Dinoflagellate cysts from an allochthonous block of Nordenskjöld Formation (Upper Jurassic), north-west James Ross Island

Snape, Michael G.. 1992 Dinoflagellate cysts from an allochthonous block of Nordenskjöld Formation (Upper Jurassic), north-west James Ross Island. Antarctic Science, 4 (03). 267-278. https://doi.org/10.1017/S0954102092000439

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Official URL: http://dx.doi.org/10.1017/S0954102092000439

Abstract/Summary

An allochthonous block of the Nordenskjöld Formation from north-west James Ross Island, Antarctic Peninsula has yielded a diverse marine palynoflora. Dinoflagellate cyst assemblages from the 185 m thick sequence are described and compared with similar microfloras previously described from Australia, Papua New Guinea and Madagascar. A mid Tithonian (Late Jurassic) age is suggested for the section. One new genus, Helbydinium gen. nov. and four new species, Helbydinium scabratum sp. nov., Leptodinium acneum sp. nov., Leptodinium posterosulcatum sp. nov. and Rhynchodiniopsis foveata sp. nov. are described.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1017/S0954102092000439
ISSN:	0954-1020
Date made live:	23 Jan 2018 11:35 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/519059

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1017/S0954102092000439

ISSN:

0954-1020

Date made live:

23 Jan 2018 11:35 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/519059