''Acicularia'' is an extinct genus of
green algae
The green algae (: green alga) are a group of chlorophyll-containing autotrophic eukaryotes consisting of the phylum Prasinodermophyta and its unnamed sister group that contains the Chlorophyta and Charophyta/ Streptophyta. The land plants ...
in the family
Dasycladaceae
The Dasycladaceae is one of the two extant family (biology), families of green algae of the order Dasycladales. When found in Palaeozoic limestones, they typically indicate depositional depth of less than 5m.See the National Center for Biotechnol ...
.
References
Ulvophyceae genera
Dasycladaceae
Fossil algae
{{Ulvophyceae-stub