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Achomosphaera

General Description Stratigraphy Literature Notes Species

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Age range (in million years)

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Image	Name	Original Description
	*alcicornu*	Eisenack, A. (1954b)
	*alcicornu ssp. alcicornu*	Eisenack, A. (1954b)
	*alcicornu ssp. columnaeformis*	Aristova, K.E. (1971)
	*andalousiensis*	Jan du Chêne, R. (1977)
	*andalousiensis ssp. andalousiensis*	Jan du Chêne, R. (1977)
	*andalousiensis ssp. suttonensis*	Schioler, P. (1993)
	*antleriformis*	Schioler, P. (1993)
	*argesensis*	Demetresçu, E. (1989)
	*brevis*	Soliman, A. and Riding, J.B. (2017)
	*bulla*	Cookson, I.C. and Eisenack, A. (1974)
	*callosa*	Matsuoka, K. (1983b)
	*clavata*	Morgenroth, P., Rahardjo, A.T. and Maryunani, K.A. (2008)
	*convexa*	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	*crassipellis*	Deflandre, G. and Cookson, I.C. (1955)
	*danica*	Wetzel, W. (1952)
	*delicata*	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	*eggadania*	Vieira, M. et al. (2018)
	*expansa*	Stover, L.E. and Hardenbol, J. (1994)
	*fenestra*	Kirsch, K.-H. (1991)
	*globata*	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	*grallaeformis*	Brosius, M. (1963)
	*heterostyla*	Heisecke, A.M. (1970)
	*improcera*	Islam, M.A. (1983c)
	*jayana*	Morgenroth, P., Rahardjo, A.T. and Maryunani, K.A. (2008)
	*linifera*	Cookson, I.C. and Eisenack, A. (1967b)
	*longispinosa*	He Chengquan (1991)
	*malleofera*	White, H.H. (1842)
	*mariannae*	Philippot, A. (1949)
	*mariannae ssp. mariannae*	Philippot, A. (1949)
	*mariannae ssp. philippotii*	Marheinecke, U. (1992)
	*microreticulata*	Salujha, S.K. and Kindra, G.S. (1981)
	*minor*	He Chengquan (1991)
	*minuta*	He Chengquan, Zhu Shenzhao and Jin Guangxing (1989)
	*multifurcata*	Jain, K.P. and Tandon, K.K. (1981)
	*pachyderma*	Heilmann-Clausen, C. and Thomsen, E. (1995)
	*progranulata*	Vieira, M. et al. (2018)
	*quadrata*	Antolinez-Delgado, H. and Oboh-Ikuenobe, F.E. (2007)
	*ramosasimilis*	Yun Hyesu (1981)
	*ramosissima*	He Chengquan (1991)
	*ramulifera*	Deflandre, G. (1937b)
	*ramulifera ssp. gabonensis*	Boltenhagen, E. (1977)
	*ramulifera ssp. perforata*	Davey, R.J. and Williams, G.L. (1966a)
	*ramulifera ssp. ramulifera*	Deflandre, G. (1937b)
	*regiensis*	Corradini, D. (1973)
	*robusta*	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	*sagena*	Davey, R.J. and Williams, G.L. (1966a)
	*spongiosa*	Matsuoka, K. and Bujak, J.P. (1988)
	*taiwaniana*	Shaw Chenglong (1999b)
	*translucenta*	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	*triangulata*	Gerlach, E. (1961)
	*verdieri*	Below, R. (1982c)