Scamaill ag airde íseal, timpeall 0.5-2 km, le cruthanna carnacha cruinne. Rolltar cisil scamall i gcruthanna cruinne. Bán nó liath.[1]

Scamaill stratacumalais os cionn Pennsylvania
  1. Hussey, Matt (2011). "Stratacumalas". Fréamh an Eolais. Coiscéim. p. 629.