XLII.—Objections to the genera Pseudopygaulus, Coquand, Trachyaster, Pomel, and Ditremaster, Munier-Chalmas: their species restored to Eolampas, Dunc. & Sladen, and Hemiaster, Desor
Published in Annals And Magazine of Natural History, in 1888, in volume 2, pages 327-336
Date published:1888