On The Crinoid Genus Scyphocrinus And Its Bulbous Root Camarocrinus is a book written by Frank Springer in 1917. The book is a detailed study of the crinoid genus Scyphocrinus and its bulbous root Camarocrinus. Crinoids are marine animals that belong to the phylum Echinodermata and are commonly referred to as sea lilies or feather stars. The book provides an in-depth analysis of the morphology, anatomy, and taxonomy of these two crinoid genera. It...