Gastropoda - Murchisoniina - Lophospiridae

Alternative combinations: Pleurotomaria inexpectans, Ruedemannia inexpectans

Belongs to Arjamannia according to P. J. Wagner 2011

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

Ecology: facultatively mobile epifaunal suspension feeder