Ascidia cf. virginea is a solitary tunicate first found near San Diego, California in 2019. It was found to have to have a greater than 99% genetic sequence similarity to Ascidia virginea) Müller 1776) from Catalonia, Spain, and from Florida and Norway. Ascidia virginea occurs from Norway to the Mediterranean, However, California specimens show morphological differences from European specimens. European specimens of A, virginea are sub-rectangular, with a smooth, cartilaginous, translucent text. The oral siphon is terminal, with atrial siphon a short distance away. The rectum is long, extended beyond the intestinal loop. The ovary is located on the left inner margin of the loop, with the testis on the right side, This tunicate is usually attached to a surface one one side, often to stones and shells, at 30-100m depth It is 30-80 mm long, and is usually pink (Hayward and Ryland 1999).