Ediacarian sponge spicule clusters from southwestern Mongolia and the origins of the Cambrian fauna

Geology

Volumn 25, Issue 4, 1997, Pages 303-306

  Brasier, Martin ^a   Green, Owen ^a   Shields, Graham ^b  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b GEOLOGICAL INSTITUTE   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMINERALIZATION; SILICA;

CAMBRIANS; FILTER-FEEDING; FOSSIL RECORDS; HEXACTINELLIDA; ISOTOPIC DATA; PHOSPHATIC SEDIMENTS; PROTEROZOIC; SILICA BIOMINERALIZATION;

ANIMALS;

CAMBRIAN; EDIACARAN; FAUNA; FILTER FEEDING; FOSSIL RECORD; METAZOAN; PALEOBIOGEOGRAPHY; PALEOECOLOGY; PROTEROZOIC; SPICULE; SPONGE; EDIACARIAN; HEXACTINELLIDA; PORIFERA; SPONGE SPICULE;

MONGOLIA;

EID: 0030987704     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1997)025<0303:ESSCFS>2.3.CO;2     Document Type: Article

References (43)

1. Bengtson, S., Conway Morris, S., Cooper, B. J., Jell, P. A., and Runnegar, B. N., 1990, Early Cambrian fossils from South Australia: Association of Australasian Palaeontologists Memoir 9, p. 1-364.
2. Bertrand-Sarfati, J., Moussine-Pouchkine, A., Amard, B., and Ait Kaci Ahmed, A., 1995, First Ediacarian fauna found in western Africa and evidence for an Early Cambrian glaciation: Geology, v. 23, p. 133-136.
3. Bond, G. C., Kominz, M. A., and Grotzinger, J. P., 1988, Cambro-Ordovician eustasy: Evidence from geophysical modelling of subsidence in Cordilleran and Appalachian passive margins, in Kleinspehn, K. L., and Paola, C., eds., New perspectives in basin analysis: New York, Springer-Verlag, p. 129-159.
4. Bowring, S. A., Grotzinger, J. P., Isachsen, C. E., Knoll, A. H., Pelechaty, S., and Kolosov, P., 1993, Calibrating Cambrian evolution: Science, v. 261, p. 1293-1298.
5. Brasier, M. D., 1992, Nutrient-enriched waters and the early skeletal fossil record: Geological Society of London Journal, v. 149, p. 621-630.
6. Brasier, M. D., 1995a, Fossil indicators of nutrient levels. 1: Eutrophication and climate change, in Bosence, D. W. J., and Allison, P. A., eds., Marine Palaeoenvironmental analysis from fossils: Geological Society of London Special Publication 83, p. 113-132.
7. Brasier, M. D., 1995b, The basal Cambrian transition and Cambrian bio-events (from terminal Proterozoic extinctions to Cambrian biomeres), in Walliser, O. H., ed., Global events and event stratigraphy in the Phanerozoic: Berlin, Springer-Verlag, p. 113-138.
8. Brasier, M. D., and nine others, 1990, The carbon-and oxygen-isotope record of the Precambrian-Cambrian boundary interval in China and Iran and their correlation: Geological Magazine, v. 127, p. 319-332.
9. Brasier, M. D., Khomentovsky, V. V., and Corfield, R. M., 1993, Stable isotopic calibration of the earliest skeletal fossil assemblages in eastern Siberia (Precambrian-Cambrian boundary): Terra Nova, v. 5, p. 225-232.
10. 13C excursions spanning the Cambrian explosion to the Botomian crisis in Siberia: Geology, v. 22, p. 455-458.
11. Brasier, M. D., Shields, G., Kuleshov, V., and Zhegallo, E. A., 1996, Integrated chemo-and biostratigraphic calibration of early animal evolution: Neoproterozoic-Early Cambrian of SW Mongolia: Geological Magazine, v. 133, p. 445-485.
12. Burns, S. J., and Matter, A., 1993, Carbon isotopic record of the latest Proterozoic from Oman: Eclogae Geologicae Helvetiae, v. 86, p. 595-607.
13. Burns, S. J., Haudenschild, U., and Matter, A., 1994, The strontium isotopic composition of carbonates from the late Precambrian (ca. 560-540 Ma) Huqf Group of Oman: Chemical Geology, v. 111, p. 269-282.
14. Conway Morris, S., 1994, Early Metazoan evolution: First steps to an integration of molecular and morphological data, in Bengtson, S., ed., Early life on Earth: New York, Columbia University Press, p. 450-459.
15. Derry, L. A., Kaufman, A. J., and Jacobsen, S. B., 1992, Sedimentary cycling and environmental change in the Late Proterozoic: Evidence from stable and radiogenic isotopes: Geochimica et Cosmochimica Acta, v. 56, p. 1317-1329.
16. Ding, Q., Xing Y., and Chen, Y., 1988, Metazoa and trace fossils, in Zhao, Z., and Zheng, S., eds., Biostratigraphy of the Yangtze Gorge area, 1, Sinian: Beijing, Geological Publishing House, p. 115-122 (in Chinese).
17. Dong, X., and Knoll, A. H., 1996, Middle and Late Cambrian sponge spicules from Hunan, China: Journal of Paleontology, v. 70, p. 173-184.
18. Gehling, J. G., and Rigby, J. K., 1996, Long expected sponges from the Neoproterozoic Ediacara fauna of South Australia: Journal of Palaeontology, v. 70, p. 185-195.
19. Goldring, R., and Jensen, S., 1996, Trace fossils and biofabrics at the Precambrian-Cambrian boundary interval in western Mongolia: Geological Magazine, v. 133, p. 403-415.
20. Grotzinger, J. P., Bowring, S. A., Saylor, B. Z., and Kaufman, A. J., 1995, Biostratigraphic and geochronologic constraints on early animal evolution: Science, v. 270, p. 598-604.
21. Karlova, G. A., 1987, First findings of skeletal fauna in the Turkut Formation of the Olenek uplift: Academy of Sciences of the USSR Doklady, v. 292, p. 204-205.
22. Kaufman, A. J., and Knoll, A. H., 1995, Neoproterozoic variations in the C-isotopic composition of seawater: Stratigraphic and biogeochemical implications: Precambrian Research, v. 73, p. 27-49.
23. Kaufman, A. J., Hayes, J. M., Knoll, A. H., and Germs, G. J. B., 1991, Isotopic compositions of carbonates and organic carbon from upper Proterozoic successions in Namibia: Stratigraphic variation and the effects of diagenesis and metamorphism: Precambrian Research, v. 49, p. 301-327.
24. Kaufman, A. J., Knoll, A. H., Semikhatov, M. A., Grotzinger, J. P., Jacobsen, S. B., and Adams, W., 1996, Isotopic chemostratigraphy of Proterozoic-Cambrian boundary beds in the western Anabar region, Northern Siberia: Geological Magazine (in press).
25. Khomentovsky, V. V., and Gibsher, A. S., 1996, The Neoproterozoic-Lower Cambrian in northern Govi-Altay, western Mongolia: Regional setting, lithostratigraphy and biostratigraphy: Geological Magazine, v. 133, p. 371-390.
26. Khomentovsky, V. V., and Karlova, G. A., 1993, Biostratigraphy of the Vendian-Cambrian beds and the Lower Cambrian boundary in Siberia: Geological Magazine, v. 130, p. 29-45.
27. Knoll, A. H, Kaufman, A. J., Semikhatov, M. A., Grotzinger, J. P., and Adams, W., 1995a, Sizing up the sub-Tommotian unconformity in Siberia: Geology, v. 23, p. 1139-1143.
28. Knoll, A. H., Grotzinger, J. P., Kaufman, A. J., and Kolosov, P., 1995b, Integrated approaches to terminal Proterozoic stratigraphy: An example from the Olenek Uplift, northeastern Siberia: Precambrian Research, v. 73, p. 251-270.
29. Lindsay, J. F., Brasier, M. D., Shields, G., Khomentovsky, V. V., and Bat-Ireedui, Y. A., 1996a, Glacial facies associations in a Neoproterozoic back-arc setting, Zavkhan Basin, western Mongolia: Geological Magazine, v. 133, p. 391-402.
30. Lindsay, J. F., Brasier, M. D., Dorjnamjaa, D., Goldring, R., Kruse, P. D., and Wood, R. A., 1996b, Facies and sequence controls on the appearance of the Cambrian biota in southwestern Mongolia: Implications for the Precambrian-Cambrian boundary: Geological Magazine, v. 133, p. 417-428.
31. Maliva, R. G., Knoll, A. H., and Siever, R. R., 1989, Secular change in chert distribution; A reflection of evolving biological participation in the silica cycle: Palaios, v. 4, p. 519-532.
32. Moldowan, J. M., Dahl, J., Jacobsen, S. R., Huizinga, B. J., McCaffrey, M. A., and Summons, R. E., 1994, Molecular fossil evidence for Late Proterozoic-early Paleozoic environments: Terra Nova, v. 6 (abstract supplement 3), p. 6.
33. Muchey, B. L., and Jones, D. L., 1992, A mid-Permian chert event: Widespread deposition of biogenic siliceous sediments in coastal, island arc, and ocean basins: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 96, p. 61-174.
34. Narbonne, G. M., Kaufman, A. J., and Knoll, A. H., 1994, Integrated chemostratigraphy and biostratigraphy of the Windermere Supergroup, northwestern Canada: Implications for Neoproterozoic correlations and early evolution of animals: Geological Society of America Bulletin, v. 106, p. 1281-1292.
35. Nicholas, C. J., 1996, The Sr isotope evolution of the oceans during the "Cambrian Explosion": Geological Society of London Journal, v. 153, p. 243-254.
36. 13C isotope stratigraphy for intrabasinal correlation: Vendian strata of northeast Siberia: Geological Society of America Bulletin, v. 108, p. 992-1003.
37. Pokrovsky, B. G., and Missarzhevsky, V. V., 1993, Isotopic correlation of Precambrian and Cambrian of the Siberian platform: Akademiya Nauk Doklady, v. 329, p. 768-771.
38. Retallack, G. J., 1994, Were the Ediacarian fossil lichens?: Paleobiology, v. 20, p. 523-544.
39. Rozanov, A. Yu., and Zhuravlev, A. Yu., 1992, The Lower Cambrian fossil record of the Soviet Union, in Lipps, J. H., and Signor, P. W., eds., Origin and early evolution of the Metazoa: New York, Plenum Press, p. 205-282.
40. Steiner, M., 1994, Die neoproterozoisehen Megaalgen Sudchinas: Berliner Geowissenschaftliche Abhandlungen, ser. E, v. 15, p. 1-46.
41. Steiner, M., Mehl, D., Reitner, J., and Erdtman, B.-D., 1993, Oldest entirely preserved sponges and other fossils from the lowermost Cambrian and a new facies reconstruction for the Yangtze platform (China): Berliner Geowissenschaftliche Abhandlungen, ser. E, v. 9, p. 293-329.
42. Tang, T., Zhang, J., and Jiang, X., 1978, Discovery and significance of the Late Sinian fauna from Western Hunan and Hubei: Acta Stratigraphia a Sinica, v. 2, p. 32-45 (in Chinese).
43. Zhang, X. G., and Pratt, B. R., 1994, New and extraordinary Early Cambrian sponge spicule assemblage from China: Geology, v. 22, p. 43-46.