Parent: Calidris (Stints)

└─ Calidris canutus (Red knot)

└─── Calidris canutus canutus

└─── Calidris canutus islandica

└─── Calidris canutus piersmai

└─── Calidris canutus rogersi

└─── Calidris canutus roselaari (Red knot)

└─── Calidris canutus rufa (Red knot)