Plagiostomoceras cf .angustum (Holzapfel, 1895) from the Late Devonian of Poland. 1. Apical part of a shell with broke inflated embryonic part; latest Frasnian, Płucki by Łagów. 2. Fragment of an adult living chamber (a, b), same locality. 3. Adult living chamber in dorsal (a) and lateral (b ) views, early Frasnian, Rokiczany Dół by Dębnik near Cracow. 4. Longitudinal, slightly oblique section through a phrugmoconc; early Famennian, bed J. 7, Jablonna, Holy Cross Mts.; note the variability in chamber lengths.
Plagiostomoceras cf. angustum (Holzapfel, 1895) from latest Frasnian, Płucki, Holy Cross Mts., Poland; reconstructionof the body chamber (a) and longitudinal section through a siphuncle.
Diagnoza
Porównanie
Autekologia
Występowanie geograficzne
Zasięg czasowy
Materiały muzealne
ZPAL N/509, 511, 514, 516, 529, 551
Literatura
Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255.