Apertural modifications and jaw structures of placenticeratid ammonites from the Upper Cretaceous Bagh Group, central India

Neues Jahrbuch fur Geologie und Palaontologie - Monatshefte

Volumn , Issue 4, 1998, Pages 193-202

  Gangopadhyay, T K ^a   Bardhan, S ^b  

^a INDIAN INSTITUTE OF ENGINEERING SCIENCE AND TECHNOLOGY   (India)

^b JADAVPUR UNIVERSITY   (India)

Author keywords

[No Author keywords available]

Indexed keywords

DIMORPHA; PLACENTICERAS;

EID: 0002653387     PISSN: 00283630     EISSN: None     Source Type: Journal    
DOI: 10.1127/njgpm/1998/1998/193     Document Type: Article

References (24)

1. BATT, R. L. (1991): Sutural amplitudes of ammonite shells as a paleoenvironmental indicator - Lethaia, 24: 219-480.
2. CALLOMON, J. H. (1963): Sexual dimorphism in Jurassic ammonites. - Trans, Leicester Lit. Phil. Soc., 57: 21-56.
3. - (1981): Dimorphism in ammonoids. - In: HOUSE, M. R. & SENIOR, J. R. (eds.): The Ammonoidea: The evolution, classification, mode of life and geological usefulness of a major fossil group. The Syst. Assoc. Spec. Vol., 18: 257-283; London (Academic Press).
4. CLARKE, M. R. (1962): The identification of cephalopod 'beaks' and the relationship between beak size and total body weight. - Bull. Brit. Mus. (Natur. Hist.), Zoology, 8: 419-480.
5. DAGYS, A. S., LEHMANN, U., BANDEL, K., TANABE, K. & WEITSCHAT, W. (1989): The jaw apparati of ectocochleate cephalopods. - Paläont. Z., 63: 41-52.
6. GANGULY, T. & BARDHAN, S. (1993): Dimorphism in Placenticeras mintoi from the upper Cretaceous Bagh Beds, central India. - Cretaceous Res., 14: 747-756.
7. KANIE, Y. (1982): Cretaceous tetragonitid ammonite jaws: a comparison with modern Nautilus jaws. -Trans. Proc. Paleont. Soc. Japan, 125: 239-258.
8. KANIE, Y., TANABE, K., FUKUDA, Y., HIRANO, H. & OBATA, I. (1978): A preliminary study of the jaw apparatus in some late Cretaceous ammonites from Japan and Sakhalin. - J. Geol. Soc. Japan, 84: 629-631 [in Japanese].
9. KAUFFMAN, E. G. & KESLING, R. (1960): An upper Cretaceous ammonite bitten by a mosasaur. - Univ. Michigan Contr. Mus. Paleontol., 15: 193-248.
10. KENNEDY, W. J. & KLINGER, H. C. (1973): Upper Cretaceous invertebrate faunas from Durban south Africa. - In: KENNEDY, W. J., KAUFFMAN, E. G. & KLINGER, H. C. (Eds.). - Trans. Geol. Soc. Africa, 76 (2): 95-111.
11. KENNEDY, W. J. & WRIGHT, C. W. (1983): Ammonites polyopsis DUJARDIN, 1837 and the Cretaceous ammonite family Placenticeratidae HYATT, 1900. - Palaeontology, 26: 855-873.
12. KLINGER, H. C. & KENNEDY, W. J. (1989): Cretaceous faunas from Zululand and Natal, south Africa. The ammonite family Placenticeratidae HYATT, 1900; with comments on the systematic position of the Genus Hypengonoceras Spath, 1924. - Ann. South Afr. Mus., 98: 242-399.
13. LANDMAN, N. H. & WAAGE, K. M. (1993): Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. - Bull. Amer. Mus. Natur. Hist., 215: 1-225; New York.
14. LEHMANN, U. (1981): The Ammonites: their life and their world. - 246 p. Cambridge (Cambridge University Press).
15. MAKOWSKI, H. (1963) : Problems of sexual dimorphism in ammonites. - Palaeont. Polon., 12: 1-92.
16. SUMMESBERGER, H. (1979): Eine obersantone Ammonitenfauna aus dem Becken von Gosau (Oberösterreich). - Ann. Naturhist. Mus. Wien, 82: 109-176.
17. TANABE, K. (1983): The jaw apparatuses of Cretaceous desmoceratid ammonites. - Palaeontology, 26: 677-686.
18. TANABE, K. & FUKUDA, Y. (1983): Buccal mass structure of the Cretaceous ammonite Gaudryceras. - Lethaia, 16: 249-256.
19. TANABE, K. & FUKUDA, Y. (1987): The jaw apparatus of the Cretaceous ammonite Reesidites. - Lethaia, 20: 41-48.
20. TANABE, K., FUKUDA, Y. & LEHMANN, U. (1980): Rhyncholites and conchorhynchs as calcified jaw elements in some late Cretaceous ammonites. - Lethaia, 13: 157-168.
21. TANABE, K., HIRANO, H. & KANIE, Y. (1980): The jaw apparatus of Scalarites mihoensis - a late Cretaceous ammonite. - Prof. S. KANNO Memoir vol., 141-147.
22. VREDENBURG, E. W. (1907) : The ammonoids of the Bagh Beds. - Rec. Geol. Surv. India, 36: 109-125.
23. WESTERMANN, G. E. G. (1990): New developments in ecology of Jurassic-Cretaceous ammonoids. - Atti del sec. convegno internazionale Fossili, Evoluzione, Ambiente, Pergola: 459-478.
24. ZAKHAROV, Y. & LOMINADZE, T .A. (1983): New data on the jaw apparatus of fossil cephalopoda. - Lethaia, 16: 67-78.