Symmetric Biraphid
Climaconeis
- Valves long, narrow
- Plastids paired
- "Ladder" may be present
- Portecrayon present
Species of Climaconeis are marine and epiphytic (growing on plants) or epipelic (growing on fine sediment). One taxon was described from stromatolites.
Valves are narrow, linear or curved. The raphe is central, straight, or curved to one side at center in straight species, biarcuate in lunate species. Nearly half of the known species are...