NDLI: First record of an Early Cretaceous shark (Chondrichthyes, Neoselachii) from Antarctica

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First record of an Early Cretaceous shark (Chondrichthyes, Neoselachii) from Antarctica

Content Provider	Scilit
Author	Kriwet, Jürgen
Copyright Year	2003
Description	A shark tooth from the Spartan Glacier Formation of the Fossil Bluff Group of Alexander Island, Antarctic Peninsula is described and assigned to Palaeospinacidae, an extinct group of neoselachian sharks. This tooth was previously supposed to have been recovered from Middle Jurassic strata and to belong to Hybodus. However, sedimentation of the Spartan Glacier Formation was from the Valangian to Aptian. Consequently, an Early Cretaceous age is assigned to the specimen although its exact stratigraphical horizon is unknown. A generic assignment, however, is not possible although it may belong to Paraorthacodus. This specimen represents the first record of a neoselachian from the Early Cretaceous of Antarctica.
Related Links	http://pdfs.semanticscholar.org/9230/05960f1cb0c468585e880cbda54c4241c459.pdf https://www.cambridge.org/core/services/aop-cambridge-core/content/view/9D1500D7A483101526F328BBB651A4EC/S0954102003001627a.pdf/div-class-title-first-record-of-an-early-cretaceous-shark-chondrichthyes-neoselachii-from-antarctica-div.pdf
Ending Page	511
Page Count	5
Starting Page	507
ISSN	09541020
e-ISSN	13652079
DOI	10.1017/s0954102003001627
Journal	Antarctic Science
Issue Number	4
Volume Number	15
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	2003-12-01
Access Restriction	Open
Subject Keyword	Antarctic Science Fossil Bluff Group Synechodontiformes
Content Type	Text
Resource Type	Article
Subject	Geology Ecology, Evolution, Behavior and Systematics Oceanography

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