Foraminifera source details
Michael, E. (1966). Die Evolution der Gavelinelliden (Foram.) in der NW-deutschen Unterkreide. - Senckenb. Lethaea,47: 411–459.
404196
Michael, E.
1966
Die Evolution der Gavelinelliden (Foram.) in der NW-deutschen Unterkreide. - Senckenb. Lethaea,47: 411–459
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Gavelinopsis berthelini (Keller, 1935) † accepted as Berthelina berthelini (Keller, 1935) † (new combination reference)
Gavelinopsis cenomanica (Brotzen, 1945) † accepted as Berthelina cenomanica (Brotzen, 1945) † (new combination reference)
Gavelinopsis cenomanica (Brotzen, 1945) † accepted as Berthelina cenomanica (Brotzen, 1945) † (new combination reference)