Chaetopeltidales

Chaetopeltidales are an order of green algae in the class Chlorophyceae. In comparison to other chlorophycean orders, the order is species-poor and was circumscribed relatively recently, in 1994; the key ultrastructural features include having zoospores with four flagella, with the basal bodies in a cruciate arrangement.

Chaetopeltidaceae are a small family of green algae in the order Chaetopeltidales.