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The ichnological study of the Djebel Bouarif Cenomanian deposits (Northern Aurès Range, Algeria) revealed relatively abundant and diverse sclerobiont communities that are preserved in corals, bivalves and gastropods. Fossil traces are dominated by exceptionally preserved  Gastrochaenolites,  often with tracemakers (bivalves), which are preserved  in situ, Entobia , and  Maeandropolydora . Other borings are rare and are represented by a single specimen of  Rogerella, Nihilichnus , and  Spirolites . Among sclerozoans, encrusting juvenile oysters and non-oyster bivalves ( Pseudolimea ?  granulata ) are the most abundant groups. Other epibionts, such as gastropods and polychaetes ( Glomerula serpentina ), are less common; dwarf gastropods were located on a single oyster  Costagyra olisiponensis , whereas  Glomerula  specimens were clustered on the lower and upper surfaces of coral  Aspidiscus cristatus. Gastrochaenolites  with original tracemakers and all the epibionts studied herein have not been described from the Djebel Bouarif Cenomanian deposits to date. The rare occurrences of  Spirolites  and  Nihilichnus  are reported from Algeria for the first time.

Sclerobiont assemblages on macro-invertebrates from the Cenomanian strata of Djebel Bouarif (Aurès Range, Algeria)