Wisshak, M.; Hüne, L. (2019). The new encrusting microproblematicum Circumpodium enigmaticum and its attachment trace Circumpodichnus serialis from the Middle Jurassic of Normandy (France). Fossil Record. 22(2): 77-90.
The new encrusting microproblematicum Circumpodium enigmaticum and its attachment trace Circumpodichnus serialis from the Middle Jurassic of Normandy (France)