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The Jurassic Age of some supposedly Triassic Mollusca described by Wilckens (1927) from Mt St Mary

 

作者: I. G. Speden,  

 

期刊: New Zealand Journal of Geology and Geophysics  (Taylor Available online 1960)
卷期: Volume 3, issue 3  

页码: 510-523

 

ISSN:0028-8306

 

年代: 1960

 

DOI:10.1080/00288306.1960.10422091

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Four species,Grammatodon otagoensis, Nucula mariana, Pleuromya marianaandHollandites parki, described by Wilckens (1927) as originating from the Kaihikuan (Ladinian) beds of Mt St Mary, are shown to be incorrectly localised, and are compared with respectivelyGrammatodon (Indogrammatodon)sp.,Nucula (Palaeonucula) cuneiformisSowerby,Pleuromya millejormisMarwick andMacrocephalites (Kamp–tokephalites) sp., from the Tema;kan (Middle Jurassic) of South–East Otago, from where they are considered to have been originally collected by J. Park. The identification ofHollandites parkiWilckens withMacrovephalites (Kamptokephalites) sp. removes age and geographic distribution anomalies.

 

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