible sister group of Chinese 'maxillate' placoderms plus crown gnathostomes, provide important information regarding early evolution of jaws and teeth. High-resolution computed tomography and digital dissection on a unique articulated 400 million-year-old buchanosteid arthrodire permitsa detailed description of the three types of gnathal elements in basal arthrodires for the first time, giving insights into their morphology and the organization of the associated...[Show more]
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