Browsing by Author "Tappan, Helen Niña"

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The foraminiferal genus Triplasia Reuss, 1854

Loeblich, Alfred R.; Tappan, Helen Niña (1952)
Morphology and taxonomy of the foraminiferal genus Pararotalia Le Calvez, 1949

Loeblich, Alfred R.; Tappan, Helen Niña (1957)
Revision of some glanduline Nodosariidae (Forminifera)

Loeblich, Alfred R.; Tappan, Helen Niña (1955)
Revision of some recent foraminiferal genera

Loeblich, Alfred R.; Tappan, Helen Niña (1955)
Studies of Arctic foraminifera

Loeblich, Alfred R.; Tappan, Helen Niña (1953)

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