Foraminifera taxon details
Laxifusulina Xia, 1983 †
1061644 (urn:lsid:marinespecies.org:taxname:1061644)
accepted
Genus
Pseudofusulina (Laxifusulina) proteiformis Xia, 1983 † accepted as Laxifusulina proteiformis (Xia, 1983) † (type by original designation)
Pseudofusulina (Laxifusulina) Xia, 1983 † · unaccepted (Nomen translatum Opinion of Xiao...)
Nomen translatum Opinion of Xiao et al. (1986)
marine, brackish, fresh, terrestrial
fossil only
feminine
(of Pseudofusulina (Laxifusulina) Xia, 1983 †) Xia, G.-y. (1983). 内蒙古毛里喷洪地区早二迭世的类化石 - Early Permian fusulinids from Maolipenhong region in Nei Mongol Zizhiqu. <em>中国地质科学院天津地质矿产研究所文集 - Bulletin of the Tianjin Institute of Geology and Mineral Resources, Chinese Academy of Geological Sciences.</em> 5[1982]: 133-147.
page(s): p. 136, 142 [details] Available for editors
[request]
page(s): p. 136, 142 [details] Available for editors
[request]
Description Description: Test elongate fusiform to subcylindrical with bluntly poles and undulating flanks. Proloculus spherical, quite...
Description Description: Test elongate fusiform to subcylindrical with bluntly poles and undulating flanks. Proloculus spherical, quite large. Whorls loosely coiled. Septal folding very strong in all the chambers. No tunnel, no axial filling, no cuniculi. Phrenothecae present and generally well-developed. Wall keriothecal, rugose, and thicker than the septa.
Occurrence: Late early Permian-Middle Permian of North China, South China and Yunnan (Xia, 1983; Zhou et al., 1987; Kobayashi & Ujimaru, 2000).
(Vachard in Krainer et al. (2019)). [details]
Occurrence: Late early Permian-Middle Permian of North China, South China and Yunnan (Xia, 1983; Zhou et al., 1987; Kobayashi & Ujimaru, 2000).
(Vachard in Krainer et al. (2019)). [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Laxifusulina Xia, 1983 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1061644 on 2026-04-20
Date
action
by
original description
(of Pseudofusulina (Laxifusulina) Xia, 1983 †) Xia, G.-y. (1983). 内蒙古毛里喷洪地区早二迭世的类化石 - Early Permian fusulinids from Maolipenhong region in Nei Mongol Zizhiqu. <em>中国地质科学院天津地质矿产研究所文集 - Bulletin of the Tianjin Institute of Geology and Mineral Resources, Chinese Academy of Geological Sciences.</em> 5[1982]: 133-147.
page(s): p. 136, 142 [details] Available for editors [request]
new combination reference Xiao, W.; Wang, H.; Zhang, L.; Dong, W. L. (1986). 贵州南部早二叠世地层及其生物群 - Early Permian stratigraphy and fauna in southern Guizhou. <em>贵阳 : 贵州人民出版社 - Guiyang: The People's Publishing House of Guizhou.</em> 1-364. [details] Available for editors [request]
page(s): p. 136, 142 [details] Available for editors
[request]new combination reference Xiao, W.; Wang, H.; Zhang, L.; Dong, W. L. (1986). 贵州南部早二叠世地层及其生物群 - Early Permian stratigraphy and fauna in southern Guizhou. <em>贵阳 : 贵州人民出版社 - Guiyang: The People's Publishing House of Guizhou.</em> 1-364. [details] Available for editors
[request]From editor or global species database
Description Description: Test elongate fusiform to subcylindrical with bluntly poles and undulating flanks. Proloculus spherical, quite large. Whorls loosely coiled. Septal folding very strong in all the chambers. No tunnel, no axial filling, no cuniculi. Phrenothecae present and generally well-developed. Wall keriothecal, rugose, and thicker than the septa.Occurrence: Late early Permian-Middle Permian of North China, South China and Yunnan (Xia, 1983; Zhou et al., 1987; Kobayashi & Ujimaru, 2000).
(Vachard in Krainer et al. (2019)). [details]
From editor or global species database
Image from typetaxon