يعرض 1 - 20 نتائج من 20 نتيجة بحث عن '"Speden, Ian G."', وقت الاستعلام: 0.47s تنقيح النتائج
  1. 1
    Academic Journal
    Ecology of Pleistocene Molluscs from Marthas Vineyard: A Reconsideration

    المؤلفون: McAlester, A. Lee, Speden, Ian G., Buzas, Martin A.

    المصدر: Journal of Paleontology, 1964 Sep 01. 38(5), 985-991.

    URL الوصول: https://www.jstor.org/stable/1301620


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  2. 2
    Academic Journal
    Definition, age, and correlation of the Clarence series stages in New Zealand (late early to early late Cretaceous)

    المؤلفون: Crampton, James S., Tulloch, Andy J., Wilson, Graeme J., Ramezani, Jahan, Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 47, issue 1, page 1-19 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.2004.9515033
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.2004.9515033

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  3. 3
    Academic Journal
    Fossil localities in Torlesse rocks of the North Island, New Zealand

    المؤلفون: Speden, Ian G.

    المصدر: Journal of the Royal Society of New Zealand ; volume 6, issue 1, page 73-91 ; ISSN 0303-6758 1175-8899

    الاتاحة: http://dx.doi.org/10.1080/03036758.1976.10421467
    http://www.tandfonline.com/doi/pdf/10.1080/03036758.1976.10421467

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  4. 4
    Academic Journal
    Inoceramus opetiusin the Kahuitara Tuff, Chatham Islands, New Zealand

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 19, issue 3, page 385-387 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1976.10423568
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1976.10423568

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  5. 5
    Academic Journal
    Early Jurassic (Ururoan Stage) Pseudaucellafrom Canterbury Suite rocks at Kaiwara, North Canterbury

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 22, issue 4, page 521-523 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1979.10424161
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1979.10424161

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  6. 6
    Academic Journal
    An association of the Late Triassic bivalves Halobia, Manticula, and Monotisin the Torlesse rocks of North Canterbury

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 18, issue 2, page 279-284 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1975.10418199
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1975.10418199

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  7. 7
    Academic Journal
    Geology of Mt Taitai, Tapuaeroa valley, Raukumara Peninsula

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 19, issue 1, page 71-119 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1976.10423551
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1976.10423551

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  8. 8
    Academic Journal
    Probable synonymy of the lower cretaceous bivalves Maccoyella reflect a(Moore) and Maccoyella magnat a Marwick

    المؤلفون: Day, R. W., Speden, I. G., Fleming, C. A., Waterhouse, J. B., Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 13, issue 4, page 1-16 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1970.10418207
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1970.10418207

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  9. 9
    Academic Journal
    Additional details of the morphology of Maccoyella incurvatawaterhouse and a reconsideration of the age of the genus Maccoyella

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 11, issue 3, page 706-710 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1968.10420280
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1968.10420280

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  10. 10
    Academic Journal
    Three new inoceramid species from the Jurassic of New Zealand

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 13, issue 3, page 825-851 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1970.10431355
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1970.10431355

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  11. 11
    Academic Journal
    Paleoecology and the study of fossil benthic assemblages and communities

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 9, issue 4, page 408-423 ; ISSN 0028-8306 1175-8791

    الاتاحة: http://dx.doi.org/10.1080/00288306.1966.10422485
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1966.10422485

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  12. 12
    Academic Journal
    Distribution, stratigraphy and stratigraphic relationships of cretaceous sediments, western Raukumara Peninsula, New Zealand

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology and Geophysics ; volume 16, issue 2, page 243-268 ; ISSN 0028-8306 1175-8791

    الاتاحة: https://doi.org/10.1080/00288306.1973.10431456
    http://www.tandfonline.com/doi/pdf/10.1080/00288306.1973.10431456

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  13. 13
    Academic Journal
    An association of the Late Triassic bivalves Halobia, Manticula , and Monotis in the Torlesse rocks of North Canterbury.

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology & Geophysics; Mar1975, Vol. 18 Issue 2, p279-284, 6p


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  14. 14
    Academic Journal
    Predation on new zealand cretaceous species of Inoceramus (bivalvia).

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology & Geophysics; Feb1971, Vol. 14 Issue 1, p56-60, 5p


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  15. 15
    Academic Journal
    Probable synonymy of the lower cretaceous bivalves Maccoyella reflect a (Moore) and Maccoyella magnat a Marwick.

    المؤلفون: Day, R. W., Speden, I. G., Fleming, C. A., Waterhouse, J. B., Speden, Ian G.

    المصدر: New Zealand Journal of Geology & Geophysics; Dec1970, Vol. 13 Issue 4, p1-16, 16p


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  16. 16
    Academic Journal
    Additional details of the morphology of Maccoyella incurvata waterhouse and a reconsideration of the age of the genus Maccoyella.

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology & Geophysics; Aug1968, Vol. 11 Issue 3, p706-710, 5p


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  17. 17
    Academic Journal
    Generic status of the Inoceramus? tegulatus species group (Bivalvia) of the latest Cretaceous of North America and Europe

    المؤلفون: Speden, Ian G.

    المصدر: Postilla

    مصطلحات موضوعية: Inoceramus? Tegulatus, Bivalvia, Cretaceous, North America, Europe

    وصف الملف: application/pdf

    Relation: https://elischolar.library.yale.edu/peabody_museum_natural_history_postilla/145; https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1144&context=peabody_museum_natural_history_postilla

    الاتاحة: https://elischolar.library.yale.edu/peabody_museum_natural_history_postilla/145
    https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1144&context=peabody_museum_natural_history_postilla

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  18. 18
    Academic Journal
    Revision of Syncyclonema (Upper Cretaceous) and comparison with other small pectinid bivalves and Entolium

    المؤلفون: Speden, Ian G.

    المصدر: Postilla

    مصطلحات موضوعية: Syncyclonema, Upper Cretaceous, pectinid bivalves, Entolium

    وصف الملف: application/pdf

    Relation: https://elischolar.library.yale.edu/peabody_museum_natural_history_postilla/110; https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1109&context=peabody_museum_natural_history_postilla

    الاتاحة: https://elischolar.library.yale.edu/peabody_museum_natural_history_postilla/110
    https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1109&context=peabody_museum_natural_history_postilla

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  19. 19
    Academic Journal
    The type Fox Hills Formation, Cretaceous (Maestrichtian), South Dakota Part 2. Systematics of the Bivalvia

    المؤلفون: Speden, Ian G.

    المصدر: Bulletin of the Peabody Museum of Natural History

    مصطلحات موضوعية: Fox Hills Formation, Cretaceous, South Dakota, systematics, Bivalvia

    وصف الملف: application/pdf

    Relation: https://elischolar.library.yale.edu/peabody_museum_natural_history_bulletin/33; https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1032&context=peabody_museum_natural_history_bulletin

    الاتاحة: https://elischolar.library.yale.edu/peabody_museum_natural_history_bulletin/33
    https://elischolar.library.yale.edu/cgi/viewcontent.cgi?article=1032&context=peabody_museum_natural_history_bulletin

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  20. 20
    Academic Journal
    Early Jurassic (Ururoan Stage) Pseudaucella from Canterbury Suite rocks at Kaiwara, North Canterbury.

    المؤلفون: Speden, Ian G.

    المصدر: New Zealand Journal of Geology & Geophysics; Jul1979, Vol. 22 Issue 4, p521-523, 3p


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