"Fig. 1, Monads; 2, Forms assumed by the Ameoba; 3, Flask Animalcules, Enchelis; 4, Actinophrys sol; 5, Euglena viridis ; 6, Gonium pectorale; 7, Trachelias anas ; 8, Paramecium aurelia ; 9, Navicula; 10, Vibrie Spirillum; 11, Vorticella Stentor" — Goodrich, 1859

Forms of the animalcules, magnified

"Fig. 1, Monads; 2, Forms assumed by the Ameoba; 3, Flask Animalcules, Enchelis; 4, Actinophrys sol;…

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules are free-floating." -Whitney, 1911

Euchitonia

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules…