Melanocyrillium

Melanocyrillium; Temporal range: 850 mya
Scientific classification
Domain:	Eukaryota
Kingdom:	incertae sedis
Genus:	† Melanocyrillium ; Bloeser, 1985
Species
	M. fumbriatum; M. hexodiadema; M. horodyskii;

Last updated May 05, 2025

Melanocyrillium is a Precambrian genus of vesicle-shaped (or vase-shaped) microfossils of uncertain affinity found in the Grand Canyon Supergroup and Togari Group of Tasmania.^[1]^[2]M. hexodiadema has been described as a "probable lobose amoeba".^[3]

References

↑ Bloeser, Bonnie (1985). "Melanocyrillium, a new genus of structurally complex late Proterozoic microfossils from the Kwagunt Formation (Chuar Group), Grand Canyon, Arizona". Journal of Paleontology. 59 (3): 741–765. JSTOR 1304994.
↑ Riedman, Leigh Anne; Porter, Susannah M.; Calver, Clive R. (December 2018). "Vase-shaped microfossil biostratigraphy with new data from Tasmania, Svalbard, Greenland, Sweden and the Yukon". Precambrian Research. 319: 19–36. Bibcode:2018PreR..319...19R. doi:10.1016/j.precamres.2017.09.019. S2CID 133746303.
↑ Porter SM (2006). "The Proterozoic Fossil Record of Heterotrophic Eukaryotes". In Xiao S, Kaufman AJ (eds.). Neoproterozoic Geolobiology and Paleobiology. Topics in Geobiology. Vol. 27. Dordrecht, The Netherlands: Springer. p. 7. doi:10.1007/1-4020-5202-2. ISBN 978-1-4020-5201-9.

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[1] Bloeser, Bonnie (1985). "Melanocyrillium, a new genus of structurally complex late Proterozoic microfossils from the Kwagunt Formation (Chuar Group), Grand Canyon, Arizona". Journal of Paleontology. 59 (3): 741–765. JSTOR 1304994.

[2] Riedman, Leigh Anne; Porter, Susannah M.; Calver, Clive R. (December 2018). "Vase-shaped microfossil biostratigraphy with new data from Tasmania, Svalbard, Greenland, Sweden and the Yukon". Precambrian Research. 319: 19–36. Bibcode:2018PreR..319...19R. doi:10.1016/j.precamres.2017.09.019. S2CID 133746303.

[3] Porter SM (2006). "The Proterozoic Fossil Record of Heterotrophic Eukaryotes". In Xiao S, Kaufman AJ (eds.). Neoproterozoic Geolobiology and Paleobiology. Topics in Geobiology. Vol. 27. Dordrecht, The Netherlands: Springer. p. 7. doi:10.1007/1-4020-5202-2. ISBN 978-1-4020-5201-9.

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