▁currently ▁playing ▁in ▁Professional ▁D arts ▁Corporation ▁events . ▁ ▁Nick named ▁" The ▁Button ", ▁Kn opf ▁first ▁qualified ▁for ▁a ▁P DC ▁European ▁Tour ▁in ▁ 2 0 1 9 , ▁when ▁he ▁qualified ▁for ▁the ▁ 2 0 1 9 ▁German ▁D arts ▁Championship . ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : L iving ▁people ▁Category : G erman ▁d arts ▁players ▁Category : Pro f essional ▁D arts ▁Corporation ▁players ▁Category : 1 9 9 6 ▁birth s <0x0A> </s> ▁St y lo che ir on ▁is ▁a ▁genus ▁of ▁kr ill , ▁containing ▁the ▁following ▁species : ▁St y lo che ir on ▁abbre vi atum ▁G . ▁O . ▁S ars , ▁ 1 8 8 3 ▁St y lo che ir on ▁aff ine ▁Hans en , ▁ 1 9 1 0 ▁St y lo che ir on ▁ar mat um ▁Col osi , ▁ 1 9 1 7 ▁St y lo che ir on ▁car in atum ▁G . ▁O . ▁S ars , ▁ 1 8 8 3 ▁St y lo che ir on ▁el ong atum ▁G . ▁O . ▁S ars , ▁ 1 8 8 3 ▁St y lo che ir on ▁indic um ▁Sil as ▁& ▁Mat hew , ▁ 1 9 6 7 ▁St y lo che ir on ▁ins ul are ▁Hans en , ▁ 1 9 1 0 ▁St y lo che ir on ▁long ic or ne ▁G . ▁O . ▁S ars , ▁