ammonites
Nisusia howelli Shaw 1957 (lamp shell)

Kutorginata - Kutorginida - Nisusiidae

Full reference: A. B. Shaw. 1957. Paleontology of Northwestern Vermont. VI. The early Middle Cambrian fauna. Journal of Paleontology 31(4):785-792

Belongs to Nisusia according to A. B. Shaw 1957

Sister taxa: Nisusia cloudi, Nisusia deissi, Nisusia montanaensis, Nisusia sulcata, Nisusia vaticina

Type specimen: MCZ 9353, a shell. Its type locality is SA-C-8, which is in a St Davids carbonate limestone/shale in the Parker Slate Formation of Vermont.

Ecology: stationary epifaunal suspension feeder