arthrodire
English
Noun
arthrodire (plural arthrodires)
- (zoology) Any member of the extinct order Arthrodira, armored jawed fishes that flourished in the Devonian period.
- 2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436:
- The basicranial circulation of Ptomacanthus resembles that in arthrodire placoderms.
- 2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436:
Hypernyms
- placoderm