† metacarpo-phalangesn.ZoologyObsoleterare (R. Owen's name for) the distal bones of the pectoral fins of fishes (thought by Owen to be homologous with the metacarpals and phalanges of other vertebrates).
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1846 R. OwenLect. Compar. Anat. Vertebr. Animalsi. 160Metacarpo-phalanges.