Dawsonia campanulata

Dawsonia campanulata Temporal range: Silurian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	incertae sedis
Genus:	Dawsonia (preoccupied name)
Species:	D. campanulata
Binomial name
Dawsonia campanulata Nicholson, 1873

Dawsonia campanulata is an organic-walled Palaeozoic organism of unknown affinity .^[1][2]

References

1. ^ Alex Page; Gabbott, Sarah E.; Wilby, Philip R.; Zalasiewicz, Jan A. (2008). "Ubiquitous Burgess Shale–style “clay templates” in low-grade metamorphic mudrocks". Geology 36: 855. doi:10.1130/G24991A.1. 
2. ^ Alex Page, Philip R. Wilby, Claire J. T. Mellish, Mark Williams & Jan A. Zalasiewicz (2008). "Dawsonia Nicholson: linguliform brachiopods, crustacean tail-pieces and a problematicum rather than graptolite ovarian vesicles". Transactions of the Royal Society of Edinburgh 99: 251–266. doi:10.1017/S175569100900704X.