A monograph of the Echinoidea. - Mortensen, Theodor, 1868-; Carlsbergfondet (Copenhagen, Denmark) (Copenhagn, C. A. Reitzel, 1928)
Contents.- I. Cidaroidea. Text and atlas of plates. 2v. 1928. - II. Both riocidaroida. Mclonechinoida, Lepidocentroida and Stirodonata. Text and atlas of plates. 1935- V. [pt.] 1. Spatangoida. I. 1950. [pt.] 2. Spatangoida. II. 1951-
Published at the expense of the Carlsberg-fund.
Contains references.