Protozoa - Archaeospicularia - Echidninidae
Historically considered to be either a hexactinellid sponge or a radiolarian
Full reference: S. Bengtson. 1986. Siliceous microfossils from the Upper Cambrian of Queensland. Alcheringa 10(3):195-216
Parent taxon: Echidninidae according to P. Noble et al. 2017
See also De Wever et al. 2001, Finks and Rigby 2004, Kozur et al. 1996, Sepkoski 2002, Won and Iams 2002 and Won et al. 2007
Sister taxa: Altaiesphaera, Cancellisphaera, Curvechidnina, Gigantospiculum, Grosmorneus, Neoechidnina, Parechidnina, Subechidnina, Varispiculum, Westernbrookia
Subtaxa: Echidnina bengtsoni Echidnina conexa Echidnina conjuncta Echidnina curvata Echidnina immanis Echidnina irregularis Echidnina laxa Echidnina monactina Echidnina runnegari Echidnina semiconexa Echidnina severedeformis Echidnina stevensi
Ecology: passively mobile planktonic omnivore
Distribution:
• Ordovician of Canada (2: Newfoundland and Labrador collections), United States (1: Nevada)
• Cambrian of Australia (1), Canada (7: Newfoundland and Labrador)
Total: 11 collections including 23 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.