WoRMS taxon details
original description
Mazaev A.V. (2015). Upper Kazanian (Middle Permian) gastropods of the Volga–Urals Region. <em>Paleontological Journal.</em> 49(8): 869-986. page(s): 935 [details] Available for editors [request]
From editor or global species database
Etymology From the Latin juvenilus (juvenile) and spira (spire) [details]
Fossil range Middle Permian, Upper Kazanian Substage [details]
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