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A rare disc-like holdfast of the Ediacaran macroalga from South China

  • Ye Wang (a1), Yue Wang (a2) and Wei Du (a3)

The fixing organ of the Precambrian macroalga was briefly described by most researchers as a holdfast or rhizoid, suggesting a fixation structure and/or tissue differentiation. An Ediacaran macroscopic alga, Discusphyton whenghuiensis n. gen. n. sp., with a complex disc-like holdfast and an unbranching thallus, has been collected, together with abundant and diverse macrofossils (i.e., the Wenghui biota) in black shales of the upper Doushantuo Formation (~560–551 Ma) in northeastern Guizhou, South China. The Wenghui biota lived in a relatively low-energy marine environment and was preserved in situ or nearby their growth position. Morphologically, the macroalgal thallus, including the compressed lamina and cylindrical stipe, might have been suspended in the water column for photosynthesis. Its holdfast, a rare fixing form, is complex in structure and construction, consisting of a globular rhizome and a discoidal rhizoid. The large-sized discoidal rhizoid is regarded as a flat-bottomed and dome-shaped organ to attach the macroalga on the water-rich muddy seafloor. The globular rhizome, expanded by a thallus on the substrate, was originally harder and spherical nature within the dome-shaped rhizoid. It may have been an important organ as a steering knuckle to connect between the stipe and the rhizoid. The macroscopic metaphyte D. whenghuiensis n. gen. n. sp. shows the appearance of complex holdfast in morphology and bio-functions. However, not enough is known, in the absence of more information, to decipher the phylogenetic affinity of D. whenghuiensis n. gen. n. sp. and the origin of a discoidal rhizoid.

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      A rare disc-like holdfast of the Ediacaran macroalga from South China
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*Corresponding author: Yue Wang 〈
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Chen, M., and Xiao, Z., 1991, Discovery of the macrofossils in the upper Sinian Doushantuo Formation at Miaohe, eastern Yangtze Gorges: Scientia Geologica Sinica, v. 4, p. 317324.
Chen, M, and Xiao, Z., 1992, Macrofossil biota from upper Sinian Doushantuo Formation in eastern Yangtze Gorges, China: Acta Palaeontologica Sinica, v. 31, p. 513529.
Chen, M., Xiao, Z., and Yuan, X., 1994a, A new assemblage of megafossils—Miaohe Biota from upper Sinian Doushantuo Formation, Yangtze gorges: Acta Palaeontologica Sinica, v. 33, p. 392403.
Chen, M., Lu, G., and Xiao, Z., 1994b, Preliminary study on the algal macrofossils: Lantian flora from Lantian Formation of Upper Sinian in Southern Anhui Province: Chinese Academy of Science, Institute of Geology, Collection, v. 7, p. 252267.
Chen, M., Chen, Q., and Xiao, Z., 2000, Preliminary discussion on the early evolutionary history of macroscopic plants: Scientia Geologica Sinica, v. 35, p. 115.
Chen, X., and Wang, X., 2002, Morphology and systematic of fossils in the Sinian Wulingshan biota from western Hunan Province: Geological Bulletin of China, v. 21, p. 638645.
Cheng, L., Wang, Y., Chen, H., Wang, Y., and Zhong, Y., 2013, Sedimentary and burial environment of black shales of Sinian to Early Palaeozoic in Upper Yangtze region: Acta Petrologica Sinica, v. 29, p. 29062912.
Condon, D., Zhu, M., Bowring, S., Wang, W., Yang, A., and Jin, Y., 2005, U–Pb ages from the Neoproterozoic Toushantuo Formation, China: Science, v. 308, p. 9598.
De, C., 2003, Possible organisms similar to Ediacaran forms from the Bhander Group, Vindhyan Suppergroup, Late Neoproterozoic of India: Journal of Asian Earth Sciences, v. 2, p. 387395.
Ding, L., Li, Y., Hu, X., Xiao, Y., Su, C., and Huang, J., 1996, Sinian Miaohe Biota: Beijing, Geological Publishing House, 221 p.
Du, R., 1982, The discovery of the fossils such as Chuaria in the Qingkaikou system in northwestern Hebei and their significance: Geological Review, v. 55, p. 620626.
Du, R., and Tian, L., 1985a, Discovery and preliminary study of mega-alga Longfengshania from the Qingbaikou Syetem of the Yanshan Mountain Area: Acta Geologica Sinica, v. 58, n. 3, p. 19190.
Du, R., and Tian, L., 1985b, Algal macrofossils from the Qingbaikou System in the Yanshan Range of North China: Precambrian Research, v. 29, p. 514.
Duan, J.Y., and Lin, W.X., 1980, The features of the late Pre-Cambrian fauna in south Liaoning and its age range: Journal of Jilin University (Earth Science Edition), v. 2, p. 2028.
Farmer, J., Vidal, G., Moczydlowska, M., Strauss, H., Ahlberg, P., and Siedlecka, A., 1992, Ediacaran fossils from the Innerelv Member (late Proterozoic) of the Tanafjorden area, northeastern Finnmark: Geological Magazine, v. 129, p. 181195.
Fedonkin, M.A., 1982, A new generic name for some Precambrian Coelenterates: Paleontologicheskii Zhurnal, v. 2, p. 137147.
Glaessner, M.F., 1984, The Dawn of Animal Life: Cambridge, Cambridge University Press, 244 p.
Han, T.-M., and Runnegar, B., 1992, Megascopic eukaryotic algae from the 2.1-billion-year-old Negaunee Iron-Formation, Michigan: Science, v. 257, p. 232235.
Hofmann, H.J., 1992, Proterozoic carbonaceous films, in Schope, J.W., and Klein, C., The Proterozoic Biosphere: A Multidisciplinary Study: Cambridge, Cambridge University Press, p. 349357.
Hofmann, H.J., and Aitken, J.D., 1979, Precambrian biota from the Little Dal Group, Mackenzie Mountains, northwestern Canada: Canadian Journal of Earth Sciences, v. 16, p. 150166.
Hu, X., 1997, A study on macrofossils ecostratigraphy in Doushantuo Formation at the Late Sinian in the eastern Yangtze Gorges: Journal of Xi’an College of Geology, v. 19, n. 3, p. 913.
Jiang, G., Shi, X., Zhang, S., Wang, Y., and Xiao, S., 2011, Stratigraphy and paleogeography of the Ediacaran Doushantuo Formation (ca. 635–551 Ma) in South China: Gondwana Research, v. 19, p. 831849.
Keller, B.M., Menner, V.V., Stepanov, V.A., and Chumakov, N.M., 1974, New finds of fossils in the Precambrian Valday Series along the Syuzma River: Izvestia Akademii Nauk SSSR, Seriya Geologicheskaya, v. 12, p. 130134.
Kendall, B., Komiya, T., Lyons, T.W., Bates, S.M., Gordon, G.W., Romaniello, S.J., Jiang, G., Creaser, R.A., Xiao, S., McFadden, K., Sawaki, Y., Tahata, M., Shu, D., Han, J., Li, Y., Chu, X., and Anbar, A.D., 2015, Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period: Geochimica et Cosmochimica Acta, v. 156, p. 173193.
Knoll, A.H., Javaux, E.J., Hewitt, D., and Cohen, P., 2006, Eukaryotic organisms in Proterozoic oceans: Philosophical Transactions of the Royal Society, B, v. 361, p. 10231038.
Kumar, S., 2001, Mesoproterozoic megafossil Chuaria–Tawuia association may represent parts of a multicellular plant, Vindhyan Supergroup, Central India: Precambrian Research, v. 106, p. 187211.
Liu, B., and Xu, X., 1994, Atlas of the Lithofacies and Palaeogeography of South China (Sinian–Triassic): Beijing, Science Press, p. 2833.
Liu, Z., and Du, R., 1991, Morphology and systematics of Longfengshania : Acta Palaeontologic Sinica, v. 30, p. 106114.
McCall, G.J.H., 2006, The Vendian (Ediacaran) in the geological record: enigmas in geology’s prelude to the Cambrian explosion: Earth–Science Reviews, v. 77, p. 1229.
Qin, S., Zhu, S., Xie, Z., Chen, Y., and Wang, Y., 1984, The upper Precambrian in Guizhou, in Wang, Y., Yin, G., Zheng, S., Qin, S., Zhu, S., Chen, Y., Luo, Q., Zhu, S., Wang, F., and Qian, Y., The Upper Precambrian and Sinian-Cambrian Boundary in Guizhou: Guiyang, The People’s Publishing House of Guizhou, p. 3776.
Runnegar, B., 1991, Precambrian oxygen levels estimated from the biochemistry and physiology of early eukaryotes: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 97, p. 97111.
Seilacher, A., 1992, Vendobontia and Psammocorallia: lost constructions of Precambrian evolution: Journal of the Geological Society, v. 149, p. 607613.
Seilacher, A., 1999, Biomat-related lifestyles in the Precambrian: Palaios, v. 14, p. 8693.
Serezhnikova, E.A., 2007, Vendian Hiemalora from Arctic Siberia reinterpreted as holdfasts of benthic organisms: Geololgical Society, London, Special Publications, v. 286, p. 331337.
Schneider, D.A., Bickford, M.E., Cannon, W.F., Schulz, K.J., and Hamilton, M.A., 2002, Age of volcanic rocks and syndepositional Iron Formations, Marquette Range Supergroup; implications for the tectonic setting of Paleoproterozoic Iron Formations of the Lake Superior region: Canadian Journal of Earth Sciences, v. 39, p. 9991012.
Sharma, M., and Shukla, Y., 2009, The evolution and distribution of life in the Precambrian eon—Global perspective and the Indian record: Journal of Biosciences, v. 34, p. 765776.
Singh, V., K., Babu, R., and Shukla, M., 2009, Discovery of carbonaceous remains from the Neoproterozoic shales of Vindhyan Supergroup, India: Journal of Evolutionary Biology Research, v. 1, p. 117.
Sprigg, R.C., 1947, Early Cambrian(?) “jellyfishes” from the Flinders Ranges, South Australia: Royal Society of South Australia Transaction, v. 71, p. 212224.
Steiner, M., 1994, Die neoproterozoishen Megaalgen Südchinas: Berliner Geowissrnschaftliche Abhandlungen (E), v. 15, p. 1146.
Steiner, M., Erdtmann, B.D., and Chen, J., 1992, Preliminary assessement of new Late Sinian (Late Proterozoic) large siphonous and filamentous “megaalgae” from eastern Wulingshan, North-Central Hunan, China: Berlinger Geowissenschaftliche Abhandlungen (E), v. 3, p. 305319.
Sun, W.G., 1986, Precambrian medusoids: the Cyclomedusa piexus and Cyclomedusa-like pseudofossils: Precambrian Research, v. 31, p. 325360.
Tang, F., Yin, C., and Gao, L., 1997, A new data of metaphyte fossils from the Late Sinian Doushantuo stage at Xiuning, Anhui Province: Acta Geologica Sinica, v. 71, p. 289296.
Tang, F., Yin, C., Liu, P., Duan, D., and Qao, L., 2008a, Morphological comparison of the Ediacaran Miaohe biota from South China: implications for their affinities and ecology: Acta Geologica Sinica, v. 82, p. 601611.
Tang, F., Yin, C., Stefan, B., Liu, P., Wang, Z., and Gao, L., 2008b, Octoradiate spiral organisms in the Ediacaran of South China: Acta Geologica Sinica (English Edition), v. 82, p. 2734.
Tang, F., Yin, C., Liu, P., Gao, L., and Wang, Z., 2009, Neoproterozoic macrofossil records in South China and biostratigraphic successions and correlations: Acta Geoscientica Sinica, v. 30, p. 505522.
Tang, F., Jin, X., Wang, Y., Ding, M., Zhao, Y., and Gao, L., 2014, Is the Ediacaran Hiemalorathe attachment disc of the Doushantuo macrofossil alga Gesinella? Geological Review, v. 60, p. 10091028.
Wade, M., 1972, Hydrozoa and Scyphozoa and other medusoids from the Late Precambrian Ediacaran fauna, South Australia: Palaeontology, v. 15, p. 197225.
Walcott, C.D., 1899, Precambrian fossiliferous formations: Geological Survey of America Bulletin, v. 10, p. 199244.
Walter, M.R., Oehler, J.H., and Oehler, D.Z., 1976, Megascopic algae 1300 million years old from the Belt Supergroup, Montana: a reinterpretation of Walcott’s Helminthidichnites : Journal of Paleontology, v. 50, p. 872881.
Walter, M.R., Du, R., and Horodyski, R.J., 1990, Coiled carbonaceous megafossils from the middle Proterozoic of Jixian (Tianjin) and Montana: American Journal of Science, v. 290-A, p. 133148.
Wang, Y., and Wang, X., 2006, The holdfasts of macroalgae in the Neoproterozoic Doushantuo Formation in northeastern Guizhou Province and their environmental significance: Acta Micropalaeontologica Sinica, v. 23, p. 145164.
Wang, Y., and Wang, X., 2008, Annelid from the Neoproterozoic Doushantuo Formation in the Northeast Guizhou, China: Acta Geologica Sinica (English Edition), v. 82, p. 257265.
Wang, Y., and Wang, X., 2011, New observations on Cucullus Steiner from the Neoproterozoic Doushantuo Formation of Guizhou, South China: Lethaia, v. 44, p. 275286.
Wang, Y., Qin, S., Zhu, S., and Chen, Y., 1987, Proterozoic Eonothem, in Xie, J., Wang, K., and Han, B., eds., Regional Geology of Guizhou Province: Beijing, Geological Publishing House, p. 2648.
Wang, Y., He, M., Yu, M., Zhao, Y., Peng, J., Yang, Y., and Zhang, Z., 2005, Preliminary discussion on ecological characteristics and buried environments of Miaohe-type biota during the Late Doushantuoian of Sinian in northeastern Guizhou Province: Journal of Palaeogeography, v. 7, p. 328335.
Wang, Y., Wang, X., and Huang, Y., 2007, Macroscopic algae from the Ediacaran Doushantuo Formation in Northeastern Guizhou, South China: Earth Science, v. 32, p. 828844.
Wang, Y., Wang, X., and Huang, Y., 2008, Megascopic symmetrical metazoans from the Ediacaran Doushantuo Formation in northeastern Guizhou, South China: Journal of China University of Geosciences, v. 19, p. 200206.
Wang, Y., Zhao, M., Yang, Y., and Wang, X., 2009, Emergence of marco-organismal ecosystem of the Late Doushantuoian of the Ediacaran in South China, and its significances: Journal of Palaeogeography, v. 6, p. 640650.
Wang, Y., Lei, L., Chen, H., and Hou, M., 2010, Development of the Ediacaran (Sinian) multicellular organisms and formation of the source rocks in the Yangtze area: Sedimentary Geology and Tethyan Geology, v. 30, p. 3038.
Wang, Y., Chen, H., Wang, X., and Huang, Y., 2011, Research on succession of the Ediacaran Doushantuoian meta-community in Northeast Guizhou, South China: Acta Geologica Sinica (English Edition), v. 85, p. 533543.
Wang, Y., Huang, Z., Chen, H., Hou, M., Yang, Y., and Du, B., 2012, Stratigraphical correlation of the Liuchapo Formation with the Dengying Formation in South China: Journal of Jilin University (Earth Science Edition), v. 42, p. 328335.
Wang, Y., Wang, Y., Du, W., and Wang, X., 2014, The correlation between macroscopic algae and metazoans in the Ediacaran: a case study on the Wenghui biota in northeastern Guizhou, South China: Australian Journal of Earth Sciences, v. 61, p. 967977.
Wang, Y., Du, W., Komiya, T., Wang, X., and Wang, Y., 2015a, Macroorganism paleoecosystems during the middle–late Ediacaran Period in the Yangtze Block, South China: Paleontological Research, v. 19, p. 237250.
Wang, Y., Wang, Y., Du, W., and Wang, X., 2015b, The Ediacaran macroalga Zhongbaodaophyton Chen et al. from South China: Alcheringa, v. 39, p. 377387.
Wang, Y., Wang, Y., Du, W., and Wang, X., 2016a, New data of macrofossils in the Ediacaran Wenghui biota from Guizhou, South China: Acta Geologica Sinica (English Edition), v. 90, 16111628.
Wang, Y., Wang, Y., and Du, W., 2016b, The long-ranging macroalga Grypania spiralis from the Ediacaran Doushantuo Formation, Guizhou, South China: Alcheringa, v. 40, 303312.
Xiao, S., 2013, Written in stone: the fossil record of early eukaryotes, in Trueba, G., and Montufar, C., Evolution from the Galapagos, Social and Ecological Interactions in the Gapalagos Island 2: New York, Springer, p. 107124.
Xiao, S., Knoll, A.H., and Yuan, X., 1998, Morphological reconstruction of Miaohephyton bifurcatum, a possible brown alga from the Doushantuo Formation (Neoproterozoic), South China, and its implications for stramenopile evolution: Journal of Paleontology, v. 72, p. 10721086.
Xiao, S., Yuan, X., Steiner, M., and Knoll, A.H., 2002, Macroscopic carbonaceous compressions in a terminal Proterozoic shale, a systematic reassessment of the Miaohe biota, South China: Journal of Paleontology, v. 76, p. 347376.
Xiao, S., Droser, M., Gehling, J.G., Hughes, I.V., Wan, B., Chen, Z., and Yuan, X., 2013, Affirming life aquatic for the Ediacara biota in China and Australia: Geology, v. 41, p. 10951098.
Yan, Y., and Liu, Z., 1997, Tuanshanzian macroscopic algae of 1700Ma B.P. from Changcheng System of Jixian, China: Acta Palaeontologica Sinica, v. 36, p. 1841.
Yuan, X., Li, J., and Chen, M., 1995, Development and their fossil records of metaphytes from Late Precambrian: Acta Palaeontologica Sinica, v. 34, p. 90102.
Yuan, X., Li, J., and Cao, R., 1999, A diverse metaphyte assemblage from the Neoproterozoic black shales of South China: Lethaia, v. 32, p. 143155.
Yuan, X., Xiao, S., Yin, L., Knoll, A.H., Zhou, C., and Mu, X., 2002, Doushantuo Fossils, Life on the Eve of Animal Radiation: Hefei, University of Science and Technology of China Press, 171 p. [in Chinese with English summary]
Yuan, X., Chen, Z., Xiao, S., Zhou, C., and Hua, H., 2011, An early Ediacaran assemblage of macroscopic and morphologically differentiated eukaryotes: Nature, v. 470, p. 390393.
Zhang, X., Hua, H., and Reitner, J., 2006, A new type of Precambrian megascopic fossils: the Jinxian biota from northeastern China: Facies, v. 52, p. 169181.
Zhu, B., Becker, H., Jiang, S., Pi, D., Fischer-Gödde, M., and Yang, J., 2013, Re-Os geochronology of black shales from the Neoproterozoic Doushantuo Formation, Yangtze Platform, South China: Precambrian Research, v. 225, p. 6776.
Zhu, M., Zhang, J., and Yang, A., 2007, Integrated Ediacaran (Sinian) chronostratigraphy of South China: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 254, p. 761.
Zhu, M., Gehling, J.G., Xiao, S., Zhao, Y., and Droser, M.L., 2008, Eight-armed Ediacara fossil preserved in contrasting taphonomic windows from China and Australia: Geology, v. 36, p. 867870.
Zhu, S., and Chen, H., 1995, Megascopic multicellular organisms from the 1700-million-year-old Tuanshanzi Formation in the Jixian area, North China: Science, v. 270, p. 620622.
Zhu, S., Zhu, M., Knoll, A.H., Yin, Z., Zhao, F., Sun, S., Qu, Y., Shi, M., and Liu, H., 2016, Decimetre-scale multicellular eukaryotes from the 1.56-billion-year-old Gaoyuzhuang Formation in North China: Nature Communications, v. 7, 11500 doi: 10.1038/ncomms11500.
Zhu, W., and Chen, M., 1984, On the discovery of macrofossil algae from the late Sinian in the eastern Yangtze Gorges, South China: Acta Botanica Sinica, v. 26, p. 558560.
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