part_of part of part of has developmental contribution from has developmental contribution from has potential to develop into has potential to develop into posterior region of body paired limb/fin bud pelvic appendage pelvic appendage bud uberon at this time we have no need to name a more specific 'pelvic fin bud' class, but we may in future Fin bud that develops into the pelvic fin.[TAO] UBERON:0005420 EFO:0003469 A limb bud that develops into a hindlimb or pelvic fin. pelvic fin bud VHOG:0001260 Most anatomists now agree that the three proximal bones of the tetrapod limbs are homologous to the two or three proximal elements of the paired fin skeleton of other sarcopterygians, that is the humerus-femur, radius-tibia, and ulna-fibula.[well established][VHOG] ZFA:0001384 hindlimb/pelvic fin bud pelvic fin buds TAO:0001384 pelvic appendage field