Polychaete jaw apparatuses and scolecodonts from the Silurian Ireviken Event interval of Gotland, Sweden

Articulated polychaete jaw apparatuses and scolecodonts from the uppermost Llandovery-lower Wenlock Ireviken Event strata of Gotland, Sweden, are illustrated and discussed and one new species, Kalloprion kilmisteri, that disappears at datum 2 of the Ireviken Event is described