Description: English: All figures are made with the aid of a camera lucida from living material by the authors and colored by Miss Anna Hamilton, unless otherwise stated. Plate 1. Fig. 1. Amphidinium asymmetricum sp. nov.; Camera drawing by Miss Inez Smith, ventral view Fig. 2. Gymnodinium lineatum sp. nov.; ventral view Fig. 3. Gyrodinium truncatum sp. nov.; three food bodies are present Fig. 4. Amphidinium galbanum sp. nov.; ventral view Fig. 5. Gymnodinium aureum sp. nov.; detroventral view Fig. 6. Amphidinium cucurbitella sp. nov.; dextroventral view Fig. 7. Gymnodinium scopulosum sp. nov.; sinistroventral view Fig. 8. Cochlodinium schuetti sp. nov.; sinistroventral view Fig. 9. Amphidinium cucurbita sp. nov.; ventral view Fig. 10. Gymnodinium ravenescens sp. nov.; ventral view Fig. 11. Amphidinium corpulentum sp. nov.; ventral view Fig. 12. Gymnodinium situla sp. nov.; ventral view. Date: 1921. Source: Kofoid, C. A. & Swezy, O.
The free-living unarmored dinoflagellata. Memoirs of the University of California, Volume 5, 1921. Author: Charles Atwood Kofoid, Olive Swezy, Anna Hamilton.