Taxon Concept provided by
  Home |   Search
 
   TaxonConcept data set details:
 
 
Back to Search
.
Anonymous: Unedited TaxonConcept data
Notice: This catalogue page may contain unedited data.
To find validated information on this taxon please visit the following project pages:

Species Lilliputianella longorii Banner & Desai 1988


Diagnosis / Definition:
Banner & Desai (1988):
The test is a low trochospire with five to six chambers in the last whorl. The last two or three chambers increase rapidly in height to become l 1/2 to twice as high as broad in umbilical view, and ovoid in form, being bluntly rounded or pointed conical at their distal ends. The greatest breadth of each chamber is at the distal end of each intercameral suture. On the umbilical side, the intercameral sutures are straight but are slightly oblique to the test radius, especially between the earlier chambers. The umbilicus is deep but narrow, in breadth being about 10% to 12% of the maximum test diameter. The umbilical-extraumbilical aperture is a low slit, furnished with a narrow porticus; relict apertures and portici are visible within the umbilicus for the latter half of the final whorl. The surface of the test is smooth except occasionally for irregular, scattered, rounded, blunt pustules around the umbilical margin; the surface is penetrated by scattered perforations of 0.4 to 0.8;u.m (mostly about 0.6µm) diameter, distributed irregularly over the test surface.
Discussion / Comments:
Boudagher-Fadel et al. (1997):
Remarks: This species has five to six chambers in the last whorl; the early periphery is rounded but the last two or three chambers increase rapidly in height to become one and a half to twice as high as long in umbilical view, and ovoid in form, being bluntly rounded or conical at their distal ends. The umbilicus is deep but narrow, in breadth being about 10-12% of the maximum test diameter. The aperture is in an umbilical-extraumbilical slit, furnished with a narrow porticus.
Systematics:

22
 Superfamilia Globigerinaceae
  Familia Praehedbergellidae
   Subfamilia Praehedbergellinae
    Genus Lilliputianella
     Species Lilliputianella longorii
Synonym list:
Banner & Desai (1988):
1988 Lilliputianella n sp. longorii Banner & Desai. - Banner & Desai : 158, 159 pl 4 figs 11-12
Boudagher-Fadel et al. (1997):
1988 Lilliputianella longorii Banner & Desai. - Banner & Desai : p. 165-168 pl. 4; fig. 11, 12
1993 Lilliputianella eocretacea Neagu. - Banner et al. : p.15 pl. 6, fig. 8; pl. 8, fig. 7a-c (non Clavihedbergella eocretacea Neagu, 1975)
1994 Clavihedbergella eocretacea Neagu. - Coccioni & Premoli Silva : p. 669, 670 fig. 9, 10-18 (non Neagu 1975)
1997 Lilliputianella longorii Banner & Desai. - Boudagher-Fadel et al. : p.171 pl. 9.2; fig. 4-6; Figure: 9.1
Was used in synonym list of:
Praehedbergella longorii Banner & Desai 1988
References:

Banner,F.T. and Desai,D. (1988):
A review and revision of the Jurassic-Early Cretaceous Globigerinina, with special reference to the Aptian assemblages of Speeton (North Yorkshire, England) . J. micropalaeontol. Vol. 7(2) p. 143-185

Banner,F.T.; Copestake,P.. and White,M.R.. (1993):
Barremian-Aptian Praehedbergellidae of the North Sea area: a reconnaissance . Bulletin of The Natural History Museum, London (Geology) Vol. 49 p. 1-30

Coccioni,R. and Premoli Silva,I. (1994):
Planktonic foraminifera from the Lower Cretaceous of Rio Argos sections (southern Spain) and biostratigraphic implications . Cretaceous Research Vol. 15 p. 645–687

Boudagher-Fadel,M.K.; Banner,F.T.; Whittaker,J.E. and Simmons,M.D. (1997):
Early Evolutionary History of Planktonic Foraminifera. Vol. 1
Anonymous: Unedited TaxonConcept data
Creative Commons Attribution 2.5 License
This work is licensed under a Creative Commons Attribution 2.5 License.
Back to Search
Taxon relations
pdf
Ranking (experimental)