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Helen Tappan
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Journal Article

Implications of wall composition and structure in agglutinated foraminifers Free

Alfred R. Loeblich, Helen Tappan
Published: 01 November 1989
Journal of Paleontology (1989) 63 (6): 769–777.
Add to Citation Manager for Implications of wall composition and structure in agglutinated foraminifers
Journal Article

Foraminiferal evolution, diversification, and extinction Free

Helen Tappan, Alfred R. Loeblich
Published: 01 September 1988
Journal of Paleontology (1988) 62 (5): 695–714.
Add to Citation Manager for Foraminiferal evolution, diversification, and extinction
Journal Article

Phytoplankton; below the salt at the global table Free

Helen Tappan
Published: 01 May 1986
Journal of Paleontology (1986) 60 (3): 545–554.
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Journal Article

The vicissitudes of Vissariotaxis (Foraminiferida) Free

Alfred R. Loeblich, Helen Tappan
Published: 01 July 1984
Journal of Paleontology (1984) 58 (4): 1156–1158.
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Journal Article

Some new proteinaceous and agglutinated genera of Foraminiferida Free

Alfred R. Loeblich, Helen Tappan
Published: 01 July 1984
Journal of Paleontology (1984) 58 (4): 1158–1163.
Add to Citation Manager for Some new proteinaceous and agglutinated genera of Foraminiferida
Journal Article

Annotated index and bibliography of the calcareous nannoplankton VII Free

Alfred R. Loeblich, Helen Tappan
Published: 01 July 1973
Journal of Paleontology (1973) 47 (4): 715–759.
Add to Citation Manager for Annotated index and bibliography of the calcareous nannoplankton VII
Journal Article

New observations of the ultrastructure of Asketopalla, an Ordovician acritarch Free

Alfred R. Loeblich, Helen Tappan
Published: 01 September 1971
Journal of Paleontology (1971) 45 (5): 899–901.
Add to Citation Manager for New observations of the ultrastructure of Asketopalla, an Ordovician acritarch
Journal Article

Annotated index and bibliography of the calcareous nannoplankton, IV Free

Alfred R. Loeblich, Helen Tappan
Published: 01 May 1970
Journal of Paleontology (1970) 44 (3): 558–574.
Add to Citation Manager for Annotated index and bibliography of the calcareous nannoplankton, IV
Journal Article

Annotated index and bibliography of the calcareous nannoplankton III Free

Alfred Loeblich, Helen Tappan
Published: 01 March 1969
Journal of Paleontology (1969) 43 (2): 568–588.
Add to Citation Manager for Annotated index and bibliography of the calcareous nannoplankton III
Journal Article

Lorica composition of modern and fossil Tintinnida (ciliate Protozoa), systematics, geologic distribution, and some new Tertiary taxa Free

Helen Tappan, Alfred R. Loeblich
Published: 01 November 1968
Journal of Paleontology (1968) 42 (6): 1378–1394.
Add to Citation Manager for Lorica composition of modern and fossil Tintinnida (ciliate Protozoa), systematics, geologic distribution, and some new Tertiary taxa
Journal Article

Chitinozoan classification Free

Helen Tappan
Published: 01 November 1966
Journal of Paleontology (1966) 40 (6): 1394–1396.
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Journal Article

On terminations used in suprageneric classification of the Rhizopodea; a reply Free

Alfred R. Loeblich, Helen Tappan
Published: 01 July 1962
Journal of Paleontology (1962) 36 (4): 839–840.
Add to Citation Manager for On terminations used in suprageneric classification of the Rhizopodea; a reply
Journal Article

Type localities of some American Cretaceous foraminiferal genotype species described by Ehrenberg Free

Alfred R. Loeblich, Helen Tappan
Published: 01 March 1962
Journal of Paleontology (1962) 36 (2): 352–354.
Add to Citation Manager for Type localities of some American Cretaceous foraminiferal genotype species described by Ehrenberg