Full reference: N. J. Butterfield, A. H. Knoll, and K. Swett. 1994. Paleobiology of the Neoproterozoic Svanbergfjellet Formation, Spitsbergen. Fossils & Strata (34)
Parent taxon: Eukarya according to C.C. Loron et al. 2019
Sister taxa: Archeoxybaphon, Characodictyon, Circidentatus, Circitorquis, Cycliocyrillium, Daedalosphaera, Galerosphaera, Gyalosphaera, Herisphaera, Hexacatillus, Melanocyrillium, Nunatsiaquus, Ospercapatera, Palaeoarcella, Paleohexadictyon, Paleomegasquama, Paleoscutula, Petasisquama, Protoctista, Quadrireticulum, Thorakidictyon
Subtaxa: Palaeastrum dyptocranum
Distribution:
• Tonian of United States (3: Arizona collections)
• Stenian of Canada (1: Nunavut)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.