Foraminifera source details
Herb, R. (1978). Some species of Operculina and Heterostegina from the Eocene of the Helvetic nappes of Switzerland and from Northern Italy. Eclogae Geologicae Helvetiae. 71: 745–767.
302470
Herb, R.
1978
Some species of Operculina and Heterostegina from the Eocene of the Helvetic nappes of Switzerland and from Northern Italy
Eclogae Geologicae Helvetiae
71: 745–767
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Heterostegina gracilis Herb, 1978 † (original description)
Heterostegina reticulata subsp. italica Herb, 1978 † (original description)
Heterostegina reticulata subsp. multifida (Bieda, 1950) † (new combination reference)
Heterostegina reticulata subsp. reticulata Rütimeyer, 1850 † (new combination reference)
Heterostegina reticulata subsp. italica Herb, 1978 † (original description)
Heterostegina reticulata subsp. multifida (Bieda, 1950) † (new combination reference)
Heterostegina reticulata subsp. reticulata Rütimeyer, 1850 † (new combination reference)