Catalog - Globigerinoides sacculiferus irregularis Catalog - Globigerinoides sacculiferus irregularis

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides sacculiferus irregularis LeRoy 1944

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.


Higher levels: pf_cat -> G -> Globigerinoides -> Globigerinoides sacculiferus irregularis
Other pages this level: << < G. pseudosellii, G. quadrilobatus hystricosus, G. quadrilobatus praeimmaturus, G. quadrilobatus primordius, G. ruber albus, G. ruber parkeri, G. rublobatus, G. rubra seigliei, G. rubriformis, G. sacculifer brachysacculifer, G. sacculifer minimus, G. sacculifer spinulosus, G. sacculifera subsacculifera, G. sacculiferoides, G. sacculiferus immatura, G. sacculiferus irregularis, G. semiinvoluta, G. semiinvolutus, G. sicanus, G. sicanus praesicanus, G. subconglobatus micra, G. subconglobatus subconglobata, G. subquadrata, G. subquadratus praesubquadratus, G. subquadratus subelongatus, G. suleki, G. tapiesi, G. tenella, G. transitoria, G. triloba altiapertura, G. triloba aspera> >>

Globigerinoides sacculiferus irregularis

Citation: Globigerinoides sacculiferus irregularis LeRoy 1944
Taxonomic rank: sub-species
Type age (chronostrat): ambiguous: Lower and middle Miocene, Telisa formation, or middle Miocene, Lower Palembang formation
Type locality: Not designated. Localities given: KL-601 (figs. 42-43) and KL-611 (figs. 45-46), in the foothill region on the south flank of Boekoet Kelam, east o1 Pasir Pengarajan, and between the rivers Rokan Kanan and Rokan Kiri, central Sumatra, Netherlands Indies.
Type repository: Medan, Sumatra; Deposited in the micropaleontologic collections of the Nederlandsche Pacific Petroleum Maatschappij, Medan, Sumatra. Representative specimens filed in the micropaleontologic collection of the Colorado School of Mines, Golden, Colo .

Current identification:


Original Description

The variety differs from the original by exhibiting extreme irregularity of chamber growth.

Size:
Dimensions: (Pl. 3 figs. 42, 43) Length 0.64 mm. height 0.51 mm. Cotypes (Pl. 6, figs. 45. 46) Length 0.55 mm., height 0.44 mm

Extra details from original publication
The form is found most prevalently in the Telisa. It is exceptionally scarce in the Lower Palembang.

References:

LeRoy, L. W. (1944b). Miocene foraminifera from Sumatra and Java, Netherlands East Indies, part 1. Miocene foraminifera of central Sumatra, Netherlands East Indies. Colorado School of Mines Quarterly. 39(3): 1-69. gs


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Globigerinoides sacculiferus irregularis compiled by the pforams@mikrotax project team viewed: 13-8-2026

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