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Impagidinium
General
Description
Stratigraphy
Literature
Notes
Species
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Age range (in million years)
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Name
Original Description
acanthosphaera
Sarjeant, W.A.S. (1961a)
aculeatum
Wall, D. (1967)
agremon
Willumsen, P.S. (2011)
alectrolophum
Sarjeant, W.A.S. (1966b)
aliferum
Mudie, P.J. (1987)
ambiguiforme
Dodekova, L. (1994)
ancoralium
Mantle, D.J., (2005)
angustivela
Deflandre, G. and Cookson, I.C. (1955)
antecarcerem
De Verteuil, L. and Norris, G. (1996a)
aquitanicum
Deunff, J. (1961a)
arachnion
De Verteuil, L. and Norris, G. (1996a)
aspinatum
Cookson, I.C. and Eisenack, A. (1974)
assamicum
Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
attadalense
Cookson, I.C. and Eisenack, A. (1982)
australis
Pöthe de Baldis, E.D. (1966)
bacatum
Londeix, L., Benzakour, M. and De Vernal, A. (1992)
bacculatum
Baltes, N. (1971)
bellunoensis
Iakovleva, A.I. (2025)
biforme
Wiesner, H. (1936)
breviatum
Morgenroth, P. (1966a)
caecopapillatum
Prössl, K.F. (1992b)
californiense
Damassa, S.P. (1979a)
calvum
Tasch, P. (1964)
cambayense
Varma, C.P. and Dangwal, A.K. (1964)
cantabrigiense
De Schepper, S. and Head, M.J., (2008b)
cantrellii
Sarjeant, W.A.S. (1972)
caspienense
Marret, F., Leroy, S., Chalié, F. and Gasse, F. (2004)
cassiculus
Wilson, G.J. (1988)
cavea
Willumsen, P.S. (2011)
celineae
Jan du Chêne, R. (1988)
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)
cornutum
Matsuoka, K. and Bujak, J.P. (1988)
crassimuratum
Wilson, G.J. (1988)
crinitum
Davey, R.J. (1969a)
cristatum
May, F.E. (1980)
crouchiae
Willumsen, P.S. (2011)
dabendorfense
Alberti, G. (1961)
delicatum
Davey, R.J. (1969a)
detroitense
Zorzi, C. et al. (2019)
diaphanum
Zorzi, C. et al. (2019)
dispertitum
Cookson, I.C. and Eisenack, A. (1965a)
distincta
Jain, K.P. and Millepied, P. (1975)
diversum
Duxbury, S. (2001)
elegans
Cookson, I.C. and Eisenack, A. (1965a)
ellipsoideum
Deflandre, G. (1936b)
elongatum
Schreck, M., Matthiessen, J. and Head, M.J., (2012)
epidoma
Matsuoka, K. (1987)
erectum
Manum, S. and Cookson, I.C. (1964)
eugubinum
Biffi, U. and Manum, S.B. (1988)
fenestroseptatum
Head, M.J., Norris, G. and Mudie, P.J. (1989b)
flagellichnia
Schioler, P. (1993)
gibrense
Michoux, D. (1985)
gliwicense
Mackó, S. (1957)
globosum
Sütö-Szentai, M. (1985)
globosum
Olaru, L.V. (1978a)
globosum
Davey, R.J. (1970)
gracilium
Shaw Chenglong (1999b)
grande
Salujha, S.K., Srivastava, N.C. and Rawat, M.S. (1969)
gymnosuturum
Smith, S.W. (1992)
hannahii
Willumsen, P.S. (2011)
hemmoorensis
Marheinecke, U. (1992)
hillii
Merril, J.A. (1895)
horridum
Below, R. (1987b)
hyalodermopse
Cookson, I.C. and Eisenack, A. (1958)
hyalodermum
Deflandre, G. (1939b)
hymenohystrichum
Liu Zhili, Liu Xuexian and Zheng Yuefang, (1992)
hypornatum
Prauss, M. (1989)
inaequalis
Wall, D., Dale, B. and Harada, K. (1973)
indica
Jain, K.P., Kumar, P. and Maheshwari, H.K. (1982)
inflatum
Harker, S.D., Sarjeant, W.A.S. and Caldwell, W.G.E. (1990)
inflatum
Eisenack, A. and Cookson, I. (1960)
inornatum
Batten, D.J. and Lister, J.K. (1988)
japonicum
Matsuoka, K. (1983b)
lateraliprocessum
Srivastava, N.C. and Banerjee, D. (1969)
laticaudata
Vozzhennikova, T.F. (1967)
maculatum
Cookson, I.C. and Eisenack, A. (1961b)
maghribensis
Slimani, H., Louwye, S., Toufiq, A., Verniers, J. and de Coninck, J., (2008)
manumii
Matsuoka, K. and Bujak, J.P. (1988)
margaritiferum
Cookson, I.C. and Eisenack, A. (1960a)
marina
Kufferath, H. (1950)
micropunctatum
Jain, K.P. and Millepied, P. (1975)
mineralosum
Varma, C.P. and Dangwal, A.K. (1964)
minus
Biffi, U. and Manum, S.B. (1988)
minuta
De Coninck, J. (1969)
modicum
Brideaux, W.W. and McIntyre, D.J. (1975)
modicum ssp. denticulatum
Brideaux, W.W. (1977)
modicum ssp. modicum
Brideaux, W.W. and McIntyre, D.J. (1975)
mosaicum
Downie, C. (1957)
multicornutum
Kimyai, A. (1966)
multiplex
Wall, D. and Dale, B. (1968a)
nannotrix
Deflandre, G. (1939b)
neophytensum
Ioannides, N.S., Stavrinos, G.N and Downie, C. (1977)
obesum
Sütö-Szentai, M. (1982a)
oblongum
Yu Jingxian and Zhang Wangping (1980)
obscurum
Vieira, M., Casas-Gallego, M., Mahdi, S., Fenton, J. (2020)
oligacanthum
Wetzel, W. (1952)
orbifera
Klement, K.W. (1960)
orchiesense
De Coninck, J. (1975)
ordocaviopse
Iosifova, K. E. (1996)
ovalis
Cookson, I.C. and Eisenack, A. (1974)
ovatum
Horowitz, A. (1975)
ovum
Sah, S.C.D., Kar, R.K. and Singh, R.Y. (1970)
pallidum
Bujak, J.P. (1984)
paracostatum
Cookson, I.C. and Eisenack, A. (1974)
paradoxum
Wall, D. (1967)
paradoxum ssp. granulatum
Mao Shaozhi (1989)
paradoxum ssp. paradoxum
Wall, D. (1967)
parvireticulatum
Wilson, G.J. (1988)
patulum
Wall, D. (1967)
paucifurcatum
Cookson, I.C. and Eisenack, A. (1961b)
pecsvaradense
Sütö-Szentai, M. (1982a)
pengchiahsum
Shaw Chenglong (1999b)
perplexum
Varma, C.P. and Dangwal, A.K. (1964)
picena
Biffi, U. and Manum, S.B. (1988)
pilum
Gocht, H. (1959)
pirus
Deunff, J. (1959)
plagatum
Dodekova, L. (1994)
plicatum
Versteegh, G.J.M. and Zevenboom, D. (1995)
polyozum
Brosius, M. (1963)
polytrichum
Valensi, L. (1947)
raritanianum
Kimyai, A. (1966)
reductum
Stover, L.E. and Helby, R. (1987c)
reteinvolvatum
Below, R. (1987b)
reticulatum
Nagy, E. (1969)
rhomboidale
He Chengquan (1991)
rhombovale
Cookson, I.C. and Eisenack, A. (1970a)
rigidaseptatum
Slimani, H. (1994)
rioultii
Sarjeant, W.A.S. (1965)
sahii
Lentin, J.K. and Williams, G.L. (1993)
sarmentum
Davey, R.J. (1979b)
scabrosum
Slimani, H. (1994)
sekadensis
Slimani, H. et al. (2021)
semicirculata
Morgenroth, P. (1966b)
senii
Srivastava, N.C. and Banerjee, D. (1969)
sergipense
Regali, M.S.P., Uesugui, N. and Santos, Y.S. (1974)
setcheyense
Sarjeant, W.A.S. (1976c)
shangsicum
He Chengquan (1984b)
simplex
Mao Shaozhi (1989)
simplicium
Cookson, I.C. and Eisenack, A. (1961b)
simpulum
Islam, M.A. (1983a)
solidum
Versteegh, G.J.M. and Zevenboom, D. (1995)
sphaericum
Wall, D. (1967)
sphaericum
Horowitz, A. (1975)
spinipansatum
Merril, J.A. (1895)
spiralisetum
De Wit, R. (1943)
spongianum
Sütö-Szentai, M. (1985)
strialatum
Wall, D. (1967)
strigosa
Mantle, D.J. (2009b)
taiwanianum
Shaw Chenglong (1999b)
tectum
Biffi, U. and Manum, S.B. (1988)
tenella
Morgenroth, P. (1968)
tenera
De Coninck, J. (1975)
tenuicornutum
Cookson, I.C. and Eisenack, A. (1962b)
tenuifilum
Cookson, I.C. and Eisenack, A. (1982)
torsium
Stover, L.E. and Hardenbol, J. (1994)
tuberculatum
Vasilyeva, O.N. (2024)
variabile
He Chengquan (1991)
variaseptum
Marret, F. and de Vernal, A. (1997)
variospinum
Davey, R.J. (1969a)
varispinosa
Brenner, W. (1988)
velorum
Bujak, J.P. (1984)
veneziaense
Iakovleva, A.I. (2025)
verbinense
Deflandre, G. (1946a)
verrucosum
Brideaux, W.W. and McIntyre, D.J. (1975)
victorianum
Cookson, I.C. and Eisenack, A. (1965a)
wardii
Iakovleva, A.I., Heilmann-Clausen, C. (2021)
wetzelii
Morgenroth, P. (1966a)
wetzelii
Cookson, I.C. and Eisenack, A. (1982)
whitei
Sarjeant, W.A.S. (1966b)
wuqiaense
He Chengquan (1991)
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