Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Sansom, Ivan J" or (type exact bookEditor and editor="Sansom, Ivan J") Add to list Journal Article A1 Ichnofacies of the Stairway Sandstone fish-fossil beds (Middle Ordovician, Northern Territory, Australia) Neil Davies (UGent) , Ivan J Sansom, Robert S Nicholl and Alex Ritchie (2011) ALCHERINGA. 35(4). p.553-569