ammonites
Arjamannia cancellatula Sedgwick and M'Coy 1855

Gastropoda - Murchisoniina - Lophospiridae

Alternative combinations: Lophospira cancellatula, Murchisonia cancellatula

Full reference: A. Sedgwick and F. M'Coy. 1855. A synopsis of the clasification of the British Palaeozoic rocks (Sedgwick) with a systematic description of the British Palaeozoic fossils in the Geological Museum of the University of Cambridge (M'Coy) 1-661

Belongs to Arjamannia according to P. J. Wagner 2011

Sister taxa: Arjamannia aulangonensis, Arjamannia bellicarinata, Arjamannia inexpectans, Arjamannia pteronoides, Arjamannia sybellina, Arjamannia thraivensis, Arjamannia turrita, Arjamannia woodlandi