epibranchial placode geniculate placode Rostralmost epibranchial placode. Associated with 1st branchial cleft. Taxonomic equivalence to EHDAA2 class made on basis of shared development: gives rise to geniculate ganglion facial placode TAO:0001295 facial epibranchial placode epibranchial placode 1 EHDAA2:0004206 hyoid placode hyoid VII placode XAO:0004211 facial VII placode ZFA:0001295 UBERON:0009124