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Pervosphaeridium

General Description Stratigraphy Literature Notes Species

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Age range (in million years)

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Image	Name	Original Description
	aquitanicum	Deunff, J. (1961a)
	assamicum	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	attadalense	Cookson, I.C. and Eisenack, A. (1982)
	biforme	Wiesner, H. (1936)
	breviatum	Morgenroth, P. (1966a)
	*brevispinum*	Norvick, M.S. (1975)
	calvum	Tasch, P. (1964)
	cambayense	Varma, C.P. and Dangwal, A.K. (1964)
	*cenomaniense*	Norvick, M.S. (1975)
	cezare	De Vernal, A., Goyette, C., and Rodrigues, C. G. (1989)
	circulare	Cookson, I.C. and Eisenack, A. (1971)
	clavulum	Davey, R.J. (1969a)
	coninckii	Burger, D. (1980a)
	diaphanum	Zorzi, C. et al. (2019)
	*elegans*	Louwye, S. (1997)
	gliwicense	Mackó, S. (1957)
	globosum	Davey, R.J. (1970)
	*granaciculare*	Fensome, R.A., Williams, G.L. and MacRae, R.A., (2009)
	grande	Salujha, S.K., Srivastava, N.C. and Rawat, M.S. (1969)
	*granulosum*	Jain, K.P. and Millepied, P. (1975)
	hillii	Merril, J.A. (1895)
	hyalodermum	Deflandre, G. (1939b)
	hymenohystrichum	Liu Zhili, Liu Xuexian and Zheng Yuefang, (1992)
	hypornatum	Prauss, M. (1989)
	inflatum	Harker, S.D., Sarjeant, W.A.S. and Caldwell, W.G.E. (1990)
	inornatum	Batten, D.J. and Lister, J.K. (1988)
	*intervelum*	Kirsch, K.-H. (1991)
	lateraliprocessum	Srivastava, N.C. and Banerjee, D. (1969)
	*mediterraneum*	Corradini, D. (1973)
	mineralosum	Varma, C.P. and Dangwal, A.K. (1964)
	*monasteriense*	Yun Hyesu (1981)
	*morgenrothii*	Corradini, D. (1973)
	multicornutum	Kimyai, A. (1966)
	*multispinum*	Slimani, H. (1994)
	neophytensum	Ioannides, N.S., Stavrinos, G.N and Downie, C. (1977)
	obesum	Sütö-Szentai, M. (1982a)
	oligacanthum	Wetzel, W. (1952)
	orbifera	Klement, K.W. (1960)
	orchiesense	De Coninck, J. (1975)
	ovum	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	paracostatum	Cookson, I.C. and Eisenack, A. (1974)
	paucifurcatum	Cookson, I.C. and Eisenack, A. (1961b)
	*paucispinum*	Eisenack, A. and Cookson, I. (1960)
	pecsvaradense	Sütö-Szentai, M. (1982a)
	perplexum	Varma, C.P. and Dangwal, A.K. (1964)
	polyozum	Brosius, M. (1963)
	polytrichum	Valensi, L. (1947)
	*pseudhystrichodinium*	Deflandre, G. (1937b)
	raritanianum	Kimyai, A. (1966)
	rhombovale	Cookson, I.C. and Eisenack, A. (1970a)
	sahii	Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
	senii	Srivastava, N.C. and Banerjee, D. (1969)
	*septatum*	Slimani, H. (1996)
	sergipense	Regali, M.S.P., Uesugui, N. and Santos, Y.S. (1974)
	simplicium	Cookson, I.C. and Eisenack, A. (1961b)
	sphaericum	Horowitz, A. (1975)
	spinipansatum	Merril, J.A. (1895)
	spiralisetum	De Wit, R. (1943)
	tenuifilum	Cookson, I.C. and Eisenack, A. (1982)
	*truncatum*	Davey, R.J. (1969a)
	*tubuloaculeatum*	Slimani, H. (1994)
	varispinosa	Brenner, W. (1988)
	verbinense	Deflandre, G. (1946a)
	whitei	Sarjeant, W.A.S. (1966b)