A Silurian oncocerid with preserved colour pattern and muscle scars (Nautiloidea)

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F09%3A00000423" target="_blank" >RIV/00025798:_____/09:00000423 - isvavai.cz</a>
Alternative codes found
RIV/00023272:_____/09:#0001300
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
A Silurian oncocerid with preserved colour pattern and muscle scars (Nautiloidea)
Original language description
New genus Euryrizocerina is striking for two features ? the preservation of shell colouration and muscle attachment scars. These features are reliable for taxonomy and palaeoecology of nautiloids. The colour pattern consists of irregular pulsed transverse bands that differ from the colour patterns known in other oncocerids. Oncocerids exhibit multiple paired muscle scars and there is uncertainty whether these represent an original metamery or a derived feature. Euryrizocerina possesses four pairs of retractor muscle scars, but its ancestor possess multiple pairs of muscle scars around body-chamber. The high evolutionary plasticity of muscle attachments patterns suggests that the muscle complex and its attachment to the shell was under adaptive controland is more likely to reflect the form of the shell and the mode of life of the organism.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DB - Geology and mineralogy
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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