Clinoceras cf. dens (Mascke, 1876) from erratic boulders of Baltic origin, Poland. 1. Apertural part of a mature living chamber in lateral (a) and ventral? (b) views ; boulder E-215, E. foliaceus Zone, Lasnarnagian, Mochty by Zakroczym. 2. Partly longitudinally cut phragmocone in lateral view; probably Lasnarnagian, Zgierz. 3. Juvenile specimen in lateral (a) and dorsal? (b) views and section through its phragmocone; boulde E-134, Uhakuan, Wieżyca. 4. Adult body chamber in lateral (a) and ventral (b) views,; boulder E-102, Uhakuan or Kukrusean, Zgierz.
Clinoceras cf. dens Mascke, 1876 from erratic boulders of Baltic origin, Poland; reconstruction of an adult shell (a) based on the specimen from boulder E-215. E. foliaceus Zone, Lasnamagian, Mochty; longitudinal section through the siphuncle (b), same boulder; (c) boulder E-134. Uhakuan?, Wieżyca; and (d) Lasnamagian?, Zgierz; e reconstruction of a phragmocone fragment, probably Raniceps limestone, mid Kundan, Haludden, Oland, Sweden.
Diagnoza
Porównanie
Autekologia
Występowanie geograficzne
Zasięg czasowy
Materiały muzealne
ZPAL N/691, 692, 695, 698, 699, 700
Literatura
Dzik, J. 1984. Phylogeny of the Nautiloidea. Palaeontologia Polonica 45, 1-255.