Siphonodella sp. cf. S. isosticha
Sugerowana cytacja: Moczyński 2016. Siphonodella sp. cf. S. isosticha (Cooper, 1939) . Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Siphonodella+isosticha)
Diagnoza Almost all mature specimens show the second posterior roshal ridge which runs parallel to the margin (unlike the first one that is directed almost transversely to the platform margin), usually forming only a ramp in the dorsal part of the element. Porównanie Autekologia Występowanie geograficzne Zasięg czasowy Materiały muzealne ZPAL Literatura Dzik, J. 1997. Emergence and succession of Carboniferous conodont and ammonoid communities in the Polish part of the Variscan sea. Acta Palaeontologica Polonica 42, 57-170. |
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