Foraminifera taxon details

Mesorbitolina Schroeder, 1962 †

739378  (urn:lsid:marinespecies.org:taxname:739378)

accepted
Genus
Orbiqia Mamgain & Jagannatha Rao, 1962 † · unaccepted (Subjective junior synonym Opinion...)  
Subjective junior synonym Opinion of Loeblich & Tappan, 1987 [Mesorbitolina?]
Orbitolina (Columnorbitolina) B.G. Zhang, 1982 † · unaccepted (Subjective junior synonym Opinion...)  
Subjective junior synonym Opinion of Loeblich & Tappan, 1987
Tibetella Zhang, 1994 † · unaccepted > junior subjective synonym (Subjective junior synonym Opinion...)  
Subjective junior synonym Opinion of Schlagintweit and Le Coze (2023)

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  1. Species Mesorbitolina aperta (Erman, 1854) †
  2. Species Mesorbitolina birmanica (Sahni, 1937) †
  3. Species Mesorbitolina confusa (Pašić, 1962) †
  4. Species Mesorbitolina drasensis (Mamgain & Jagannatha Rao, 1962) †
  5. Species Mesorbitolina gregaria Zhang, 1994 †
  6. Species Mesorbitolina lhunzhubensis (Zhang, 1982) †
  7. Species Mesorbitolina lotzei (Schroeder, 1964) †
  8. Species Mesorbitolina subconcava (Leymerie, 1878) †
  9. Species Mesorbitolina texana (Roemer, 1849) †
  10. Species Mesorbitolina tibetica (Cotter, 1929) †
  11. Species Mesorbitolina xungbaensis Zhang, 1994 †
  12. Species Mesorbitolina zhangi Schlagintweit & Le Coze, 2023 †
  13. Species Mesorbitolina minuscula (Zhang, 1982) † accepted as Mesorbitolina parva (Douglass, 1960) † accepted as Mesorbitolina tibetica (Cotter, 1929) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Rao et al. (2015), Bidgood, Schlagintweit and Simmons (2024))
  14. Species Mesorbitolina oculata (Douglass, 1960) † accepted as Mesorbitolina texana (Roemer, 1849) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Bidgood, Schlagintweit and Simmons (2024))
  15. Species Mesorbitolina parva (Douglass, 1960) † accepted as Mesorbitolina tibetica (Cotter, 1929) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Schlagintweit and Le Coze (2023))
  16. Species Mesorbitolina pengboensis (Zhang, 1982) † accepted as Mesorbitolina tibetica (Cotter, 1929) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Schalagintweit and Le Coze (2023), Bidgood, Schlagintweit and Simmons (2024))
  17. Species Mesorbitolina pervia (Douglass, 1960) † accepted as Mesorbitolina birmanica (Sahni, 1937) † (unaccepted > junior subjective synonym, Subjective junior synonym Opinion of Schlagintweit (2024), Bidgood, Schlagintweit and Simmons (2024))
  18. Species Mesorbitolina tibetica (Zhang, 1994) † accepted as Mesorbitolina zhangi Schlagintweit & Le Coze, 2023 † (unaccepted > junior homonym, Secondary junior homonym of M. tibetica (Cotter, 1929))
marine, brackish, fresh, terrestrial
fossil only
feminine
(of Orbitolina (Mesorbitolina) Schroeder, 1962 †) Schroeder, R. (1962). Orbitolinen des Cenomans Südwesteuropas. <em>Paläontologische Zeitschrift.</em> 36(3-4): 171-202., available online at https://doi.org/10.1007/bf02986973
page(s): p. 181 [details]  Available for editors  PDF available [request] 
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Mesorbitolina Schroeder, 1962 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=739378 on 2024-09-15
Date
action
by
2013-09-04 09:28:16Z
created
2017-11-28 10:46:52Z
changed

original description  (of Orbitolina (Mesorbitolina) Schroeder, 1962 †) Schroeder, R. (1962). Orbitolinen des Cenomans Südwesteuropas. <em>Paläontologische Zeitschrift.</em> 36(3-4): 171-202., available online at https://doi.org/10.1007/bf02986973
page(s): p. 181 [details]  Available for editors  PDF available [request] 

original description  (of Orbitolina (Columnorbitolina) B.G. Zhang, 1982 †) Zhang, B. (1982). Orbitolina (foraminifera) from Xisang. Series of the Scientific Expedition to the Qinghai - Xisang Plateau. <em>Palaeontology of Xisang.</em> 4: 51-80 (in Chinese with English abstract).
page(s): p. 60, 77 [details]  Available for editors  PDF available [request] 

original description  (of Orbiqia Mamgain & Jagannatha Rao, 1962 †) Mamgain, V. D.,and B. R.Jagannatha Rao, 1962, A note on the orbitolines from Dras, J. and K. State, Indian Minerals, Geological Survey of India 16(2): 184-186.
page(s): p. 185 [details]   

original description  (of Tibetella Zhang, 1994 †) Zhang, B. (1994). 西藏阿里地区白垩纪圆笠虫类化石 - Cretaceous larger Foraminifera Orbitolinids from Ngari, Western Xizang (Tibet). <em>西藏日土地区二叠纪、侏罗纪、白垩纪地层及古生物. 南京:南京大学出版社 - Nanjing Institute of Geology and Palaeontology, Academia sinica.</em> [1991]: 68-87.
page(s): p. 75 (Chinese), p. 84 ( English). [details]  Available for editors  PDF available [request] 
From editor or global species database
Diagnosis Test a low cone to nearly discoidal, up to 12 mm in diameter, apex rounded to mammilate, large embryonic apparatus, with equally well-developed supra-and subembryonal zones, in contrast to the weakly developed subembryonal zone of Orbitolina, both sub-and supraembryonal chambers with marginal zone subdivided by numerous exoskeletal beams that are perpendicular to the outer walls, early postembryonic chambers rectilinear, low, and discoidal, marginal zone subdivided by radial beams of two or three orders and by horizontal rafters, resulting in the formation of numerous rectangular chamberlets, welldeveloped radial zone of continuing first order beams that thicken rapidly at the junction of the marginal and radial zones, becoming triangular in section and zigzag in plan, central zone with thinner and flatter beams that are discontinuous because of the large number of pores in the central area, central zone may be lacking in later chambers that are annular rather than discoidal; wall of fine silt-to claysized agglutinated particles, with some large calcite grains; small apertural pores lie in reentrants in the main beams in the radial zone, become more numerous inward to the junction with the central zone, and are abundant in the central zone. L. Cretaceous (Albian) to U. Cretaceous (L. Cenomanian); USA: Texas; Spain; Italy; Yugoslavia; China: Tibet; India. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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