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Cidaroid echinoids (subclass Cidaroidea CLAUS, 1880) from the Oxfordian part of a more than 1 km thick Upper Jurassic carbonate sequence developed over epicontinental areas of Poland (Polish Jura, Holy Cross Mountains, Mid-Polish Anticlinorium) are assigned to 133 taxa of the genera Rhabdocidaris DESOR, 1855, Polycidaris QUENSTEDT,1858, Plegiocidaris POMEL, 18833, and Paracidaris POMEL, 1883. Their taxonomy is revised and discussed with a special emphasis on establishing the relationship between species based on bare tests and isolated spines. As former attempts to combine these elements, and to accommodate them into parrticular genera, have resulted in a very confused taxonomy of almost all of the species studied, the synonymies of the Polish species are revised. This offers a new insigth into content of the genus Paracidaris POMEL, 1883, to which the species Paracidaris blumenbachi (MUNSTER in GOLDFUSS, 1826), P. elegans (MUNSTERR in GOLDFUSS, 1826) P.florigemma (PHILLIPS, 1829), P. laeviscula (L.AGASSIZ, 1840), P.propinqua (MUNSTER in GOLDFUSS, 1826) are assigned, and whose relation to the often-confused species Paracidaris parandieri (L. AGASSIZ, 1840) and P.filograna (L.AGASSIZ, 1840) is discussed. The distinction is clarified between the species Plegiocidaris monilifera (GOLDFUSS, 1826) and Plegiocidaris coronata (GOLDFUSS, 1826) whose topotypic material from Staffelstein in Franconia (Germany) is analyzed.
Słowa kluczowe
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Rocznik
Tom
Strony
143--165
Opis fizyczny
Tabl. 14,Bibliogr. 73 poz.,
Twórcy
autor
- Institute of Geology, University of Warsaw, Al. Żwirki i Wigury 93, PL-02-089 Warszawa, Poland
Bibliografia
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BGPK-0638-2942