Belemniten aus der Jurazeit - Gastrobelus ventroplanus und Gastrobelus subdepressus
Gastrobelus ventroplanus (VOLTZ, 1830). Pliensbachium. Wiesazbett NW Gomaringen 1974 (Rostrum 1).
Gastrobelus subdepressus (VOLTZ, 1830). Pliensbachium. Wiesazbett NW Gomaringen 1974 (Rostren 2 bis 8).
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