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Callaiosphaeridium
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Description
Stratigraphy
Literature
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Species
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Name
Original Description
asymmetricum
Deflandre, G. and Courteville, H. (1939)
asymmetricum sensu davey 1982b
Davey, R.J. (1982b)
asymmetricum ssp. asymmetricum
Deflandre, G. and Courteville, H. (1939)
asymmetricum ssp. latum
Heilmann-Clausen, C. and Thomsen, E. (1995)
falsificum
Duxbury, S. (1977)
scabratum
Khowaja-Ateequzzaman and Garg, R., (2004a)
trycherium
Duxbury, S. (1980)
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