phalanx middle phalanx intermediate phalanx in some groups such as whales, there are multiple intermediate phalanges Intermediate phalanges are bones found in the limbs of most vertebrates. In humans, they are the bones of the finger and toe which lie in the middle, between the two wrinkly joints. The thumb and big toe do not have intermediate phalanges. In most other vertebrates, they have a corresponding place in their limbs, whether they be paw, wing, hoof or fin EMAPA:35572 penultimate phalanx AAO:0010677 phalanx II medial phalanx Wikipedia:Intermediate_phalanges SCTID:299710007 uberon MA:0002915 UBERON:0004301 consider using numbering system, and axioms to the effect that there is a single middle phalanx per finger in humans. This should perhaps be renamed 'intermediate phalanx', leaving the term middle phalanx open for the specific intermediate phalanx of a 3-phalanx digit A phalanx located between proximal and distal phalanges. phalanx 2