The new complex helical trace fossil Avetoichnus luisae igen. n. et isp. n. from the Cainozoic deep-sea sediments of the Alpine realm: a non-graphoglyptid mid-tier agrichnion. Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen, 260(3), Jun 2011: 319-330. 323 [Zoological Record Volume 147]