Penicillus capitatus

Penicillus capitatus is a species of macroalgae, seaweed, that is part of the Udoteaceae, a larger family of algae. The P. Capitatus is a member of green macroalgae, Chlorophyta, so they share some similarities to their terrestrial counterparts. Due to their distinct shape, the Penicillus genus can be referred to as Brush Seaweed, Shaving Brush, or the Mermaid's Shaving Brush.

Penicillus capitatus
Scientific classification
Clade: Viridiplantae
Division: Chlorophyta
Class: Ulvophyceae
Order: Bryopsidales
Family: Udoteaceae
Genus: Penicillus
Species:
P. capitatus
Binomial name
Penicillus capitatus