Pirania
Код 2507929
- ISBN: 978-5-5124-3971-5
Код 2507929
High Quality Content by WIKIPEDIA articles! Pirania is a genus of sponge known from the Middle Cambrian Burgess Shale and the Ordovician Fezouata formation. 198 specimens of Pirania are known from the Greater Phyllopod bed, where they comprise 0.38% of the community.
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