Dear Alexy, That subject is covered in this review. Citation Smiley, Scott, 1994. Chapter 7, Pages 401-471. In: /Holothuroidea. Microscopic Anatomy of Invertebrates. Volume 14, Echinodermata. / (Harrison, FW & Chia, FS. eds.). Wiley-Liss Inc. The file is too big to email. Scott On 3/19/14, 2:00 AM, Алексей Смирнов wrote: > > Dear Colleagues, > > I would be very grateful for bibliographic references about > holothurian spicules formation and development. > > Thanks in advance, > > Alexey >