humerovertebral ligament Ligament that links the tip of the postcleithral process of the cleithrum with either the vertebral column (at the vertebral parapophysis or rib of the sixth vertebra) or with the soft tissue around the postcleithral region. Recorded in siluriform families Aspredinidae, Amblycipitidae, Akysidae, Sisoridae and Erethistidae (dePinna 1996). Submitted by Mario de Pinna. TAO:0001694 teleost_anatomy ligament