CATALOG OF ORIGINAL DESCRIPTIONS: Lilliputianella longorii Banner and Desai 1988
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 -> L -> Lilliputianella -> Lilliputianella longorii
Other pages this level: L. longorii
Banner and Desai 1988_4f11-12-568.jpg
NHMp52116-568.jpg
NHMp52117-568.jpg
Lilliputianella longorii
Citation: Lilliputianella longorii Banner and Desai 1988taxonomic rank: SpeciesType specimens: PI. 4, figs. 11-12.; P52116 & P52117Type age (chronostrat): Late Aptian, upper Leupoldina cabri zone (holotype, Sample 8103), and lower/middle Leupoldina cabri zone (paratypes, Sample 8109).Type locality: Speeton Cliff, Filey Bay, North Yorkshire, EnglandType repository: London, UK; NHM
Original Description 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 Wz 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 0.004 to 0.008 mm (mostly about 0.006 mm) diameter, distributed irregularly over the test surface. Etymology: In honour of Jose Francisco Longoria, Mexican Institute of Petroleum Technology and Exploration, Mexico, in recognition of his researches into Aptian-Albian planktonic foraminifera. Extra details from original publication Remarks. Lilliputianella longorii differs from L. semielongata (Hedbergella semielongata Longoria, 1974, p. 66, pl. 21, figs. 1-5; Globigerinelloides gottisi zone, Early Aptian, to lower Leupoldina cabri zone, earliest Late Aptian, northern Mexico) in its much less elongate, less clavate chambers and smaller umbilicus. L. longorii differs from L. labocaensis (Hedbergella labocaensis Longoria, 1974, p. 60, figs. 7-9, 22-24, from the “Hedbergella” gorbachikae zone to the H. trocoidae zone, Latest Aptian, northern Mexico) in its smaller umbilicus.
L. longorii does not have the rapid and extreme radial elongation of the later chambers of the last whorl which is so characteristic of Lilliputianella roblesae (Globigerina roblesae Obregon, 1959, p. 149, pi. 4, cabri zone, Mexico).
References:
Banner, F. T. & Desai, D. (1988). A review and revision of the Jurassic-Early Cretaceous Globigerinina,with especial reference to the Aptian assemblages of Speeton (North Yorkshire, England). Journal of Micropalaeontology. 7: 143-185. gs
Longoria, J. F. (1974). Stratigraphic, morphologic and taxonomic studies of Aptian planktonic foraminifera. Revista Española de Micropaleontología. Numero Extraordinario: 5-107. gs
Lilliputianella longorii compiled by the pforams@mikrotax project teamviewed: 10-12-2023
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Le Coze
144
Aug 2017
Le Coze
Lilliputianella longorii is the type species of Lilliputianella. From other sources (Moullade et al. (2002) fide https://es.wikipedia.org/wiki/Lilliputianella) Lilliputianella is said to be a junior synonym of Praehedbergella?
Jeremy Young
508
Jan 2017
Jeremy Young(UK)
Thanks that's another question for Brian though - I don't know if he is deliberately not following Moullade et al. or just hasn't revised this yet.
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Comments (2)
Lilliputianella longorii is the type species of Lilliputianella. From other sources (Moullade et al. (2002) fide https://es.wikipedia.org/wiki/Lilliputianella) Lilliputianella is said to be a junior synonym of Praehedbergella?
Thanks that's another question for Brian though - I don't know if he is deliberately not following Moullade et al. or just hasn't revised this yet.