Authors / CoAuthors
Matsumoto, T. | Skwarko, S.K.
Abstract
Eleven ammonite species, including one new taxon, are described from eleven localities in the south-central Papua New Guinea. One of them, Fauriella boissieri (Pictet), is a member of the Berriasian Tethyan fauna extended to peri-Gondwana. Three large, but fragmentary, ammonites are identified as Puzosia aff. mayoriana (dOrbigny) and Pachydesmoceras sp. B and C, suggesting a Cenomanian age. Acanthoceras rhotomagense (Brongniart), Calycoceras (Newboldiceras) asiaticum (Jimbo), and Cunningtoniceras cunningtoni (Sharpe) indicate more distinctly the Cenomanian age. C. cunningtoni is associated with Desmoceras (Pseudouhligella) aff. ezoanum Matsumoto, both occurring in generally the same area as the type locality of Chimbuites sinuosocostatus (Casey and Glaessner). From another locality a new species, Chimbuites giganteus is described. Chimbuites is regarded as an offshoot of Eopachydiscus, and therefore a member of Pachydiscidae rather than Hoplitidae. A well-preserved specimen of Romaniceras deverianum (dOrbigny) indicates a Turonian age.
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document
eCat Id
81375
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Keywords
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- GA PublicationJournal
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- PNG
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_External
Publication Date
1993-01-01T00:00:00
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geoscientificInformation
Series Information
AGSO Journal of Australian Geology and Geophysics 14:4:411-433
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Unknown
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Extents
[-7.37, -5.45, 143.26, 146.0]
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