Reference
Citation |
Title | Authors | Publisher | Date |
|---|---|---|---|---|
| Clark, A.H., 1950 | A Monograph of the Existing Crinoids. Vol. I. The Comatulids. Part 4c Superfamily Tropiometrida (the families Thalassometridae and Charitometridae). U. S. natn. Mus | Clark, A.H. | Bull. 82 (part 4c): vii + 383 pp. | 1950 |