Sertularella obtusa Stechow, 1931
Stechow (1931), Zool. Anz. 96, p. 182-183.
ZSM 20040221, 20040914 colonies in ethanol, ZSM 20041659, 20041660 micro slides containing several pieces of the colonies, Japan, Mutsu Bay, Emmusubi-Jizo near Asamushi, growing on algae among colonies of Sertularella miurensis var. pungens Stechow, 1931, leg. S. Hozawa.
Note: A redescription based on the type material is given by Stechow & Uchida (1931, p. 585-589, fig. 8).