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Kosmoceras jason (microconch)
Associated dimorph: Kosmoceras jason
Ammonoidea
[Beta] View Kosmoceras sp. occurences on the world map.
Diameter: 56 mm.
Kosmoceras inner whorls are involute and the outer whorls becomes moderately evolute. The fine ribbing on the inner whorls persists on the body chamber and become wavy when approaching the aperture, announcing the lappets. The ventral tubercles, separated by a smooth depression also persists on the body chamber. The periumbilical and mid-flank lateral tubercles are still visible on the body chamber. The ammonite is terminated by two long and thin lappets.
There is no documentation about this species at the moment.
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Created by
Guillaume
on
29/12/2016 - 14:13:51
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