MSBIAS source details
Mortensen, T. (1948). A Monograph of the Echinoidea. IV, 2. Clypeasteroida. Clypeasteridæ, Arachnoidæ, Fibulariidæ, Laganidæ and Scutellidæ. 471 pp., C. A. Reitzel, Copenhagen.
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Mortensen, T.
1948
A Monograph of the Echinoidea. IV, 2. Clypeasteroida. Clypeasteridæ, Arachnoidæ, Fibulariidæ, Laganidæ and Scutellidæ
471 pp., C. A. Reitzel, Copenhagen.
Publication
from Kier & Lawson (1978)
Echinocyamus pusillus (O.F. Müller, 1776) (additional source)