A new sublittoral species of Botryocladia, B. papenfussiana is described based on collections trawled from depths of 10–15 meters near the Institute of Oceanography, Cumana, Venezuela. Thallus morphology and structure, tetrasporic, male and female plants are figured in detail. The Venezuelan plants are characterized and also distinguished from related species by the shape, size, and structure of
... [Show full abstract] the vesicles.