-
3
-
-
15644380300
-
-
note
-
As used here, the term "embryo" refers to all developmental stages before hatching.
-
-
-
-
4
-
-
15644365182
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-
note
-
Samples N-Sh-26, 31, 35, 36; collection of Yue Zhao. The limestone was dissolved in 10% acetic acid to recover the phosphatized fossils.
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9
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0001917965
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A. Hoffman and M. H. Nitecki, Eds. Oxford Univ. Press, New York
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L. E. Babcock and R. M. Feldman in Problematic Fossil Taxa, A. Hoffman and M. H. Nitecki, Eds. (Oxford Univ. Press, New York, 1986), pp. 135-147.
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Werner, B.1
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B. Werner, Palaeontol. Z. 41, 137 (1967); H. Van Iten, Palaeontology 35, 335 (1992); ibid., p. 359; F. Jerre, Lethaia 27, 97 (1994).
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Van Iten, H.1
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B. Werner, Palaeontol. Z. 41, 137 (1967); H. Van Iten, Palaeontology 35, 335 (1992); ibid., p. 359; F. Jerre, Lethaia 27, 97 (1994).
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Palaeontology
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B. Werner, Palaeontol. Z. 41, 137 (1967); H. Van Iten, Palaeontology 35, 335 (1992); ibid., p. 359; F. Jerre, Lethaia 27, 97 (1994).
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Yang, X.1
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0001336707
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Weis, V.M.1
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0010294470
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V. M. Weis, D. R. Keene, L. W. Buss, Biol. Bull. 168, 403 (1985); V. J. Martin and W. E. Archer, ibid. 171, 116 (1986).
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Martin, V.J.1
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15644377481
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V. V. Khomentovsky, M. S. Yakshin, G. A. Karlova, Eds. Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia
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A. K. Valkov, in Pozdnij dokembrij i rannij paleozoj Sibiri, Vendskie otlozheniya, V. V. Khomentovsky, M. S. Yakshin, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1983), pp. 37-48; A. K. Valkov, Biostratigrafiya nizhnego kembriya vostoka Sibirskoj platformy. Yudomo-Olenekskij region (Inst. Geol. YaF SO AN SSSR, Nauka, Moscow, 1987); V. V. Missarzhevsky, Tr. Geol. Inst. Akad. Nauk SSSR 443, 1 (1989); V. V. Khomentovsky, A. K. Valkov, G. A. Karlova, in Pozdnij dokembrij i rannij paleozoj Sibiri. Voprosy regionalnoj stratigrafii, V. V. Khomentovsky, A. S. Gibsher, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1990), pp. 3-57.
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Inst. Geol. YaF SO AN SSSR, Nauka, Moscow
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A. K. Valkov, in Pozdnij dokembrij i rannij paleozoj Sibiri, Vendskie otlozheniya, V. V. Khomentovsky, M. S. Yakshin, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1983), pp. 37-48; A. K. Valkov, Biostratigrafiya nizhnego kembriya vostoka Sibirskoj platformy. Yudomo-Olenekskij region (Inst. Geol. YaF SO AN SSSR, Nauka, Moscow, 1987); V. V. Missarzhevsky, Tr. Geol. Inst. Akad. Nauk SSSR 443, 1 (1989); V. V. Khomentovsky, A. K. Valkov, G. A. Karlova, in Pozdnij dokembrij i rannij paleozoj Sibiri. Voprosy regionalnoj stratigrafii, V. V. Khomentovsky, A. S. Gibsher, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1990), pp. 3-57.
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V. V. Khomentovsky, A. S. Gibsher, G. A. Karlova, Eds. Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia
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A. K. Valkov, in Pozdnij dokembrij i rannij paleozoj Sibiri, Vendskie otlozheniya, V. V. Khomentovsky, M. S. Yakshin, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1983), pp. 37-48; A. K. Valkov, Biostratigrafiya nizhnego kembriya vostoka Sibirskoj platformy. Yudomo-Olenekskij region (Inst. Geol. YaF SO AN SSSR, Nauka, Moscow, 1987); V. V. Missarzhevsky, Tr. Geol. Inst. Akad. Nauk SSSR 443, 1 (1989); V. V. Khomentovsky, A. K. Valkov, G. A. Karlova, in Pozdnij dokembrij i rannij paleozoj Sibiri. Voprosy regionalnoj stratigrafii, V. V. Khomentovsky, A. S. Gibsher, G. A. Karlova, Eds. (Inst. Geol. Geofiz. SO AN SSSR, Novosibirsk, Russia, 1990), pp. 3-57.
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Valkov, A.K.2
Karlova, G.A.3
-
27
-
-
15644366663
-
-
note
-
Sample Sib73-15; coll. SB; glauconitic limestone dissolved in 10% acetic acid.
-
-
-
-
28
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0012157369
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Läromedelsförlagen, Stockholm, Engl. transl. Academic Press, New York
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G. Jägersten, Livscykelns evolution hos Metazoa (Läromedelsförlagen, Stockholm, 1968) [Engl. transl. (Academic Press, New York, 1972)]; C. Nielsen, Animal Evolution; Interrelationships of the Living Phyla (Oxford Univ. Press, Oxford, 1995); E. H. Davidson, K. J. Peterson, R. A. Cameron, Science 270, 1319 (1995); see also contrary arguments by P. J. W. Olive, in The Origins and Relationships of Lower Invertebrates, S. Conway Morris, J. D. George, R. Gibson, H. M. Platt, Eds. (Clarendon, Oxford, 1985), pp. 42-59.
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G. Jägersten, Livscykelns evolution hos Metazoa (Läromedelsförlagen, Stockholm, 1968) [Engl. transl. (Academic Press, New York, 1972)]; C. Nielsen, Animal Evolution; Interrelationships of the Living Phyla (Oxford Univ. Press, Oxford, 1995); E. H. Davidson, K. J. Peterson, R. A. Cameron, Science 270, 1319 (1995); see also contrary arguments by P. J. W. Olive, in The Origins and Relationships of Lower Invertebrates, S. Conway Morris, J. D. George, R. Gibson, H. M. Platt, Eds. (Clarendon, Oxford, 1985), pp. 42-59.
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15644375669
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note
-
We thank J. van den Biggelaar, G. Malmberg, C. Nielsen, and A. Warén for discussions, and J. Bergström, G. Budd, S. Conway Morris, K. Peterson, B. R. Pratt, and two anonymous referees for comments on the manuscript. Supported by grants from the Swedish Natural Science Research Council, the Swedish Institute, the Wenner-Gren Foundation, and the National Natural Science Foundation of China (grant no. 4880072).
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