Thoracosphaera heimii

+heimii (Lohmann, 1920, p.117-118, fig.29) Kamptner, 1944, p.145.  Holotype: Lohmann, 1920, fig.29.  Originally Syracosphaera, subsequently (and now) Thoracosphaera.  Taxonomic junior synonyms: Thoracosphaera pelagica, according to Kamptner (1944, p.145); Thoracosphaera corsena and Thoracosphaera granulosa according to Fütterer (1976, p.130-131); and Thoracosphaera imperforata, according to Fütterer (1978, p.714).  The nomenclatural type of the genus Thoracosphaera remains the holotype of Thoracosphaera pelagica.  According to Tangen et al. (1982), this species represents the calcareous cell wall of a dinoflagellate vegetative stage.  Age: extant.

Parent: Thoracosphaera