Bryopsidales
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| Bryopsidales | |
|---|---|
 | |
| Dead man's fingers (Codium fragile) | |
Scientific classification  | |
| Clade: | Viridiplantae |
| Division: | Chlorophyta |
| Class: | Ulvophyceae |
| Order: | Bryopsidales J.H. Schaffner |
| Families[1] | |
| Synonyms | |
| |
Bryopsidales is an order of green algae, in the class Ulvophyceae.[1] It is a diverse group of mostly marine macroalgae.[2]
The thallus is filamentous, highly branched, and may be packed into a mass. It is coenocytic, having multi-nucleate cells consisting of cytoplasm contained within a cylindrical cell wall. There are no septae, and the many discoid chloroplasts, nuclei and other organelles are free to move through the organism. The whole organism may consist of a single cell; in the genus Caulerpa, this single cell may be several metres across. In the genus Halimeda, whole seabed meadows may consist of an individual, single-celled organism connected by filamentous threads running through the substrate.[3]