Polynodosus nodoundatus
Sugerowana cytacja: Dzik 2015. Polynodosus nodoundatus Helms 1961. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Polynodosus+nodoundatus+)
Diagnoza Blunt apex of widened platform in mature P1 element tending to develop a depression in the middle, ornamented with irregularly distributed tubercles. Porównanie In no sample available to me is the species the only platform-bearing polygnathid and is almost always subordinate in number. Only in sample Md-12 a significant number of P1 elements have been encountered. They co-occur with robust P2 elements of morphology indistinguishable from those attributed to P. triphyllatus. This speaks in favor of the proposed generic affiliation of P. nodoundatus. Presumably this is another derivartive of P. confluens. Autekologia Występowanie geograficzne Łagów, Kowala, Miedzianka, and Ostrówka. Zasięg czasowy The C. marginifera Zone. Materiały muzealne ZPAL: 276 specimens. Literatura Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359. |
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