Subgroup, Kitakyushu City, Fukuoka Prefecture, Japan

Misellina (Pennian Fusulinoidea) from Hazegatoge, Kitakyushu City,JapanCentral South China, (2), Late Paleozoic, p.85, pi. 26, fig, 5.1977. Misellina claudiae, Kobayashi. Trans. Proc.Palaeont. Soc. Japan, N. S., (105), pi. 2, figs. 15, 16.1977. Misellina claudiae, M. Ota. Bull. Akiyoshi-dai Sci.Mus., (5), pi. 2, figs.3, 4.1978. Misellina claudiae, Liu et al. Palaeontobgical AtlasofSouthwest China, Guizhou volume, Part 2, p. 84, pi. 19, fig.6.1979. Misellina claudiae, Lin et al Ada Palaeont., 18(6),pi. 4, figs. 8-12.1979. Misellina claudiae, Minato et al The Abean Orogeny, Tokai Univ. Press, pi. 41, fig. 2 (after Choi, 1972).1979. Misellina claudiae, Hasegawa et al. The AbeanOrogeny, Tokai Univ. Press, pi. 77, figs. 4, 5, 8-10, 12-14,16-22.1982. Misellina claudiae, Zhang. Fusulinids of EasternQinghai-Xizang Plateau, p. 200, pi. 26, figs. 8, 9, 13, 15, 16,18, 20-24.1982. Misellina claudiae, Xie. Palaeontobgical Atlas ofHunan, p.66, pl.32, figs. 4, 5.1982. Misellina claudiae, Leven. Voprosy Mikropaleonl.,25, Tab. 2, figs 4, 7.1983. Misellina claudiae, Sun el al PalaeontologLcal Atlasof Northwest China, Shaanxi, Gansu and Ningxia volume, Part2, p. 34, pi. 9, fig. 6.1983. Misellina claudiae, Geological explorers of AnhuiProvince, Palaeonlological Atlas of Anhui, Fusulinaceans ofAnhui, p. 103, 104, pi. 15, fig. 11, pi. 16, figs. 4, 9.1984. Misellina claudiae, Zhou. Acta Palaeont., 23(1), p.118, 119, pi. l.figs. 14, 15.1984. Misellina claudiae, Zhou and Zhang. ActaPalaeont., 23(6), pi. 2, figs. 8-11.1984. Misellina (Misellina) claudiae, Ishibashi. Mem.Fac. Sci., Kyushu Univ. Ser, D, 15(2), p. 221, 222, pi. 31,figs. 6-15.1985. Misellina claudiae, Yang. Acta Micropalaeont. 2(4),pi. 2, figs. 1, 2.1985. Misellina claudiae, Sun and Zhang. Acta Palaeont.24(5), p. 505, pi. 1, figs. 2-5.1985. Misellina claudiae, Han. Acta Palaeont. 24(6), p.683, pi. l,fig. 18.1986. Misellina claudiae, Wang and Tang. Acta Micropalaeont. 3(1), pi. 2, fig. 18.1987. Misellina claudiae, ZHANg and Li. Ada Palaeont.26(4), p. 405, 406, pi. 3, figs. 10, 20, 24.1988. Misellina claudiae, Sun and Zheng. Acta Micropalaeont., 5(4), pl.4, figs. 4-6, 8-10.1990. Misellina claudiae, Ozawa and Kobayashi. Guidebook for the field trips, 4th International Symposium on BenthicForaminifera, Sendai, pi. 9, figs. 5, 6.1991. Misellina (Misellina) claudiae, Ueno. Trans. Proc.Palaeont. Soc. Japan, N. S., (164), p.984, 985, figs. 8.-1-13.1992. Misellina cf. Misellina claudae, Blome andNestell. Oregon Geology, 54(6), pi. 3, fig. 1.1992. Misellina (Misellina) claudiae, Leven. TrudyPaleont. Inst., Akad. NaukSSSR, 253, p.74, 75, pi. 3, figs. 31,32.1993. Misellina claudiae, Sun. Acta Micropalaeont.,10(3), pi. 3, fig. 12.1996. Misellina claudiae, Zeng et al Permo-CarboniferousBiostratigraphy and Sedimentary Environment of West Qinling.Geol. Publ. House, Beijing, p. 182, pi. 13, figs. 4, 5.1997. Misellina claudiae, Kobayashi. Cushman Found,Foraminiferal Research, Spec. Pub., 36, p.78. fig. 1.—19.1997. Misellina claudiae, Zhou and Xie. Acta Micropalaeont., 14(1), pi. 1, figs. 4, 14.1998. Misellina claudiae, Zhang and Hong. Acta Micropalaeont., 37(4), p. 462, pl.3, figs. 1, 2, 4, 6.Materials: Axial sections: KMNH IvP 400,362[HZ00100G-0002-2] and KMNH IvP400,363[HZ00100G-0001-l]. Sagittal section: KMNH IvP 400,364[HZ00100G-0003-l]Description: Misellina claudiae (Deprat) has a small,short ellipsoidal shell with the coiling having a straightaxis, and broad, rounded to umbilicated poles. The obtained specimens of six and a half volutions are 1.63 to1.68 mm long and 1.18 to 1.23 mm wide. The form ratioranges from 1.35 to 1.43, averaging 1.39 for the twospecimens. The inner two volutions are nearly spherical,with rounded poles, to somewhat umbilicate. The axisof the succeeding volutions extends gradually. Averageratios of the half-length to the radius vector of the first tosixth volutions for the two specimens are 0.87, LOO, 1.04,1.23, 1.31 and 1.28, respectively.The proloculus is spherical and rather large for thisspecies, with an outside diameter of 0.13 to 0.14 mm.Expansion of the shell is slow in the inner volutions, andbecomes gradually more rapid outwards. Average radiusvectors of the first to sixth volutions for the two specimensare 0.11, 0.17, 0.24, 0.32, 0.42+ and 0.57mm, respectively.The spirotheca of the inner two volutions are composed of a structureless layer, and the succeeding onesconsist of a tectum and keriotheca. The thicknessincreases as the shell grows, with the thickness of the firstto sixth volutions of two specimens averaged at 0.015,0.023, 0.028, 0.033, 0.038+ and 0.045+mm, respectively.The septa are completely unfluted throughout theshell. Septal counts of the second to sixth volutions inthe obtained sagittal section are 6+, 12, 13+, 20, and 21,respectively. The low and broad parachomata are welldeveloped throughout the shell.Remarks:The obtained specimens have a rather small

6+Yasuhiro Otashellfor Misellina claudiae (Deprat), but theyare referableto this species because of many characteristics of the shell.In Japan, Misellina claudiae is well known as an indexfossil of the Middle Permian, and there are many reportsregarding this species. According to Toriyama (1958),Misellina claudiae (Deprat) is considerably wide in specific variations, at least in prolocular size. Both themegalospheric and microspheric forms in this specieshave been recognized since Deprat (1912) first reportedfrom Yun-nan, China.The obtained specimens seem to be a megalosphericform of Misellina claudiae (Deprat) .The specimens obtained are closely similar toMisellina cf. termieri reported by Toriyama (1975) fromKhao Phlong Phrab, Thailand because of their both having a rather large proloculus. Misellina termieri, originallydescribed by Deprat (1915) from Cam-mon in Laos, alsoresembles the present species in many respects, except inits small proloculus.Misellina sp. API. 1, Figs. 4, 5Material: Axial section: KMNH IvP 400,365[HZ00100G-0002-1]Description: The shell of Misellina sp. A is small andsubspherical, with the coiling having a straight axis,slightly convex lateral slopes, and nearly roundedpoles. The obtained shell of six volutions shows an axiallength of 1.23 mm and median width of0.95 mm, giving aform ratio of 1.29. The shape of the first volution is notdiscernible, but it seems to be somewhat umbilicate.The second volution is almost spherical and thereafterTable 2. Measurements of Misellina claudiae (Dei'Rat).Abbreviations: L., length of shell; W., width of shell; Prol. D., diameter of proloculus; Prol. Wall, thickness ofproloculus wall; mm., millimeters; R., Ratio of length to width.L. W. R. Prol. D. Prol. WallHZ00100G-0001-1 1.63 1.23 1.35 0.14 0.015HZ00100G-0002-2 1.68 1.18 1.43 0.13 0.015Max. 1.68 1.23 1.43 0.14 0.015Min. 1.63 1.18 1.35 0.13 0.015Average. 1.66 1.21 1.39 0.14 0.015Radius vector (mm.)HZ00100G-0001-1 0.11 0.17 0.24 0.31 0.44 0.55 0.63HZ00100G-0002-2 0.10 0.16 0.24 0.32 0.40+ 0.58 0.60Max. 0.11 0.17 0.24 0.32 0.44 0.58 0.63Min. 0.10 0.16 0.24 0.31 0.40+ 0.55 0.60Average. 0.11 0.17 0.24 0.32 0.42+ 0.57 0.62Ratio of HI./ Rv. (HI., half-length; Rv., radius vector)10110HZ00100G-0001-1 0.73 1.00 1.04 1.39 1.32 1.35 1.32HZ00100G-0002-2 1.00 1.00 1.04 1.06 1.30- 1.21 1.30Max. 1.00 1.00 1.04 1.39 1.32 1.35 1.32Min. 0.73 1.00 1.04 1.06 1.30- 1.21 1.30Average. 0.87 1.00 1.04 1.23 1.31 1.28 1.31Thickness of spirotheca (mm.)110HZ00100G-0001-1 0.015 0.020 0.025 0.030 0.040 0.040 0.035HZ00100P-0002-2 0.015 0.025 0.030 0.035 0.035+ 0.050+ 0.050+Max. 0.015 0.025 0.030 0.035 0.040 0.050+ 0.050+Min. 0.015 0.020 0.025 0.030 0.035+ 0.040 0.035Average. 0.015 0.023 0.028 0.033 0.038+ 0.045+ 0.043+Septal count1 9 3 4 5 6 7 8 9 10HZ00100G-0003-1-12 13+ 20 21 15+-

Misellina (Permian Fusulinoidea) from Hazegatoge, Kitakyushu City,JapanTable 3.Measurements of Misellina sp. AW. R. Prol. D. Prol. WallHZ00100G-0002-1 1.23 0.95 1.29 0.11 0.010Radius vector (mm.)1 2 3 4 5 6 7 8 9 10HZ00100G-0002-1 0.08± 0.12 0.18 0.24 0.35 0.58Ratio of Hl./Rv. (HI., half-length; Rv., radius vector)1 2 3 4 5 6 7 8 9 10HZOO1OOG-0OO2-1 1.00± 1.25 1.33 1.46 1.37 1.21Thickness ofspirotheca (mm.)1 2 3 4 5 6 7 8 9 10HZ00100P-0002-1 0.010± 0.015 0.020 0.025 0.035+ 0.030the axis becomes extended gradually outwards except inthe last volution. Ratios of the half-length to radius vector of first to sixth volutions are 1. 00±, 1.25, 1.33, 1.46,1.37 and 1.21, respectively.The proloculus is somewhat large for the genus, withan outside diameter of 0.11 mm. The shell expandsrather slowly, except for the last volution that expandsrapidly. Radius vectors of the first to sixth volutions are0.08±, 0.12, 0.18, 0.24, 0.35 and 0.58 mm, respectively.The spirotheca is very thin in the inner two volutionsand is composed of a single layer, but in the outervolutions it becomes thicker, consisting of a tectum and afinely alveolar keriotheca. The thicknesses of thespirotheca of the first to sixth volutions are 0.010+, 0.015,0.020, 0.025, 0.035+ and 0.030 mm, respectively.The septa are unfluted throughout the growth, whilethe parachomata are semi-circular to isosceles-triangularwith somewhat obtuse,apex, and well developed throughout the shell.Remarks: The present material is insufficient to determine a final specific identification. However, it can besaid that this species has a somewhat large proloculus,and a rather small shell with a rapid expansion of the lastvolution, and that no Misellina species is comparable.The present species resembles Misellina aliciae, firstreported by Deprat (1912) from Yun-nan, China.However, the present species has a larger proloculus anda more rapid rate of expansion, particularly in the lastvolution. Furthermore, the parachomata of the presentspecimen are lower and isosceles triangular with a keenerapex. The present specimen, especially, closely resembles the specimen of Misellina aliciae sensu Lin etal(\977) from the Guangxi Zhuang Autonomous Region,China. However, more specimens will be necessary todetermine a final specific name.REPOSITORYThe specimens described in this paper are all preserved in Kitakyushu Museum of Natural History andHuman History, with the designation of KMNH IvP as theregistration number of the specimens.ACKNOWLEDGMENTSI would like to thank Dr. Masamichi Ota (HonoraryCurator in the Kitakyushu Museum of Natural Historyand Human History) for his helpful suggestion, and critical reviews that substantially improved the manuscript. Iwish to express my deep gratitude to Dr. Kimiyoshi Sada(Professor Emeritus, Hiroshima University), for helpfulsuggestions and careful reading of an earlier version ofthis manuscript. I also wish to express my sincere thanksto Dr. Yuiti Ono (Professor Emeritus of Kyushu University, and Director of the museum) for the opportunity topresent this manuscript.REFERENCESChoi, D. R., 1972. Classification and phylogeny of genus Misellinawith description of some Misellina from the Lower Permian inthe southern Kitakami Mountains, Japan. Jour. Fac. Sci.Hokkaido Univ., Ser. 4, 15(3-4): 625-646, pi. 1.Deprat,J. 1912. Etude des Fusulinides de Chine et d'Indochine etclassification des calcaires a fusulines. Mem. Serv. Geol. deVIndochine, 1, Fasc. 3, Etude des Geologiquedu Yun-nan Oriental, III.Partie. 1-76, pis. 1-9.Dkprat, J. 1915. Les Fusulinides des Calcaires Carboniferiens ePermiens du Tonkin, du Laos et du Nord-Annam. Mem. Serv.Geol. de VIndochine, 4, Fasc. I, Etude des Fusulinides de Chine etd'Indochine et classification des calcaires a fusulines IV. Mem.: 1-30,pis. 1-3.

8 Yasuhiro OtaFujimoto, H. [Huzimoto, H.]1935. A new locality of Fusulinalimestonein northern Kyushu. Jour. Geol. Soc. Japan, 42(496):36-38, pi. 1.Fujimoto, H., R. Yoshinaka and N. Tajima. 1961. On the UpperPaleozoic deposits of the Kiku Peninsula, Fukuoka Prefecture.Bull. Yamagata Univ., Nat. Sci., 5(2): 419-423, pi. 1.Kanmera, K. 1957. Revised classification of Cancellina andNeoschwagerina, and evolution of Sumatrininae and Neoschwagerininae.Mem. Fac. Sci., Kyushu Univ., Ser. D, Geology, 6(1):47-64, pis. 19, 20.Kobayashi. F. 1977. Some considerations of the ancestor of thefamily Verbeekinidae (Fusulinacea), Trans. Proc. Palaeont. Soc.Japan, N. S., (105): 1-16, pis. 1, 2.Kobayashi. F. 1997. Middle Permian fusulinacean fauna and paleogeographyof exotic terranes in the Circum-Pacific. Cushman Foundation for Foraminifera Research, SpecialPublication 36 (Edited by Ross. C. A., J. R. P. Ross and P. L.Brencki.e): 77-80.Lee, J. S. 1933. 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Misellina (Permian Fusulinoidea) from the limestone conglomeratein the Dobaru Formation of the Lower Cretaceous WakinoSubgroup, Kitakyushu City, Fukuoka Prefecture, JapanYasuhiro OtaPlate 1

Explanation of Plate 1Figs. 1-3. Misellina claudiae (Deprat, 1912)1, 2. Axial sections: 1. KMNH IvP 400,362[HZOO100G-0002-2], x 20;2. KMNH IvP 400,363[HZ00100G-0001-1], x20.3. Sagittal section: KMNH IvP 400,364[HZ00100G-0003-l], x20.Fig. 4. Misellinasp. A4. Axial section: KMNH IvP 400,365[HZOO1OOG-0002-1], x40.Fig. 5. Misellina sp. A within the wackestone, x 20.

OtaY. Misellina (Pennian Fusulinoidea) from Hazegatoge, Kitakyushu City,Japan Plate 1