This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Linked specimens: USNM-5045 USNM-5044 USNM-5046
Current identification/main database link: Praemurica inconstans (Subbotina 1953)
Original Description
Shape of test very low trochospiral, inflated; equatorial periphery lobate; axial periphery rounded. Wall calcareous, perforate, surface smooth, in early chambers often slightly rugose. Chambers globular; 14-18, arranged in 2-2½ whorls, the 5-7 chambers of the last whorl increasing slowly in size. Sutures on spiral side radial, depressed; on umbilical side radial, depressed. Umbilicus fairly wide, open. Aperture a low arch, with a thin, liplike flap in well preserved specimens; interiomarginal, extraumbilical-umbilical. Coiling random
Size: Largest diameters of figured types 0.40-0.43 mm.
Extra details from original publication
Remarks: Globorotalia trinidadensis Bolli, new species, differs from G. pseudobulloides (Plummer) in its larger size and in having more chambers in the final whorl. Early chambers often show a rugose surface.
Bolli, H. M. (1957d). The genera Globigerina and Globorotalia in the Paleocene-Lower Eocene Lizard Springs Formation of Trinidad. In, Loeblich, A. R. , Jr., Tappan, H., Beckmann, J. P., Bolli, H. M., Montanaro Gallitelli, E. & Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin. 215: 61-82. gs V OReferences:
![]() |
Globorotalia trinidadensis compiled by the pforams@mikrotax project team viewed: 5-3-2021
Short stable page link: https://mikrotax.org/pforams/index.php?id=131298 Go to Archive.is to create a permanent copy of this page - citation notes |