Abarenicola affinis is a species of polychaetes belonging to the family Arenicolidae.
This species is found in Southern Hemisphere. They typically live in soft sediments and are filter-feeders.
Four subspecies of Abarenicola affinis are described:
Abarenicola affinis affinis (Ashworth, 1902)- nominate subspecies Abarenicola affinis africana Wells, 1963 Abarenicola affinis chilensis Wells, 1963 Abarenicola affinis clarki Wells, 1963
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