pforams@mikrotax - Dentoglobigerina globosa

arrayname: original

pforams@mikrotax - Dentoglobigerina globosa pforams@mikrotax - Dentoglobigerina globosa

Dentoglobigerina globosa

Classification: pf_cenozoic -> Globigerinidae -> Dentoglobigerina -> Dentoglobigerina globosa
Sister taxa: D. juxtabinaiensis, D. binaiensis, D. sellii, D. tapuriensis ⟩⟨ D. baroemoenensis, D. larmeui, D. galavisi ⟩⟨ D. altispira, D. globosa, D. globularis ⟩⟨ D. prasaepis, D. pseudovenezuelana, D. taci, D. tripartita, D. eotripartita, D. venezuelana, D. sp.

K_S 1983 46-7.JPG
Olig Atlas pl11-06 04 12.JPG
Olig Atlas pl11-06 09-10.JPG
Olig Atlas pl11-06 14-16.JPG
Olig Atlas pl11-06 08.JPG
Olig Atlas pl11-06 11.JPG
Olig Atlas pl11-06 13.JPG

Taxonomy

Citation: Dentoglobigerina globosa (Bolli, 1957)

Taxonomic rank: species

Basionym: Globoquadrina altispira globosa Bolli, 1957

Synonyms:

(Note: This synonymy list is restricted to taxonomically important works and Oligocene occurrences)

Globoquadrina altispira globosa Bolli, 1957:111, pl. 24, figs. 9a-10c [lower Miocene Catapsydrax dissimilis Zone, Cipero Fm., Trinidad].—Stainforth and others, 1975:245, 248, fig. 101, no. 1-5 [lower Miocene Catapsydrax dissimilis Zone, Cipero Fm., Trinidad], fig. 101, no. 6a-c (reproduction of holotype of Globoquadrina altispira globosa Bolli from Bolli, 1957, pl. 24, fig. 9a-c.), fig. 101, no. 7a-c (reproduction from Blow, 1959, pl. 11, fig. 52a-c).
Dentoglobigerina altispira globosa (Bolli).—Kennett and Srinivasan, 1983:89 (partim), pl. 44, fig. 4, pl. 46, figs. 7, 9 [lower Miocene Zone N8, DSDP Site 289, western equatorial Pacific Ocean] (not pl. 46, fig. 8 = Dentoglobigerina altispira).—Spezzaferri and Premoli Silva, 1991:237, pl. 3, fig. 4a-c [upper Oligocene Zone P22, DSDP Hole 538A, Gulf of Mexico].—Spezzaferri, 1994:40, pl. 40, fig. 3 [upper Oligocene Subzone P21b, ODP Hole 709B, Mascarene Plateau, equatorial Indian Ocean].
Globoquadrina pozonensis Blow, 1959:184-185, pl. 10, figs. 54a-56 [? Pliocene Globigerina bulloides Zone, Pozón Fm., Venezuela].
Dentoglobigerina cf. D. altispira (Bolli).—Chaisson and Leckie, 1993:155, pl. 9, fig. 12 [lower Miocene Zone N5, ODP Hole 806B, Ontong Java Plateau, western equatorial Pacific Ocean].

Taxonomic discussion:

The holotype of D. globosa is from the lower Miocene, and Bolli’s original concept was that globosa was a more globular subspecies of D. altispira. The paratype (Pl. 11.6, Figs. 5-7) appears to be a juvenile specimen and may not belong to this species. Fleisher (1974) suggested that D. globosa was the ancestral form to altispira, and was itself derived from globularis in the Oligocene. We regard Globoquadrina pozonensis Blow as a junior synonym. [Wade et al. 2018]

Catalog entries: Globoquadrina altispira globosa, Globoquadrina pozonensis

Type images:

holotype: G. altispira globosa
holotype: G. altispira globosa
holotype: G. altispira globosa
paratype: G. altispira globosa

Distinguishing features:
Parent taxon (Dentoglobigerina): Trochospiral test with umbilically restricted aperture and usually one or more umbilical teeth
This taxon: Like D. globularis but with 5-6 chambers in the final whorl leading to a more lobulate outline; also wider umbilicus.

NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus.
They are being edited as the site is developed and comments on them are especially welcome.

Description

Diagnostic characters:

This species is distinguished from D. globularis by having more chambers in the final whorl leading to a more lobulate outline, a wider umbilicus, and from D. altispira by its more rounded chambers. [Wade et al. 2018]

Morphology:

Moderately elevated trochospiral, globular, lobulate; in spiral view 5-6 globular, slightly embracing chambers in final whorl increasing slowly in size, ultimate chamber may be reduced in size, sutures straight, moderately depressed; in umbilical view 5-6 globular, slightly embracing chambers in final whorl increasing slowly in size, may have a reduced final chamber, umbilicus open, medium size, aperture umbilical, usually bordered by a sharp triangular shaped umbilical tooth, sutures straight, moderately depressed; in edge view very moderately elevated trochospiral, oval, rounded in outline. [Wade et al. 2018]

Wall type:

K_S 1983 44-4.JPG

Cancellate, probably spinose in life.

Size:

Maximum diameter of holotype 0.44 mm, minimum diameter 0.39 mm, thickness 0.32 mm. [Wade et al. 2018]

Character matrix
test outline: Lobate chamber arrangement: Trochospiral edge view: Spiroconvex aperture: Umbilical
sp chamber shape: Globular coiling axis: High periphery: N/A aperture border: Teeth
umb chbr shape: Globular umbilicus: Wide periph margin shape: Broadly rounded accessory apertures: None
spiral sutures: Moderately depressed umb depth: Deep wall texture: Cancellate shell porosity: Finely Perforate: 1-2.5µm
umbilical or test sutures: Strongly depressed final-whorl chambers: 5-6 N.B. These characters are used for advanced search. N/A - not applicable

Biogeography and Palaeobiology

Geographic distribution

Widespread in low to mid-latitudes, but more common at low latitudes (Spezzaferri, 1994). [Wade et al. 2018]

Isotope paleobiology

No data available. [Wade et al. 2018]

Phylogenetic relations

Descended from D. globularis and ancestral to D. altispira according to Fleisher (1974) and various subsequent authors. [Wade et al. 2018]

Most likely ancestor: Dentoglobigerina globularis - at confidence level 4 (out of 5). Data source: Wade et al. 2018.
Likely descendants: Dentoglobigerina altispira; plot with descendants

Biostratigraphic distribution

Geological Range:
Notes: According to Fleisher (1974) this species first appeared in Zone P21. The oldest confirmed illustrated occurrence is from Spezzaferri (1994) from Subzone P21b (Zone O5). It persists through much of the Miocene and possibly part of the Pliocene (e.g., Chaisson and Leckie, 1993); the highest occurrence has not been determined in this study. [Wade et al. 2018]
Last occurrence (top): within Early Pliocene Sub-Epoch (3.60-5.33Ma, top in Zanclean stage). Data source: Kennett & Srinivasan 1983 f20
First occurrence (base): within O5 zone (26.93-28.09Ma, base in Chattian stage). Data source: Wade et al. 2018 f11.1

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Dentoglobigerina globosa, synonyms included - Dentoglobigerina altispira globosa; Dentoglobigerina globosa; Globoquadrina altispira globosa;
See also space-time plot :: Samples map :: Parent: Dentoglobigerina

Primary source for this page: Wade et al. 2018 - Olig Atlas chap.11 p.348; Kennett& Srinivasan 1983 p 189

References:

Blow, W. H. (1959). Age, correlation, and biostratigraphy of the upper Tocuyo (San Lorenzo) and Pozon Formations, eastern Falcon, Venezuela. Bulletins of American Paleontology. 39(178): 67-251. gs

Bolli, H. M. (1957b). Planktonic foraminifera from the Oligocene-Miocene Cipero and Lengua formations of Trinidad, B.W.I. 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: 97-123. gs

Chaisson, W. P. & Leckie, R. M. (1993). High-resolution Neogene planktonic foraminifer biostratigraphy of Site 806, Ontong Java Plateau (Western Equatorial Pacific). Proceedings of the Ocean Drilling Program, Scientific Results. 130: 137-178. gs

Fleisher, R. L. (1974a). Cenozoic planktonic foraminifera and biostratigraphy, Arabian Sea, Deep Sea Drilling Project, Leg 23A. Initial Reports of the Deep Sea Drilling Project. 23: 1001-1072. gs O

Kennett, J. P. & Srinivasan, M. S. (1983). Neogene Planktonic Foraminifera. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania. 1-265. gs

Spezzaferri, S. & Premoli Silva, I. (1991). Oligocene planktonic foraminiferal biostratigraphy and paleoclimatic interpretation from Hole 538A, DSDP Leg 77, Gulf of Mexico. Palaeogeography Palaeoclimatology Palaeoecology. 83: 217-263. gs

Spezzaferri, S. (1994). Planktonic foraminiferal biostratigraphy and taxonomy of the Oligocene and lower Miocene in the oceanic record. An overview. Palaeontographia Italica. 81: 1-187. gs

Stainforth, R. M., Lamb, J. L., Luterbacher, H., Beard, J. H. & Jeffords, R. M. (1975). Cenozoic planktonic foraminiferal zonation and characteristics of index forms. University of Kansas Paleontological Contributions, Articles. 62: 1-425. gs O

Wade, B. S., Pearson, P. N., Olsson, R. K., Fraass, A. J., Leckie, R. M. & Hemleben, C. (2018c). Taxonomy, biostratigraphy, and phylogeny of Oligocene and Lower Miocene Dentoglobigerina and Globoquadrina. In, Wade, B. S., Olsson, R. K., Pearson, P. N., Huber, B. T. & Berggren, W. A. (eds) Atlas of Oligocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 46(Chap 11): 331-384. gs

Dentoglobigerina globosa compiled by the pforams@mikrotax project team viewed: 21-4-2025

Taxon Search:

Advanced Search

Short stable page link: https://mikrotax.org/pforams/index.php?id=104373 Go to Archive.is to create a permanent copy of this page - citation notes

Add Comment

Comments

No comments yet. Be the first!

test outline:	Lobate	chamber arrangement:	Trochospiral	edge view:	Spiroconvex	aperture:	Umbilical
sp chamber shape:	Globular	coiling axis:	High	periphery:	N/A	aperture border:	Teeth
umb chbr shape:	Globular	umbilicus:	Wide	periph margin shape:	Broadly rounded	accessory apertures:	None
spiral sutures:	Moderately depressed	umb depth:	Deep	wall texture:	Cancellate	shell porosity:	Finely Perforate: 1-2.5µm
umbilical or test sutures:	Strongly depressed	final-whorl chambers:	5-6	N.B. These characters are used for advanced search. N/A - not applicable