TY  - CHAP
A1  - Mortensen, T.
N1  - from Kier & Lawson (1978)
C1  - 471 pp., C. A. Reitzel, Copenhagen.
TI  - A Monograph of the Echinoidea. IV, 2. Clypeasteroida. Clypeasteridæ, Arachnoidæ, Fibulariidæ, Laganidæ and Scutellidæ
UR  - https://marinespecies.org/Deepsea/aphia.php?p=sourcedetails&id=6526
PY  - 1948
Y2  - 2026-09-12
ER  -