Below, you see a list with possible ichnogenera for unbranched macrobioerosional traces with a clavate morphology. Click on each of them to get detailed descriptions of the ichnogenus and a list of its ichnospecies. (Please allow for pop-up windows):

• Belichnus
• Gastrochaenolites
• Phrixichnus
• Sanctum (Ichnogenus usually unbranched, but may be branched)
• Teredolites (Ichnogenus usually unbranched, but mey be branched)