"I think this is probably an undescribed species of Thorunna most akin to T. florens, rather than T. australis. The banding pattern is like some forms of T. florens, as is the white patch on the anterior end, although in T. florens it is usually red or orange. The two bands of orange on the rhinophores are unlike either T. florens or T. australis."
Comment from Scott Johnson
I think this is probably an undescribed species of Thorunna most akin to T. florens, rather than T. australis. The banding pattern is like some forms of T. florens, as is the white patch on the anterior end, although in T. florens it is usually red or orange. The two bands of orange on the rhinophores are unlike either T. florens or T. australis.