Pyramidalis, pyramidal in Latin, may refer to: Pyramidalis muscle, a small and triangular muscle, anterior to the Rectus abdominis, and contained in the rectus sheath in human anatomy Pyramidalis nasi, a small pyramidal slip of muscle deep to the superior orbital nerve, artery and vein Pyramidal muscle of auricle, an extension of the fibers of the muscle of tragus to the spine of helix Ulmus procera 'Pyramidalis', an English elm cultivar a rosemary cultivar