Pseudopolygnathus jugosus
Sugerowana cytacja: Dzik, J. 2015. Pseudopolygnathus jugosus Branson & Mehl 1934. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Pseudopolygnathus+jugosus+)
Diagnoza Icrion in the dorsal part of mature P1 element composed of two rows of denticles and additional medial row of minute denticles. Porównanie Icrion developed in this species by widening denticle tips in juveniles and shows axial symmetry owing to asymmetric position of the sharp ridge along the ventral portion of the blade. Mirror-image symmetry is still clearly expressed in curvature of the blade. Autekologia Występowanie geograficzne Kowala, Jabłonna, Ostrówka, and Dzikowiec. Zasięg czasowy P. jugosus and D. trigonica Zones. Materiały muzealne ZPAL: 3,111 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. |
|