New Silurian and Devonian fork-tailed 'thelodonts' are jawless vertebrates with stomachs and deep bodies

Nature

Volumn 361, Issue 6411, 1993, Pages 442-444

  Wilson, Mark V H ^a   Caldwell, Michael W ^a,b  

^a UNIVERSITY OF ALBERTA   (Canada)

^b MCGILL UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ENTOVALVA; PETROMYZONTIDAE; VERTEBRATA;

AGNATHAN; BODY SHAPE; DEVONIAN; GUT MORPHOLOGY; SILURIAN; SYSTEMATICS; THELODONT;

EID: 0027431630     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/361442a0     Document Type: Article

References (30)

1. Forey, P. L. J Vertebr. Paleontol. 4, 330-343 (1984).
2. Turner, S. in Early Vertebrates and Related Problems of Evolutionary Biology (eds Mee-mannr Yu-hai, L. & Guo-rui, Z.) 87-120 (Science Press, Beijing, China, 1991).
3. Blieck, A. & Janvier, P. in Murchison Symposium; Proceedings of an International Conference on the Silurian System, Special Papers in Palaeontology 44 (eds Bassett, M. G, Lane, P. D. & Edwards,) 345-389 (1991).
4. Janvier, P. J. Vertebr. Paleontol. 1, 121-159 (1981).
5. Novitskaya, L. I. & Karatajute-Talimaa, V. N. Paleontol. J. 23, 1-14 (1989).
6. Ritchie, A., thesis, Univ. Edinburgh (1963).
7. Turner, S, Palaeontology 25, 879-889 (1982).
8. Marss, T. J. Vertebr. Paleontol. 6, 1 11 (1986).
9. Ritchie, A. in Current Problems of Lower Vertebrate Phytogeny (eds 0rvig, T.) 81-88 (Almqvist & Wiksell, Stockholm, 1968).
10. Over, D. J. & Chatterton, B. D. E. Geol. Palaeontol. 21, 1-49 (1987).
11. Soehn, K. & Wilson, M. V. H., J. Vertebr. Paleontol. 10, 405-419 (1990).
12. Dineley, D. L. & Loeffler, E. J. The Palaeontological Association, Special Papers in Palaeontology 18, 1-214 (1976).
13. Bernacsek, G. M. & Dineley, D. L., Palaeontogr. Abt. A. 158, 25 (1977).
14. Vergoossen, J. M. J. Geologie en Mijnbouw 71, 51-64 (1992).
15. Romer, A. S. & Parsons, T. S. The Vertebrate Body (Saunders, Toronto, 1977).
16. Kluge, A. Chordate Structure and Function (Macmillan, New York, 1977).
17. Walker, W. F. Jr. Functional Anatomy of the Vertebrates-. An Evolutionary Perspective (Saunders College, Philadelphia, 1987).
18. Young, J. Z. The Life of Vertebrates (Clarendon, Oxford, 1981).
19. Youson, J. H. in Evolutionary Biology of Primitive Fishes (eds Foreman, R. E, Gorbman, A., Dodd, J. M. & Olsson, R.) 59-68 (Plenum, New York, 1985).
20. Halstead, L. B., Nature 282, 833-836 (1979).
21. Janvier, P. Les Cphalaspides du Spitsberg (Editions du Centre National de la Recherche Scien- tifique, Paris, 1985).
22. Bardack, D. & Richardson, E. S. Jr. Fieldiana Geol. 33, 489-510 (1977).
23. Arsenault, M. & Janvier, P. in Early Vertebrates and Related Problems of Evolutionary Biology (eds Mee-mann, C., Yu-hai, L. & Guo-rui, Z.) 19-40 (Science Press, Beijing, China, 1991).
24. Lund, R. & Janvier, P. Geobios 19, 647-652 (1986).
25. Stensid, E. A., Kungliga Svenska Vetenskapsakademians Handlingar (3) 18, 1-25 (1939).
26. Mallatt, J. in Evolutionary Biology of Primitive Fishes (eds Foreman, R. E., Gorbman, A., Dodd, J. M. & Olsson, R.) 59-68 (Plenum, New York, 1985).
27. Denison, R. H. J. Paleontol. 15, 353-561 (1941).
28. Gil more, B., Palaeontology 35, 319-333 (1992).
29. Vieth, J., Goettinger Arb. Geol. Palaontol. 23, 69 (1980).
30. Frickhinger, K. A., Fossilien Atlas: Fische (Mergus, Verlag fur Natur- und Heimtierkunde, Melle, Germany, 1991).