Did you mean: Histrio Bdellidae
Histriobdellidae
Histriobdellidae is a family of annelids belonging to the order Eunicida.
Genera:
Histriobdella Van Beneden, 1858
Histriodrilus Foettinger, 1884
Steineridrilus Zhang, 2014
Stratiodrilus Haswell, 1900 Wikipedia
Scientific name: Histriobdellidae