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Species Hastigerina micra Cole 1927



Discussion / Comments:
Bolli (1957):
With the exception of the Globorotalia palmerae zone, Hastigerina micra (Cole) occurs throughout the Navet and San Fernando formations but does not continue into the Oligocene Miocene Cipero formation. Glaessner (1937) changed the generic status of this species to Globigerinella which is now regarded as a junior synonym of Hastigerina (Bolli, Loeblich, and Tappan, 1957, p. 29).
Systematics:

24
 Genus Clavigerinella
  Genus Hastigerina
   Species Hastigerina micra
Synonym list:
Bolli (1957):
1927 Nonion micrus Cole. - Cole : p. 22 pl. 5, fig. 12
1937 Globigerinella micra Cole. - Glaessner : p. 30 pl. 1, figs. 4a-b
1957 Hastigerina micra Cole. - Bolli : p. 272 pl. 35, figs. 1a-2b
Was used in synonym list of:
Pseudohastigerina micra Cole 1927
References:

Cole,W.S. (1927):
A foraminiferal fauna from the Guabal Formation in Mexico . Bulletins of American paleontology Vol. 14 p. 1-46

Glaessner,M.F. (1937):
Studien über Foraminifern aus der Kreide und dem Teritär des Kaukasus . Probl. Paleontol., Moscow Univ. Lab. Paleontol.2-3 p. 349-410

Bolli,H.M. (1957):
Planktonic Foraminifera from the Eocene Navet and San Fernando formations of Trinidad, B.W.I. . Bull. U.S. natl. Mus. Vol. 215 p. 155-172

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