Nr 99723948

Mycket sällsynt Radiodont - frontalutskott - Fossil matris på platta - Aegirocassis benmoulai
Nr 99723948

Mycket sällsynt Radiodont - frontalutskott - Fossil matris på platta - Aegirocassis benmoulai
Rare well preserved spinose raptorial appendages of fossil radiodont Aegirocassis benmoulai (Van Roy, Daley, & Briggs, 2015). Specimen is glued.
Aegirocassis was the largest known radiodont arthropod belonging to the family Hurdiidae, measuring 2 metres in length. This genus was most likely a filter feeder, but it could have preyed upon larger food. The appendages were adapted for suspension feeding, collecting plankton from the water column.
Age: Lower Ordovician, Arenig, Fezouata Shale
Locality: Morocco, Zagora area
Matrix size: 220 x 118 x 23 mm
Fossil size: 150 x 33 mm
Weight: 432 g
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