Helcionelloida - Helcionellida - Helcionellidae
Alternative combination: Scenella antiqua
Full reference: J. Kiær. 1916. The Lower Cambrian Holmia fauna at Tomten in Norway. Videnskapsselskapets Skrifter. I. Matematisk - naturvitenskapelig Klasse 1916(10):140
Belongs to Marocella according to G. Geyer 1986
See also Cobbold 1921, He and Yang 1982, Høyberget et al. 2015, Kiær 1916, Kouchinsky et al. 2017, Ponder et al. 2007, Qian and Bengtson 1989 and Wagner 2023
Sister taxa: Marocella australica, Marocella depressa, Marocella mira, Marocella morenensis, Marocella tichkaensis
Type specimen: PMO 73172, a shell. Its type locality is Holmia fauna, Tomten [Sparagmite Fm], which is in a Botomian deep subtidal shale/sandstone in the Ringstrand Formation of Norway.
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Cambrian of Australia (1 collection), Norway (1)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.