Four subgroups were recognised in Ireland: Dunmurry style, Ballymarlagh style Limerick style I (round bottomed) Limerick style II (shallow/flat) Lyles Hill style.
Vier Untergruppen wurden in Irland erkannt: Dunmurry-Stil, Ballymarlagh-Stil Limerick-Stil I (rundbodig) Limerick-Stil II (flach) Lyles-Hill-Stil.