The margin stretches north to Novaya Zemlya where early Palaeozoic Baltica faunas have been found, but the sparsity of data makes it difficult to locate the margin in the Arctic.
A marxe esténdese ao norte ata Novaya Zemlya, onde se encontraron as faunas do inicio do Paleozoico de Báltica, pero a escaseza de datos fai difícil localizar a marxe no Ártico.