The asteroid genus Haccourtaster (Echinodermata, Goniasteridae) in the Bohemian Cretaceous Basin, Czech Republic

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F05%3A00026647" target="_blank" >RIV/67985831:_____/05:00026647 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The asteroid genus Haccourtaster (Echinodermata, Goniasteridae) in the Bohemian Cretaceous Basin, Czech Republic
Original language description
Numerous dissociated ossicles of a small goniasterid asteroid collected from nearshore sediments of Early-early Middle Turonian age in the Bohemian Cretaceous Basin are referred to a new taxon, Haccourtaster hrbac sp.nov. This is only the second known member of the genus, the type species of which (H. aemstelensis Jagt) comes from the Upper Campanian of Belgium. The new, slightly more primitive species markedly extends downwards the range of the genus, whose main feature (i.e., the system of cavities inthe marginal frame, joining the main body cavity), is discussed. Data on ontogenetic changes as well as on the composition of ossicle assemblages are presented and palaeoecological aspects briefly discussed.
Czech name
Rod Haccourtaster (Echinodermata, Goniasteridae) ve české křídové pánvi, Česká Republika
Czech description
Nový druh Haccourtaster hrbac sp.n. je popsán ze spodního turonu české křídové pánve. Vyznačuje se výraznými výběžky tělní dutiny do marginálního rámce destiček. Funkce výběžků je neznáma, diskutována je paleoeokologie a tafonomie.

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EG - Zoology
OECD FORD branch
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Project
<a href="/en/project/GA206%2F01%2F1580" target="_blank" >GA206/01/1580: Asteroidea (Echinodermata) from the Upper Cretaceous of Bohemia</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2005
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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