Dictyotales
| Dictyotales | |
|---|---|
| Dictyota dichotoma | |
| Scientific classification | |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Gyrista |
| Subphylum: | Ochrophytina |
| Class: | Phaeophyceae |
| Order: | Dictyotales Bory de Saint-Vincent, 1828 |
| Family: | Dictyotaceae Lamouroux ex Dumortier, 1822 |
| Genera | |
| Synonyms | |
|
Scoresbyellaceae Womersley, 1987 | |
Dictyotales (from Greek diktyotos 'netlike') is a large order in the brown algae (class Phaeophyceae) containing the single family Dictyotaceae. Members of this order generally prefer warmer (tropical to subtropical) waters than other brown algae, and are prevalent in tropical and subtropical waters thanks to their many chemical defenses to ward off grazers. They display an isomorphic haplodiploid life cycle and are characterized by vegetative growth through a single apical cell. One genus in this order, Padina, is the only calcareous member of the brown algae.
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