CATALOG OF ORIGINAL DESCRIPTIONS: Hedbergella libyca Barr 1972

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 -> H -> Hedbergella -> Hedbergella libyca
Other pages this level: << < H. bornholmensis, H. brittonensis, H. costellata, H. excelsa, H. flandrini, H. gorbachikae, H. hiltermanni, H. hispaniae, H. holmdelensis, H. implicata, H. intermedia, H. kuhryi, H. kyphoma, H. labocaensis, H. lata, H. libyca, H. luterbacheri, H. maslakovae, H. murphyi, H. occulta, H. praelibyca, H. praelippa, H. praetrocoidea, H. pseudotrocoidea, H. punctata, H. quadrata, H. rischi, H. semielongata, H. sigali, H. similis, H. sliteri> >>

Hedbergella libyca

Citation: Hedbergella libyca Barr 1972
Rank: Species
Type locality: Depth interval of 110-120 ' in a shallow core hole drilled on the south side of the Susa-Derna road about 400' east of the police station in the village of Ras al Hilal, Marsa al Hilal area, northern Cyrenaica, Libyca.
Type age (chronostrat): Lower Cenomanian, Rotalipora appenninica Zone
Type sample (& lithostrat): lower Hilal Shale
Type specimens: 167903
Type repository: Washington; USNM

Linked specimens: USNM-167903 USNM-186370

Current identification/main database link: Paracostellagerina libyca (Barr, 1972)


Original Description
"Test biconvex, low trochospiral, evolute, umbilicate, consisting of 3-31/2 whorls; equatorial periphery subcircular, moderately lobulate. Chambers globular, 5-7 (usually 6) in final whorl, uniformly and rapidly increasing in size. Sutures depressed, straight, radial. Umbilicus moderately broad. Aperture an interiomarginal, extraumbilical-umbilical, low arch bordered by well-developed portici. Wall calcareous perforate. Surface strongly rugose, becoming less rugose or hispid on final one or two chambers. Coiling predominantly dextral. Average maximum diameter 0.46 mm."

References:

Barr, F. T. (1972a). Cretaceous biostratigraphy and planktonic foraminifera of Libya. Micropaleontology. 18(1): 1-46. gs


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Hedbergella libyca compiled by the pforams@mikrotax project team viewed: 27-10-2020

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