Polycarpa pusilla (Herdman, 1884)

Herdman, W. A. (1884) Report upon the Tunicata dredged during the cruises of H. M. S. 'Porcupine' and 'Lightning' in the summer of 1868 and 1870. Trans. R. Soc. (Edinb. ) 32(2): 219-231