Oedogonium crenulatocostatum
- kingdom: Plantae
- phylum: Chlorophyta
- class: Chlorophyceae
- order: Oedogoniales
- family: Oedogoniaceae
- genus: Oedogonium
- species: Oedogonium crenulatocostatum
Bridgeport
ConnecticutEastham
Lynn
North Eastham
South Peabody
Massachusetts
United States