Reference
Citation |
Title | Authors | Publisher | Date |
|---|---|---|---|---|
| Clark, A.H., 1931 | A Monograph of the Existing Crinoids. Vol. I. The Comatulids. Part 3 Superfamily Comasterida. U. S. natn. Mus | Clark, A.H. | Bull. 82 (part 3): vii + 816 pp. | 1931 |