660
Views
1
CrossRef citations to date
0
Altmetric
Articles

Hyoliths from the Bystraya Formation (Cambrian Series 2) of eastern Transbaikalia (Zabaykalsky Krai), Siberia

References

  • Alexander, R.R. & Dietl, G.P., 2003. The fossil record of shell-breaking predation on marine bivalves and gastropods. In Predator–Prey Interactions in the Fossil Record. Kelley, P.H., Kowalewski, M. & Hansen, T.A., eds. Kluwer Academic/Plenum Publishers, New York, 141–176, 464 pp.
  • Bengtson, S., Conway Morris, S., Cooper, B.J., Jell, P.A. & Runnegar, B.N., 1990. Early Cambrian fossils from South Australia. Memoirs of the Association of Australasian Palaeontologists 9, 1–364.
  • Bengtson, S., Matthew, S.C. & Missarzhevsky, V.V., 1986. The Cambrian net-like fossil Microdictyon. In Problematic Fossil Taxa, Hoffman, A. & Nitecki, M.H., eds, Oxford Monographs on Geology and Geophysics 5. Oxford University Press, New York, 97–115.
  • Berg-Madsen, V. & Malinsky, J.M., 1999. A revision of Holm’s Late Mid and Middle Cambrian hyoliths of Sweden. Palaeontology 42, 841–885.
  • Billings, E., 1871. On some new species of Palaeozoic fossils. Canadian Naturalist 6, 213–233, 240.
  • Bokova, A.R. & Vasil’eva, N.I., 1990. Some new species of problematic skeletal fossils from the Lower Cambrian Olenek-uplift. In Fossil Problems of the USSR. Sokolov, B.S., ed., Trudy Instituta Geologii i Geofiziki, Sibirskoe Otdelenie, Akademiya Nauk SSSR 783, Russian, 28–30. [in Russian].
  • Canu, F., 1913. Études morphologiques sur trois nouvelles familles de Bryozoaires. Bulletin de la Société Géologique de France, Séries 4, 13, 132–147.
  • Cobbold, E.S., 1920. The Cambrian horizons of Comley and their Brachiopoda, Pteropoda, Gastropoda, etc. Quarterly Journal of the Geological Society of London 76, 325–386.
  • Cobbold, E.S., 1935. Lower Cambrian Faunas from Hérault, France. Annals and Magazine of Natural History, Series 10, 16, 25–48.
  • Debrenne, F., Zhuravlev, A. & Rozanov, A.Y., 1989. Pravil’nye arkheotsiaty. Trudy Paleontologicheskiy Institut, Akademiya Nauk SSSR 233, 199.
  • Demidenko, Y.U., 2021. Microstructure of tubes of the Cambrian zooproblematics of the Family Hyolithellidae. Paleontologicheskiy Zhurnal 2021, 10–22. [in Russian].
  • Devaere, L., Clausen, S., Alvaro, J.J., Peel, J.S. & Vachard, D., 2014. Terreneuvian orthothecid (Hyolitha) digestive tracts from northern Montagne Noire, France; taphonomic, ontogenetic and phylogenetic implications. PLoS One 9, e88583.
  • Doré, F. & Reid, R.E., 1965. Allonnia tripodophora nov. gen., nov. sp., nouvelle Éponge du Cambrien inférieur de Carteret (Manche). Compte Rendu Sommaire des Séances de la Société Géologique de France 1965, 20–21.
  • Duan, C.H., 1984. Small shelly fossils from the lower Cambrian Xihaoping Formation in the Shennongjia district, Hubei Province—Hyoliths and fossil skeletons of unknown affinities. Bulletin of the Tianjin Institute of Geology and Mineral Resources 7, 143–183. [Chinese with English abstract].
  • Duan, C.H. & Xiao, B., 1992. Restudy on the stratotype of Yurtus Formation. Bulletin Tianjin Institute of Geology and Mineral Resources 26, 325–355. [Chinese with English abstract].
  • Ebbestad, J.O.R. & Peel, J.S., 1997. Attempted predation and shell repair in Middle and Upper Ordovician gastropods from Sweden. Journal of Paleontology 71, 1007–1019.
  • Esakova, N.V. & Zhegallo, E.A., 1996. Biostratigrafiya i fauna nizhnego kembriya Mongolii. Trudy Sovmestnaya Rossiysko-Mongol’skaya Paleontologicheskaya Ekspeditsiya 46, 216 pp.
  • Gravestock, D.I., Alexander, M.I., Demidenko, E.Y., Esakova, N.V., Holmer, L.E., Jago, J.B., Melnikova, L.M., Parkhaev, P.Y., Rozanov, A.Y., Ushatinskaya, G.T., Zang, W., Zhegallo, E.A. & Zhuravlev, A.Y., 2001. The Cambrian biostratigraphy of the Stansbury Basin, South Australia. Russian Academy of Sciences Transactions of the Palaeontological Institute 282, 344 pp.
  • He, T.G., Pei, F. & Fu, G.H., 1984. Small shelly fossils from the lower Cambrian Xinji Formation in Fangcheng County, Henan Province. Acta Palaeontologica Sinica 23, 350–357. [Chinese with English abstract]
  • Holm, H., 1893. Sveriges Kambrisk-Siluriska Hyolithidae och Conularidae. Sveriges Geologiska Undersökning Serie C 112, 1–173.
  • Jell, P.A., 1980. Earliest known bivalve on Earth—A new early Cambrian genus from South Australia. Alcheringa 4, 233–239.
  • Knyazev, G.I., 1962. Stratigrafiya nizhnego paleozoya i dokembriya Priargun’ya. Chitinskoe Otdelenie Tsentral’nogo Nauchno-Issledovatel’skogo Gornorazvedochnogo Instituta, Chita, 124 pp.
  • Kouchinsky, A., 2000a. Shell microstructures in Early Cambrian molluscs. Acta Palaeontologica Polonica 45, 119–150.
  • Kouchinsky, A., 2000b. Skeletal microstructures of hyoliths from the Early Cambrian of Siberia. Alcheringa 24, 65–81.
  • Kouchinsky, A., 2007. Shell microstructures of the Early Cambrian Anabarella and Watsonella as new evidence on the origin of the Rostroconchia. Lethaia 32, 173–180.
  • Kouchinsky, A., Alexander, R., Bengtson, S., Bowyer, F., Clausen, S., Holmer, L.E., Kolesnikov, K.A., Korovnikov, I.V., Pavlov, V., Skovsted, C.B., Ushatinskaya, G., Wood, R. & Zhuravlev, A.Y., 2022. Early–middle Cambrian stratigraphy and faunas from northern Siberia. Acta Palaeontologica Polonica 67, 341–464.
  • Kouchinsky, A., Bengtson, S., Clausen, S. & Vendrasco, M., 2015. An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia. Acta Palaeontographica Polonica 60, 421–512.
  • Kouchinsky, A., Bengtson, S., Landing, E., Steiner, M., Vendrasco, M. & Ziegler, K., 2017. Terreneuvian stratigraphy and faunas from the Anabar Uplift. Acta Palaeontologica Polonica 62, 331–340.
  • Landing, E. & Bartowski, K.E., 1996. Oldest shelly fossils from the Taconic allochthon and late Early Cambrian sea − levels in eastern Laurentia. Journal of Paleontology 70, 741–761.
  • Li, L., Skovsted, C.B., Yun, H., Betts, M.J. & Zhang, X., 2020. New insight into the soft anatomy and shell microstructures of early Cambrian orthothecids (Hyolitha). Proceedings of the Royal Society, Biological Sciences 287, 20201467.
  • Li, L., Zhang, X., Skovsted, C.B., Yun, H., Pan, B. & Li, G., 2019. Homologous shell microstructures in Cambrian hyoliths and molluscs. Palaeontology 62, 515–532.
  • Lindström, A. & Peel, J.S., 2005. Repaired injuries and shell form in some Palaeozoic pleurotomarioid gastropods. Acta Palaeontologica Polonica 50, 697–704.
  • Liu, F., Skovsted, C.B., Topper, T.P. & Zhang, Z., 2021. Revision of Triplicatella (Orthothecida, Hyolitha) with preserved digestive tracts from the early Cambrian Chengjiang Lagerstätte, South China. Historical Biology 33, 1857–1871.
  • Maas, A., Braun, B., Dong, X., Donoghue, P.C.J., Müller, K.J., Olempska, E., Repetski, J.E., Siveter, D.J., Stein, M. & Waloszek, D., 2006. The ‘Orsten’—more than a Cambrian Konservat-Lagerstätte yielding exceptional preservation. Palaeoworld 15, 266–282.
  • Malinky, J.M., 1988. Early Paleozoic Hyolitha from North America: reexamination of Walcott’s and Resser’s type specimens. Journal of Paleontology 62, 218–233.
  • Malinky, J.M., 1989. New Early Paleozoic Hyolithida and Orthothecida (Hyolitha) from North America. Journal of Paleontology 63, 302–319.
  • Malinky, J.M., 2014. Cambrian Hyolitha and problematica from West Laurentian North America: taxonomy and palaeobiogeography. Alcheringa 38, 338–363.
  • Malinky, J.M. & Berg-Madsen, V., 1999. A revision of Holm’s Early and early Mid Cambrian hyoliths of Sweden. Palaeontology 42, 25–65.
  • Malinky, J.M. & Geyer, G., 2019. Cambrian Hyolitha of Siberian, Baltican and Avalonian aspect in east Laurentian North America: taxonomy and palaeobiogeography. Alcheringa 43, 171–203.
  • Malinky, J.M. & Skovsted, C.B., 2004. Hyoliths and small shelly fossils from the Lower Cambrian of North-East Greenland. Acta Paleontologica Polonica 49, 551–578.
  • Mambetov, A.M., 1972. A new lower Cambrian hyolithid genus from Malyy Karatau (northwestern Tien Shan). Paleontological Journal 6, 268–269.
  • Marek, L., 1963. New knowledge on the morphology of Hyolithes. Sborník Geologických Ve˘d, řada Paleontologie 1, 53–72.
  • Marek, L., 1966. New hyolithid genera from the Ordovician of Bohemia. Časopis Národního Muzea. Oddil Přirodove˘dny 135, 89–92.
  • Martí Mus, M. & Bergström, J., 2007. Skeletal microstructure of helens, lateral appendages of hyolithids. Palaeontology 50, 1231–1243.
  • Martí Mus, M., Jeppsson, L. & Malinky, J.M., 2014. A complete reconstruction of the hyolithid skeleton. Journal of Paleontology 88, 160–170.
  • Melnikova, L.M., 1988. Some bradoriids (Crustacea) from the Botomian Stage of the East Trans-Baikal Region. Paleontological Journal 1998, 113–116. [=Paleontologicheskiy Zhurnal 1988, 114–117]. Note incorrect title of eastern Kazakhstan on English reprint
  • Melnikova, L.M., Siveter, D.J. & Williams, M., 1997. Cambrian Bradoriida and Phosphatocopida (Arthropoda) of the former Soviet Union. Journal of Micropalaeontology 16, 179–191.
  • Meshkova, N.P., 1974. Lower Cambrian hyoliths of the Siberian Platform. Trudy Instituta Geologii i Geofiziki, Sibirskoe Otdelenie Akademii Nauk SSSR 97, 110 pp. [in Russian].
  • Missarzhevsky, V.V., 1977. Conodonts (?) and phosphatic problematica from the Cambrian of Mongolia and Siberia. In Bespozvonochnye paleozoya Mongolii. Tatarinov, L.P., ed.,. Nauka, Moskva, 10–19. [in Russian].
  • Missarzhevsky, V.V., 1981. Early Cambrian hyoliths and gastropods from Mongolia [in Russian]. Paleontologicheskiy zhurna1 1981, 21–28.
  • Missarzhevsky, V.V., 1989. Oldest skeletal fossils and stratigraphy of Precambrian and Cambrian boundary beds. Trudy Geologicheskogo Instituta, Akademiya Nauk SSSR 443, 237 pp. [in Russian].
  • Missarzhevsky, V.V. & Mambetov, A.M., 1981. Stratigraphy and fauna of the Cambrian and Precambrian boundary beds of the Maly Karatau Range. Trudy Geologicheskogo Instituta Akademiya Nauk SSSR 326, 92 pp. [in Russian].
  • Moore, J.L., Li, G. & Porter, S.M., 2014. Chancelloriid sclerites from the lower Cambrian (Meishucunian) of eastern Yunnan, China, and the early history of the group. Palaeontology 57, 833–878.
  • Moore, J.L. & Porter, S.M., 2018. Plywood-like shell microstructures in hyoliths from the Middle Cambrian (Drumian) Gowers Formation, Georgina Basin, Australia. Palaeontology 61, 441–467.
  • Moore, J.L., Porter, S.M., Steiner, M. & Li, G., 2010. Cambrothyra ampulliformis, an unusual coeloscleritophoran from the lower Cambrian of Shaanxi Province. Journal of Paleontology 84, 1040–1060.
  • Moysiuk, J., Smith, M.R. & Caron, J.-B., 2017. Hyoliths are Palaeozoic lophophorates. Nature 541, 394–397.
  • Novozhilova, N.V. & Korovnikov, I.V., 2019. Small shelly fossils in the Cambrian basement of the West Siberian Geosyneclise. Stratigrafiya, Geologicheskaya korrelyatsiya 27, 3–11.
  • Pakhomov, N.N., 1995. Eastern Transbaikalia, 73–75. In The Cambrian System of the foldbelts of Russia and Mongolia Ashtaskin, V.A., Pegel, T.V., Repina, L.N., Belyaeva, G.V., Esakova, N.V., Rozanov, A.Yu., Zhuravlev, A.Yu., Osadchaya, D.V. & Pakhomov, N.N. International Union of Geological Sciences 32, Trondheim, Norway, 132 pp.
  • Pan, B., Skovsted, C.B., Sun, H.J. & Li, G.X., 2019. Biostratigraphical and palaeogeographical implications of early Cambrian hyoliths from the North China Platform. Alcheringa 43, 351–380.
  • Parkhaev, P.Y., 2004. Malacofauna of the Lower Cambrian Bystraya Formation of Eastern Transbaikalia. Paleontological Journal 38, 9–25.
  • Parkhaev, P.Y., 2006. On the genus Auricullina Vassiljeva, 1998 and shell pores of the Cambrian helcionelloid mollusks. Paleontological Journal 40, 20–33.
  • Parkhaev, P.Y., 2007. Shell chirality in Cambrian gastropods and sinistral members of the Genus Aldanella Vostokova, 1962. Paleontological Journal 41, 233–240.
  • Parkhaev, P.Y. & Demidenko, Y., 2010. Zooproblematica and Mollusca from the lower Cambrian Meishucun section (Yunnan, China) and taxonomy and systematics of the Cambrian small shelly fossils of China. Paleontological Journal 44, 883–1161.
  • Peel, J.S., 2021a. Holdfasts of Sphenothallus (Cnidaria) from the early Silurian of western North Greenland (Laurentia). GFF 143, 384–389.
  • Peel, J.S., 2021b. An outer shelf shelly fauna from Cambrian Series 2 (Stage 4) of North Greenland (Laurentia). Journal of Paleontology 95, 1–41.
  • Peel, J.S., Streng, M., Geyer, G., Kouchinsky, A. & Skovsted, C.B., 2016. Ovatoryctocara granulata assemblage (Cambrian Series 2–Series 3 boundary) of Løndal, North Greenland. Australasian Palaeontological Memoirs 49, 241–282.
  • Peel, J.S. & Willman, S., 2018. The Buen Formation (Cambrian Series 2) biota of North Greenland. Papers in Palaeontology 4, 381–432.
  • Qian, Y., 1977. Hyolitha and some problematica from the Lower Cambrian Meishucun Stage in central and south western China. Acta Palaeontologica Sinica 16, 255–278. (Chinese with English abstract)
  • Qian, Y., 1978. The Early Cambrian hyolithids in Central and Southwest China and their stratigraphicalal significance. Memoirs of the Nanjing Institute of Geology and Palaeontology. Academia Sinica 11, 1–38. (in Chinese with English summary)
  • Qian, Y., 1989. Early Cambrian small Shelly Fossils of China with Special Reference to the Precambrian–Cambrian boundary. Stratigraphy and Palaeontology of Systemic Boundaries in China Precambrian—Cambrian Boundary (2). Nanjing University Publishing House, Nanjing, 341 pp.
  • Qian, Y. & Bengtson, S., 1989. Palaeontology and biostratigraphy of the Early Cambrian Meishucunian Stage in Yunnan Province, South China. Fossils and Strata 24, 156.
  • Qian, J.X. & Xiao, B., 1984. An Early Cambrian small shelly fauna from Aksu–Wushi Region, Xinjiang. Professional Papers on Stratigraphy and Palaeontology 13, 65–90. Chinese with English abstract).
  • Qian, Y., Yin, G.Z. & Xiao, B., 2000. Opercula of hyoliths and operculum-like fossils from the Lower Cambrian Yuertus Formation, Xinjiang. Acta Micropalaeontologica Sinica 17, 404–415.
  • Qian, Y. & Zhang, S.B., 1983. Small shelly fossils from the Xihaoping Member of the Tongying Formation in Fangxian County of Hubei Province and their stratigraphical significance. Acta Palaeontologica Sinica 22, 82–94. [Chinese with English abstract]
  • Rozanov, A.Y. & Missarzhevsky, V.V., 1966. Biostratigrafiya i fauna nizhnikh gorizontov kembriya. Trudy Geologicheskogo Instituta Akademiya Nauk SSSR 148, 125.
  • Rozanov, A.Yu., Missarzhevsky, V.V., Volkova, N.A., Voronova, L.G., Krylov, I.N., Keller, B.M., Korolyuk, I.K., Lendzion, K., Michniak, R., Pykhova, N.G. & Sidorov, A.D., 1969. The Tommotian Stage and the Cambrian lower boundary problem. Trudy Geologicheskogo Instituta Akademiya Nauk SSSR 296, 380 pp. [in Russian. English translation published as Raaben, M.E., ed., 1981. Amerind Publishing Company, New Delhi, 359 pp.]
  • Runnegar, B., 1985. Shell microstructures of Cambrian molluscs replicated by phosphate. Alcheringa 9, 245–257.
  • Saito, K., 1936. Older Cambrian Brachiopoda, Gastropoda, etc., from Northwestern Korea. Journal of the Faculty of Science, the Imperial University of Tokyo, Section 2, 4, 345–367.
  • SchlÜter, C., 1885. Über einige neue Anthozoen aus dem Devon. Naturhistorischen Vereins Preussischen Rheinlande und Westfalens. Verhandlungen, Sitzungsberichte der Niederrheinische Gesellschaft für Natur- und Heilkunde, Jahrgang 42, 144–151.
  • Schmidt, G., 2012. Bonnetina (Pachytheca) tanzeri subgen. et sp. n., eine bisher unbeschriebene Vogelspinnenart aus Mexico (Araneae: Theraphosidae: Theraphosinae). Arthropoda Scientia 2-2012, 21–28.
  • Sdzuy, K., 1969. Unter- und mittelkambrische Porifera (Chancellorida und Hexactinellida.): Paläontologische Zeitschrift 43, 115–147.
  • Skovsted, C.B., 2006. Small shelly fossils from the upper Lower Cambrian Bastion and Ella Island Formations, North-East Greenland. Journal of Paleontology 80, 1087–1112.2.0.CO;2]
  • Skovsted, C.B., Pan, B., Topper, T.P., Betts, M.J., Li, G. & Brock, G.A., 2016. The operculum and mode of life of the lower Cambrian hyolith Cupitheca from South Australia and North China. Palaeogeography, Palaeoclimatology, Palaeoecology 443, 123–130.
  • Skovsted, C.B. & Peel, J.S., 2007. Small shelly fossils from the argillaceous facies of the Lower Cambrian Forteau Formation of western Newfoundland. Acta Palaeontologica Polonica 52, 729–748.
  • Skovsted, C.B. & Peel, J.S., 2011. Hyolithellus in life position from the lower Cambrian of North Greenland. Journal of Paleontology 85, 37–47.
  • Skovsted, C.B., Peel, J.S. & Atkins, C.J., 2004. The problematic fossil Triplicatella from the Early Cambrian of Greenland, Canada and Siberia. Canadian Journal of Earth Sciences 41, 1273–1283.
  • Skovsted, C.B., Topper, T.P., Betts, M.J. & Brock, G.A., 2014. Associated conchs and opercula of Triplicatella disdoma (Hyolitha) from the early Cambrian of South Australia. Alcheringa 38, 148–153.
  • Sun, H., Yin, Z., Li, G., Zhao, F., Zeng, H. & Zhu, M., 2020. Periodic shell decollation as an ecology-driven strategy in the early Cambrian Cupitheca. Palaeontology 63, 431–442.
  • Sun, H.J., Malinky, J.M., Zhu, M.Y. & Huang, D.Y., 2018. Palaeobiology of orthothecid hyoliths from the Cambrian Manto Formation of Hebei Province, North China. Acta Palaeontologica Polonica 63, 87–101.
  • Syssoiev, V.A., [Sysoev, V.A.], 1957. To the morphology, systematics and systematic position of the hyoliths. Doklady Akademiya Nauk SSSR 116, 304–307. [in Russian].
  • Syssoiev, V.A., [Sysoev, V.A.], 1958. Superorder Hyolithoidea [in Russian]. In Orlov, U.A., Luppov, N.P. & Druŝic, V.V. (eds.), Osnovy paleontologii. Molluski − Golovonogie. 2, 184–190. Akademiya Nauk SSSR, Moskva. [in Russian].
  • Syssoiev, V.A. [Sysoev, V.A.], 1959. Hyoliths of the genus Circotheca from the Lower Cambrian of the Tajmyr National District. Paleontologicheskiy Zhurnal 1959, 84–94. [in Russian].
  • Ushatinskaya, G.T., 1988. Obolellids (brachiopods) with hinged articulation of valves from the Lower Cambrian of Transbaikalia. Paleontological Journal 1988 (1), 32–38 [=Paleontologicheskiy Zhurnal 1988 (1), 34–39].
  • Val’kov, A.K., 1975. Biostratigrafiya i khiolity kembriya severo-vostoka Sibirskoy platformy. Instituta Geolgia, Moscow, Yakutskiy filial’ Sibirskoe otdelenia, Nauk, Moscow. Akademiya Nauk SSSR, 136 pp.
  • Vasil’eva, N.I., 1998. Melkaya rakovinnaya fauna i biostratigrafiya nizhnego kembriya Sibirskoj platformy. VNIGRI, St. Petersburg, 139. pp.
  • Vasil’eva [Vassiljeva], N.I. & Sayutina, T.A., 1988. Morfologicheskoe raznoobrazie skleritov khantselloriy. 190–198. In Kembriy Sibiri i Sredney Azii. Zhuravleva, I.T. & Repina, L.N., eds., Trudy Instituta Geologii i Geofiziki, Sibirskoe Otdelenie, Akademiya Nauk SSSR, Russian,720, 215. pp.
  • Vendrasco, M.J., Checa, A.G. & Porter, S.M., 2017. Periostracum and fibrous shell microstructure in the unusual Cambrian hyolith Cupitheca. Spanish Journal of Palaeontology 32, 95–108.
  • Vendrasco, M.J., Kouchinsky, A.V., Porter, S.M. & Fernandez, C.Z., 2011. Phylogeny and escalation in Mellopegma and other Cambrian molluscs. Palaeontologica Electronica 14, 2, 11A. palaeo-electronica.org/2011_2/221/index.html
  • Vendrasco, M.J., Porter, S.M., Kouchinsky, A., Li, G. & Fernandez, C.Z., 2010. New data on molluscs and their shell microstructures from the middle Cambrian Gowers Formation, Australia. Palaeontology 53, 97–135.
  • Vologdin, A.G. & Fonin, V.D., 1966. Novye odnostennye tenial’nye arkheotsiaty Priargun’ya. Doklady Akademiya Nauk SSSR 167, 187–190.
  • Walcott, C.D., 1920. Cambrian geology and paleontology IV: 6—Middle Cambrian Spongiae. Smithsonian Miscellaneous Collections 67, 261–364.
  • Waloszek, D., 2003. The ‘Orsten’ Window—A three-dimensionally preserved Upper Cambrian meiofauna and its contribution to our understanding of the evolution of Arthropoda. Paleontological Research 7, 71–88.
  • Wrona, R., 2003. Early Cambrian molluscs from glacial erratics of King George Island, West Antarctica. Polish Polar Research 24, 181–216.
  • Yang, B., Steiner, M. & Keupp, H., 2015. Early Cambrian palaeobiogeography of the Zhenba–Fangxian Block (South China): independent terrane or part of the Yangtze Platform? Gondwana Research 28, 1543–1565.
  • Yin, J., Ding, L., He, T., Li, S. & Shen, L., 1980. The palaeontology and sedimentary environment of the Sinian system in Emei − Ganuluo area, Sichuan. Geological College of Chengdu, Chengdu. 231. pp. [in Chinese].