CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides elongata (d'Orbigny) subsp. cedrosensis McCulloch 1977

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 elongata cedrosensis
Other pages this level: G. altiaperturus praealtiaperturus, G. apertasuturalis, G. bannerblowi, G. bispherica, G. bollii, G. bradyi grandis, G. bulloideus, G. cancellata, G. canimarensis, G. conglobatus altihelix, G. consuelensis, G. diminuta, G. dinapolii, G. elongata bikiniensis, G. elongata cedrosensis, G. emeisi, G. eoconglobatus, G. fournieri, G. fragilis, G. glomerosa, G. glomerosa circularis, G. glomerosa curva, G. glomerosa glomerosa, G. haitiensis anterubra, G. haitiensis compactus, G. haitiensis compressus, G. haitiensis epityche, G. haitiensis praerubra, G. haitiensis progomitulus, G. higginsi> >>

Globigerinoides elongata cedrosensis

Citation: Globigerinoides elongata (d'Orbigny) subsp. cedrosensis McCulloch 1977
Rank: sub-species
Type locality: Holotype (fig. 1) in shal low wa ter on Sta tion 225, east side of Isla Cedros, Mexico; hypotype (fig. 3), in 180 fms. on Station 80, off Long Point, Catalina Island, California.
Type age (chronostrat): Recent.
Type specimens: holotype (fig. 1), AHF 2548; hypotype (fig. 3), AHF 2549.
Type repository: Los Angeles, Univ Southern California, Allan Hancock Foundation

Current identification:


Original Description
Test free, calcareous, cone-shaped, trochoid with a high spire, periphery lobulate rounded; wall some what semihyaline finely punctate reticulate spinous; about three whorls of three irregular semiglobose chambers gradually increasing in size to form a high spire; sutures depressed primary aperture in form of a low arch at base of last formed chamber with a smaller secondary one on the opposite side at the suture; apertural lip narrow, smooth. 

Size: Holotype (fig. 1) 0.498mm dia. x 0.415mm; hypotype (fig. 3?) 0.581mm dia. x 0.415mm.

Extra details from original publication
The specimen illustrated in fig. 3 has been included with a question. It presents a thicker wall and thus far no secondary apertures have been observed. Globigerina elongata d’Orbigny, 1826, is sketched and without a description. The sketches show a high spired form, the possibility of about three whorls with three chambers in the last whorl. The aperture is similar also. The present form differs from d’Orbigny’s type figures in showing a longer spire with more globose chambers.

References:

McCulloch, I. A. (1977). Qualitative observations on Recent foraminiferal tests with emphasis on the eastern Pacific (3 vols). University of Southern California, Los Angeles. -. gs


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Globigerinoides elongata cedrosensis compiled by the pforams@mikrotax project team viewed: 15-5-2021

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