References
- Bowerbank Report on a Collection of Sponges found at Ceylon by E. W. H. Holdsworth, Esq Proc. Zool. Soc. 1873 29 29 pl. vii. figs. 1–6.
- Trans. Devon Assoc. Sci. Literat. and Art , 14 – 14 . (separate copy)
- 1870 . Ann. & Mag. Nat. Hist. ser 4 , v : 389 – 389 .
- 1870 . Ann. & Mag. Nat. Hist. , vi : 347 – 347 .
- Mr. Kent, in the Annals 1878 i 14 14
- Barrois , C. Mémoire sur l'Embryologie de quelques Eponges de la Manche . Annales des Sci. Natur. , ii 1876 – 1876 . vie sér. Zoologie