A fossil shell of the
graphoceratid ammonoid
Leioceras opalinum. The shell dates back to the
Aalenian
age (170.3–174.1 million years ago) of the
Middle Jurassic
epoch and is about 38 mm in diameter. It was collected between
Ohmenhausen and
Reutlingen,
Germany.
Photo credit:
H. Zell
A fossil shell of the
graphoceratid ammonoid
Leioceras opalinum. The shell dates back to the
Aalenian
age (170.3–174.1 million years ago) of the
Middle Jurassic
epoch and is about 38 mm in diameter. It was collected between
Ohmenhausen and
Reutlingen,
Germany.
Photo credit:
H. Zell