Sasakiela, a new Early Carboniferous porcelliid genus (Porcellioidea, Gastropoda) with an unusual shell ontogeny

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F03%3A00000036" target="_blank" >RIV/00025798:_____/03:00000036 - isvavai.cz</a>
Alternative codes found
RIV/00025798:_____/04:00000190 RIV/00025798:_____/04:00000229
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Sasakiela, a new Early Carboniferous porcelliid genus (Porcellioidea, Gastropoda) with an unusual shell ontogeny
Original language description
A new porcelliid gastropod genus, Sasakiela gen. nov., is described from the Lower Carboniferous of Belgium. It is based on Pleurotomaria ryckholtiana Koninck, 1843, and it is placed into the subfamily Agnesiinae of the Porcelliidae (Archaeogastropoda).The first two whorls of the teleoconch of Sasakiela are openly and planispirally coiled which suggests that juveniles of S. ryckholtiana (Koninck, 1843) lived possibly within the interstices of algal thickets or reef debris like many species of the modern Caecidae. In contrast to the juveniles the adult Sasakiela ryckholtiana had a tightly coiled trochospiral shell and lived more exposed among the organisms of the reef environment. The distribution of openly coiled shells amongst Paleozoic gastropods isbriefly discussed.
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
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2004
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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