Age, ontogeny and dimorphism of Macrocephalites triangularis Spath - The oldest macrocephalitid ammonite from Kutch, India

Journal of the Geological Society of India

Volumn 47, Issue 4, 1996, Pages 447-458

  Datta, Kalyanbrata ^a   Bhaumik, Debasish ^b   Jana, Sudipta K ^b   Bardhan, Subhendu ^b  

^a ONGC   (India)

^b JADAVPUR UNIVERSITY   (India)

Author keywords

Bathonian; Gujarat; Kutch; Macrocephalites (Ammonoidea); Palaeontology

Indexed keywords

AMMONITE; BATHONIAN; JURASSIC; MACROCEPHALITES TRIANGULARIS; ONTOGENY; SEXUAL DIMORPHISM;

INDIA, GUJARAT, KUTCH;

EID: 0030460952     PISSN: 00167622     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (30)

1. ARKELL, W. J. (1956). Jurassic Geology of the world. Oliver and Boyd Ltd. London, pp.384-392.
2. BARDHAN, S., DATTA, K., JANA, S.K. and PRAMANIK, D. (1994). Dimorphism in Kheraiceras Spath from the Callovian Chari Formation, Kutch, India. Jour, Paleontology, v.68(2), pp.287-293.
3. BHAUMIK, S., DATTA, K., JANA, S.K. and BARDHAN, S. (1993). Taxonomy and intraspecific variation of Macrocephalites formas us (Sowerby) from the Jurassic Chari Formation, Kutch, western India. Jour. Geol. Soc. India, v.41. pp. 163-179.
4. BISWAS, S.K. (1971). Note on the geology of Kutch. Quart. Jour. Geol. Min. Met. Soc. India, v.43(4), pp.223-235.
5. _ (1977). Mesozoic rock-stratigraphy of Kutch, Gujarat, Quart. Jour. Geol. Min. Met. Soc. India, v.49 (3 and 4), pp. 1-51.
6. CALLOMON, J.H. (1971). On the type species of Macrocephalites Zittel. 1884, and the type specimen of Ammonites macrocephalus Schlotheim, 1813, Palaeontology, v.14, pp.114-130.
7. CALLOMON, J.H., DIETL, G. and PAGE, K.M. (1988). On the ammonite faunal horizons and standard zonations of the Lower Callovian Stage in Europe. 2nd Inter. Symp. Juarssic Stratigraphy, Lisboa, pp.359-376.
8. CARIOU, E. (1984). Biostratigraphic subdivision on the Callovian Stage in the Subtethyan Province of ammonites, correlations with subboreal zonal scheme. Inter. Symp. Jurassic Stratigraphy, Erlangen, Geol. Surv. Denmark, pp.315-326.
9. COLLIGNON, M. (1964). Echelle chronostratigraphique propose pour le domaine Indo-Africano-Malagache (Bathonien moyen a Tithonien). In Colloque du Jurassique 1962. Comptes Rendus et Memoires Institut Grandducal. Section naturelle, phisique et mathematique, Luxemburg, pp.927-937.
10. DATTA, K. (1992). Facies, fauna and sequence: An integrated Approach in the Jurassic Patcham and Chari Formations, Kutch, India. Unpublished Ph.D. thesis, Jadavpur University, Calcutta, 167p.
11. DATTA, K. and BARDHAN, S. (1986). A note on biostratigraphy of the Jurassic rocks of Jumara dome, Kutch, Gujarat. Science and Culture, Calcutta, v.52, pp.169-171.
12. DATTA, K., BHAUMIK, D., JANA, S.K. and BARDHAN, S. (in press). The Bathonian - Callovian Boundary and the age of Macrocephalites triangularis Spath in Kutch, India. (Abstract). 3rd Inter. Symp. Jurassic Stratigraphy, Poitiers, France.
13. DIETL, G. (1981). Uber Macrocephalites (Ammonoidea) aus dem Aspidoides - Oolith und die Bathonium/ Callovium - Grenzschichten det Zollemalb (SW-Deutchland). Stuttgarter Beitrage zur Naturkunde, Serie B, v.68, pp.1-15.
14. DONOVAN, D.T., CALLOMON, J.H. and HOWARTH, M.K. (1981). Classification .of the Jurassic Ammonitina. In: M.R. House and J.R. Senior (eds). The Ammonoidea, Syst. Assoc. Spec. Vol., London, v.18, pp.101-174.
15. GREGORY, J.W. (1900). The corals. Palaeont. Ind., Geol. Surv. India, Calcutta, v.9(2), pp. 12-196.
16. KNIGHT, J.B., COX, L.R., KEEN, A.M. BATTEN, R.L. YOCHELSON, E.L. and ROBERTSON, R. (1964). Systematic description. In: R.C. Moore (ed.), Treatise on Invertebrate Paleontology, part I, Mollusca 1, I 169-I 310. Geol. Soc. Amer, and Univ. Kansas Press. pp. 190-315.
17. KRISHNA, J. and WESTERMANN, G.E.G. (1985). Progress report on the Middle Jurassic ammonites Zones of Kachchh, West India. News. Stratigraphy, v. 14, pp. 1-11.
18. KRISHNA, J., CARIOU, E. and ENAY, R. (1987). Succession of Macrocephalitinae assemblages as revealed at Keera dome in Kachchh, western India. 2nd Inter. Symp. Jurassic Stratigraphy, Lisbon, pp.68-77.
19. KRISHNA, J. and WESTERMANN, G.E.G. (1987). Faunal associations of the Middle Jurassic ammonite genus Macrocephalites in Kachchh, western India. Canadian Jour. Earth. Sci., v.24, pp. 1570-1582.
20. MITRA, K.C. BARDHAN, S. and BHATTACHARYA, D. (1979) A study of Mesozoic stratigraphy of Kutch, Gujarat, with special reference to rock-stratigraphy and biostratigraphy of Keera dome. Bull. Ind. Geol. Assoc., v. 12, pp. 129-144.
21. NOETLING, F. (1897). Fauna of Baluchistan and N.W. Frontier of India. I. The Jurassic fauna, part 1. The fauna of the Kellaways of Mazar Drik, Palaeontologia Indica, v.16 (1), 22p.
22. PANDEY, O.K. and AGRAWAL, S.K. (1984). Bathonian-Callovian mollusca of Gora Dongar, Pahchham "Island", district Kachchh, Gujarat). Quart. Jour. Geol. Min. Met. Soc. India, v. 56(4), pp. 176-196.
23. PANDEY, D.K., SINOH, C.S.P. and AGRAWAL, S.K. (1984) A note on new fossil finds from Gora Donger, Pachchham 'Island', district Kachchh (Gujarat). Jour. Scientific Research, Banaras Hindu University, v.34, pp. 299-310.
24. SPATH, L.F. (1927-1933). Revision of the Jurassic cephalopod fauna of Kachh (Cutch). Palaeontologia Indica, New Series, v.9(2), 945p.
25. THIERRY, J. (1976a). Palaeobiogeographie de quelques Stephanocerateceae (Ammonitina) du Jurassique moyen et superieur: une confrontation avecila theorie mobiliste. Geobios, Lyon, v.9(3), pp. 291-331.
26. _ (1976b). Easai de taxonomie et de phylogenie de la famille des Macrocephalitidae (Ammonitina, Stephanocerataceae, Jurassique moyen). 4e RAST, Paris. Soc. geol. Fr. edit., Paris, 375p.
27. _ (1978). Le genre Macrocephalites au Callovien inferieur (Ammonites, Jurassique moyen). Systematique et evolution, biostratigraphic, biogeographie: Europe et domaine Indo-Malagach. Memoire de Geologie de Universite de Dijon, v.4, 491p.
28. WELLS, J.W. (1956). Scleractinie. In R.C. Moore (ed.). Treatise on Invertebrate Paleontology, part F, Geol. Soc. Amer, and Univ. Kansas Press, 498p.
29. WESTERMANN, G.E. G. and CALLOMON, J.H. (1988). The macrocephalitinae and associated Bathonian and Early Callovian (Jurassic) ammonoids of the Sula Islands and New Gninea. Palaeontographica Abt. A. Stuttgart, v.203, pp. 1-90.
30. WESTERMANN, G.E.G. (1990). New developments in ecology of Jurassic-Cretaceous ammonoids. Atti del seconde convegno intemazionale, Fossili, Evaluzione, Ambieute. Pergola, pp.459-478.