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Pseudofusulina

Schwagerinidae

Taxonomy
Pseudofusulina was named by Dunbar and Skinner (1931) [Sepkoski's age data: P Asse-l P Leon-u Sepkoski's reference number: 146].

It was assigned to Pseudofusulinidae by Leven (1992), Leven (1995); to Foraminiferida by Sepkoski (2002); to Schwagerininae by Loeblich and Tappan (1984), Ueno et al. (2006); to Schwagerinidae by Forke (2002), Kobayashi and Altiner (2008), Huang et al. (2009); and to Pseudofusulininae by Ueno et al. (2005), Ueno et al. (2009), Ueno et al. (2011), Zhang et al. (2013).

Species
P. accepta, P. acuta, P. acuta, P. ambigua, P. amoena, P. andina, P. annae, P. ardua, P. atetsensis, P. attenuata, P. blochini, P. bornemani, P. brevis, P. cabudcuensis, P. callosa, P. concisa, P. contracta, P. decora, P. dissimilis, P. distorta, P. dunbari, P. dutkevitchi, P. dzamantalensis, P. edelshteini, P. edoensis, P. elleryensis, P. exigua, P. eximia, P. explicata, P. extensa, P. fistulus, P. fukasensis, P. fusiformis, P. gachalensis, P. gregaria, P. gundaraensis, P. incomparabilis, P. ingenenta, P. isomie, P. jucunda, P. juncea, P. kalmardensis, P. kraffti, P. kueichihensis, P. kushanica, P. kutkanensis, P. lassula, P. laxa, P. loringi, P. lutuginiformis, P. macilenta, P. mediotenebraeus, P. meeki, P. meloformata, P. mikhailovi, P. minitumidiscula, P. minor, P. minuta, P. modesta, P. monstrosa, P. moranensis, P. murotbekovi, P. niouensis, P. nishiwarensis, P. oingaronica, P. pamirensis, P. panjiensis, P. plana, P. plicatissima, P. postcallosa, P. posthuecoensis, P. powwowensis, P. prehuecoensis, P. pseudodunbari, P. pseudopointeli, P. pseudovulgaris, P. rara, P. rarus, P. rasuvilcensis, P. regularis, P. retusa, P. rhombiformis, P. robleda, P. rugosus, P. rutschi, P. saratovensis, P. siarykensis, P. solita, P. soluta, P. spissa, P. subnathorsti, P. sulcatiformis, P. tenuis, P. tenuitheca, P. tomacula, P. truncatus, P. urdalensis
Species lacking formal opinion data
P. anachrona, P. australis, P. busulukensis, P. chihsiaensis, P. chihsiaensis, P. composita, P. dainelli, P. delicata, P. devexa, P. elegans, P. ellipsoides, P. fistula, P. globosa, P. hisamatsui, P. ikiensis, P. intumescens, P. japonica, P. kueichowensis, P. kumasoana, P. longitermina, P. lutuginiformis, P. lutuginiformis, P. malkovsky, P. netkatchensis, P. nux, P. ordinata, P. orenburgensis, P. padangensis, P. parachihsaiensis, P. parachihsiaensis, P. paragregaria, P. paragregaria, P. paragregaria, P. paratschernyschewi, P. pseudochihsiaensis, P. quasifusiformis, P. quasiregularis, P. sakmarensis, P. tienchiaensis, P. uenoensis, P. vulgaris, P. yunnanensis
Entered
by J. Sepkoski on 2003-01-23; modified by S. Richardson on 2017-01-22

Synonymy list
YearName and author
1931Pseudofusulina Dunbar and Skinner pp. 252-253 figs. Pl. 1, figs. 3-6a
1984Pseudofusulina Loeblich and Tappan
1992Pseudofusulina Leven p. 95
1995Pseudofusulina Leven p. 246
2002Pseudofusulina Forke p. 243
2002Pseudofusulina Sepkoski
2005Pseudofusulina Ueno et al. p. 265
2006Pseudofusulina Ueno et al. p. 60
2008Pseudofusulina Kobayashi and Altiner p. 209
2009Pseudofusulina Huang et al. p. 886
2009Pseudofusulina Ueno et al. p. 50
2011Pseudofusulina Ueno et al. p. 32
2013Pseudofusulina Zhang et al. p. 533

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderFusulinina(Wedekind 1937)
RankNameAuthor
superfamilyFusulinoidea(Möller 1878)
familySchwagerinidaeDunbar and Henbest 1930
subfamilyPseudofusulininae(Dutkevich 1934)
genusPseudofusulinaDunbar and Skinner 1931

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Pseudofusulina Dunbar and Skinner 1931
show all | hide all
†Pseudofusulina accepta Skinner and Wilde 1965
†Pseudofusulina acuta Zhou 1982
†Pseudofusulina acuta Skinner and Wilde 1965
†Pseudofusulina ambigua Deprat 1913
†Pseudofusulina amoena Skinner and Wilde 1965
†Pseudofusulina andina Roberts 1949
†Pseudofusulina annae Leven 1967
†Pseudofusulina ardua Skinner and Wilde 1965
†Pseudofusulina attenuata Skinner and Wilde 1965
†Pseudofusulina blochini Korzenevsky 1940
†Pseudofusulina bornemani Leven and Shcherbovich 1978
†Pseudofusulina brevis Kalmykova 1967
†Pseudofusulina cabudcuensis Kalmykova 1967
†Pseudofusulina callosa Rauser-Chernousova 1940
†Pseudofusulina concisa Skinner and Wilde 1965
†Pseudofusulina contracta Skinner and Wilde 1965
†Pseudofusulina decora Skinner and Wilde 1965
†Pseudofusulina dissimilis Shcherbovich 1971
†Pseudofusulina distorta Skinner and Wilde 1965
†Pseudofusulina dunbari Wilde 2006
†Pseudofusulina edelshteini Kalmykova 1967
†Pseudofusulina elleryensis Skinner and Wilde 1965
†Pseudofusulina exigua Schellwien 1909
†Pseudofusulina eximia Skinner and Wilde 1965
†Pseudofusulina explicata Leven and Shcherbovich 1978
†Pseudofusulina extensa Skinner and Wilde 1965
†Pseudofusulina fusiformis Schellwien 1909
†Pseudofusulina gundaraensis Kalmykova 1960
†Pseudofusulina jucunda Leven 1992
†Pseudofusulina juncea Skinner and Wilde 1965
†Pseudofusulina kraffti Schellwien 1909
†Pseudofusulina kushanica Leven and Shcherbovich 1978
†Pseudofusulina kutkanensis Rauser-Chernousova 1940
†Pseudofusulina lassula Bensh 1962
†Pseudofusulina laxa Skinner and Wilde 1965
†Pseudofusulina loringi Thompson 1954
†Pseudofusulina lutuginiformis Rauser-Chernousova 1940
†Pseudofusulina meeki Skinner and Wilde 1965
†Pseudofusulina minitumidiscula Shi et al. 2011
†Pseudofusulina minor Wilde 2006
†Pseudofusulina minuta Skinner and Wilde 1965
†Pseudofusulina modesta Skinner and Wilde 1965
†Pseudofusulina monstrosa Skinner and Wilde 1965
†Pseudofusulina moranensis Thompson 1954
†Pseudofusulina panjiensis Leven and Shcherbovich 1978
†Pseudofusulina plana Skinner and Wilde 1965
†Pseudofusulina plicatissima Rauser-Chernousova 1940
†Pseudofusulina powwowensis Dunbar and Skinner 1937
†Pseudofusulina pseudopointeli Rauser-Chernousova 1969
†Pseudofusulina pseudovulgaris Zhang and Xia 1985
†Pseudofusulina rara Shirinkina 1980
†Pseudofusulina rarus Wilde 2006
†Pseudofusulina regularis Schellwien 1898
†Pseudofusulina retusa Skinner and Wilde 1965
†Pseudofusulina robleda Thompson 1954
†Pseudofusulina rugosus Wilde 2006
†Pseudofusulina rutschi Thompson 1936
†Pseudofusulina saratovensis Tschernova 1971
†Pseudofusulina solita Skinner and Wilde 1965
†Pseudofusulina soluta Skinner and Wilde 1965
†Pseudofusulina spissa Skinner and Wilde 1965
†Pseudofusulina sulcatiformis Leven and Shcherbovich 1978
†Pseudofusulina tenuis Skinner and Wilde 1965
†Pseudofusulina tenuitheca Skinner and Wilde 1965
†Pseudofusulina urdalensis Rauser-Chernousova 1940
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
test diameter61.791.542.161.710.288

Composition: low Mg calcitesubo
Environment: marinesuperf
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2026-03-24 16:11:43
Modified: 2026-03-24 16:11:43
Source: superf = superfamily, subo = suborder, o = order
References: Loeblich and Tappan 1984, Kiessling 2004, Ueno 2022

Age range: base of the Gzhelian to the top of the Noginskian or 303.70000 to 264.90000 Ma

Collections (296 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9Japan P. kumasoana, P. sp. (200260)
Gzhelian303.7 - 298.9Greenland P. annae (132171)
Gzhelian303.7 - 298.9USA (New Mexico) P. mediotenebraeus, P. rarus (130032) P. prehuecoensis (129987)
Gzhelian303.7 - 298.9Tajikistan P. elegans (130353 130354) P. gregaria, P. kushanica (130356) P. malkovsky, P. netkatchensis, P. elegans, P. nux, P. gregaria (131062) P. nux (131063) P. sp. (131060)
Asselian298.9 - 293.52Slovenia P. sp. (129325 129328 129330)
Asselian298.9 - 293.52Tajikistan P. bornemani (130568 130569 130573) P. busulukensis, P. saratovensis (130544) P. dissimilis (130372) P. explicata (130367 130368 130370 130374 130545 130550 130551) P. gregaria (130373 130910 130925) P. gregaria, P. dissimilis, P. saratovensis (130364) P. gregaria, P. explicata, P. dissimilis (130371) P. intumescens, P. gregaria (130362) P. kushanica (130546) P. lutuginiformis (130912) P. lutuginiformis, P. subnathorsti (130971) P. lutuginiformis, P. subnathorsti, P. sulcatiformis (130948) P. ordinata, P. composita (131090) P. panjiensis (130923) P. postcallosa (130926 130930 130937 130949 130965) P. postcallosa, P. lutuginiformis, P. subnathorsti (130970) P. postcallosa, P. sulcatiformis (130936) P. postcallosa, P. sulcatiformis, P. panjiensis (130933) P. pseudopointeli (130566 130572 130579 130580 130919 130942) P. pseudopointeli, P. lutuginiformis, P. bornemani (130563) P. quasifusiformis, P. subnathorsti (131092) P. sakmarensis, P. orenburgensis, P. ikiensis (130357) P. saratovensis (130920) P. sp. (130574 130924 130969) P. subnathorsti (130565 130567 130916 130917 130956 130968 130972 131091) P. subnathorsti, P. bornemani (130561) P. sulcatiformis (130931 130932 130944)
Asselian298.9 - 293.52USA (California) P. accepta (131633 132025) P. acuta (132131) P. amoena (132095) P. attenuata (132026 132027 132101) P. concisa (132100) P. contracta (132141) P. contracta, P. minuta (132140) P. extensa (132032 132033 132034) P. juncea (132105 132106 132134 132135 132136) P. meeki (132024) P. minuta (132143) P. modesta (132098) P. plana, P. attenuata (132128) P. plana, P. soluta (132129) P. retusa, P. solita (131635) P. spissa, P. tenuitheca, P. elleryensis (132133) P. tenuis (132144 132145)
Asselian298.9 - 293.52Indonesia (Jambi) P. rutschi (152889 152890 152891 152892 152893 152894)
Asselian298.9 - 293.52South Korea P. pseudovulgaris (194374)
Asselian298.9 - 293.52Türkiye P. sp. (129631) P. sp. A (113841 113848 113849 113850 113851 113857)
Asselian - Sakmarian298.9 - 290.1Russian Federation (Bashkortostan) P. sp. (75594)
Asselian - Sakmarian298.9 - 290.1Bolivia P. sp. (62316)
Asselian - Artinskian298.9 - 283.3Japan P. spp. (128972)
Cisuralian298.9 - 274.4Türkiye (Muğla) P. sp. (218121)
Permian298.9 - 251.902Türkiye (Muğla) P. sp. (218217)
Sakmarian293.52 - 290.1Iran Nonpseudofusulina macilenta (130378) Nonpseudofusulina pamirensis (130381 130404 130405 130406 130407) Perigondwania macilenta (127777) Perigondwania pamirensis (127773 127774 127775 127776 127779 127781) Perigondwania pamirensis, Perigondwania macilenta (127778) P. gachalensis (128896) P. pamirensis (128901) P. pamirensis, P. gachalensis, P. kalmardensis (128898) P. pamirensis, P. kalmardensis (128897) P. sp. (128892 128893 128894) P. sp. 1, P. sp. 2 (128895) P. sp. 3 (128899 128902) P. sp. 3, P. sp. 4, P. kalmardensis (128900)
Sakmarian293.52 - 290.1Austria P. sp. (129238 129240 129253 129281 129282 129283 129284 129302 129309) P. sp. 1 (129290 129291 129307) P. sp. 2 (131169) P. sp. 2, P. sp. 3 (129285 129286 129287) P. sp. 3 (129308 131170) P. sp. 3, P. sp. (129301) P. sp. 3, P. sp., P. sp. 2 (129303 129304) P. sp., P. sp. 2 (129305)
Sakmarian293.52 - 290.1USA (Texas) Triticites powwowensis (131176 131177 131713 131714 131715 131736 131737)
Sakmarian293.52 - 290.1Tajikistan P. blochini (130176)
Sakmarian293.52 - 290.1USA (California) P. ardua (132146 132147) P. decora, P. eximia (128243 132221) P. laxa (132223) P. monstrosa, P. distorta (128487)
Sakmarian293.52 - 290.1Türkiye P. sp. (201391) P. sp. B (114021 114022 114025)
Sakmarian293.52 - 290.1USA (New Mexico) P. dunbari (130059) P. dunbari, P. rugosus (130060) P. fistula (130026 130056 130057) P. minor (130058) P. powwowensis (130027) P. pseudodunbari (130024) P. pseudodunbari, P. powwowensis (130025) P. tenuis (130031) P. truncatus (130029)
Sakmarian293.52 - 290.1Japan P. sp. A, P. sp. B, P. callosa (129063) P. vulgaris (61138 61139) P. vulgaris, P. globosa, P. regularis, P. fusiformis (197662)
Sakmarian - Artinskian293.52 - 283.3Slovenia P. sp. (60222)
Sterlitamakian291.7 - 290.1Russian Federation P. callosa, P. plicatissima, P. urdalensis (129360)
Artinskian290.1 - 283.3China (Guizhou) P. sp. (185578)
Artinskian290.1 - 283.3China (Yunnan) P. macilenta (208251) P. macilenta, P. minitumidiscula (208250)
Artinskian290.1 - 283.3Tajikistan P. acuta (130175 130217) P. brevis (130201) P. cabudcuensis (130216) P. dutkevitchi (130184) P. exigua (130215) P. fusiformis, P. isomie, P. brevis (130319) P. gundarensis (130076 130220) P. incomparabilis (130070 130189) P. jucunda (130323) P. kraffti (130186 130199 130321 130322) P. mikhailovi (130205) P. mikhailovi, P. incomparabilis (130168) P. niouensis (130182) P. nishiwarensis (130317) P. oingaronica (130218 130219) P. rhombiformis (130315)
Artinskian290.1 - 283.3Türkiye P. sp., P. lassula (201387)
Artinskian290.1 - 283.3Japan P. sp. (129081) P. sp. C, P. spp., P. kraffti, P. blochini (194377)
Artinskian290.1 - 283.3China (Xizang) P. atetsensis (132009) P. pamirensis (132008)
Artinskian290.1 - 283.3Thailand P. sp. (128418)
Artinskian290.1 - 283.3Russian Federation P. plicatissima, P. rara, P. kutkanensis (129361)
Artinskian290.1 - 283.3China (Jilin) P. kraffti (59077)
Artinskian290.1 - 283.3Italy P. vulgaris, P. kraffti (75509)
Artinskian290.1 - 283.3Austria P. fusiformis (129298 129299) P. sp. (129292 129294) P. sp. 1 (129296)
Kungurian283.3 - 274.4China (Guizhou) P. kueichowensis, P. kraffti (185580) P. sp. (185573)
Kungurian283.3 - 274.4China (Xizang) P. sp. (132011)
Kungurian283.3 - 274.4Thailand P. regularis (128417) P. sp., P. regularis (128416)
Kungurian283.3 - 274.4Japan P. japonica, P. dzamantalensis (194376) P. kraffti (128954) P. paratschernyschewi, P. sp. (131084) P. sp. A, P. sp. B, P. spp., P. gundaraensis, P. fukasensis, P. dzamantalensis (194375) P. spp., P. kraffti (128947)
Kungurian283.3 - 274.4Tajikistan P. ambigua (130316) P. cabudcuensis, P. rhombiformis (130066) P. dzamantalensis (130318) P. edelshteini, P. ambigua, P. annae (130286) P. edoensis (130324 130325) P. exigua (130214) P. fukasensis (130326) P. fusiformis, P. kueichihensis, P. fukasensis (130202) P. jucunda, P. murotbekovi (130320) P. kueichihensis (130093 130094) P. siarykensis (130193)
Kungurian283.3 - 274.4Thailand (Saraburi) P. sp. (218694)
Kungurian - Wordian283.3 - 264.28Japan P. kraffti (128984)
Kubergandian - Murgabian280.4 - 266.9Indonesia P. sp. (75572)
Noginskian276.8 - 264.9USA (Kansas) P. delicata (11757 11762 11763 11765)
Roadian274.4 - 266.9Japan P. kraffti (105231) P. sp. (128239)
Roadian274.4 - 266.9China (Nei Mongol) P. sp. (34562)
Roadian274.4 - 266.9China (Yunnan) P. sp. (128192 128194 128195 128196)
Roadian274.4 - 266.9Ukraine P. hisamatsui (110831)
Roadian274.4 - 266.9Oman P. sp. (116817)
Roadian274.4 - 266.9Croatia P. sp. (62289)
Wordian266.9 - 264.28Azerbaijan P. chihsiaensis, P. australis (82257) P. parachihsiaensis (94933) P. quasiregularis (94934) P. solita (110882) P. sp. (94938 94939 110888)
Wordian266.9 - 264.28Ukraine P. uenoensis (110834)
Wordian266.9 - 264.28Italy P. anachrona, P. dainelli (75474)
Wordian266.9 - 264.28Russian Federation P. sp. (128476)
Wordian266.9 - 264.28Armenia P. chihsiaensis, P. pseudochihsiaensis, P. tienchiaensis (113725) P. chihsiaensis, P. pseudochihsiaensis, P. tienchiaensis, P. australis, P. yunnanensis (88706) P. parachihsaiensis, P. padangensis, P. longitermina (110797) P. quasiregularis (97388) P. sp. (97389)
Wordian266.9 - 264.28Malaysia P. sp. (75755)
Wordian - Capitanian266.9 - 259.51China (Yunnan) P. sp. (132513)
Wordian - Capitanian266.9 - 259.51Japan P. spp. (128987)