Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| kingdom | Plantae Haeckel - plants |
| divisio | Chlorophyta Reichenbach, 1828 - green algae |
| class | Ulvophyceae K.R. Mattox & K.D. Stewart |
| order | Bryopsidales J.H. Schaffner |
| family | Codiaceae Kützing |
| genus | Codium J. Stackhouse |
| species | Codium fragile (Suringar) Hariot |
| subspecies | Codium fragile subsp. fragile (Suringar) Hariot |