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・ Peronet Lamy
・ Peroneus brevis
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・ Peroneutypa
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・ Peronia anomala
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Peronidella
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・ Peronomyrmex
・ Peronopsidae
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・ Peronosclerospora miscanthi
・ Peronosclerospora philippinensis


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Peronidella : ウィキペディア英語版
Peronidella

''Peronidella'' is an extinct genus of Calcareous sponges found in marine sedimentary rocks dated between the Devonian and the Cretaceous periods.〔
These sponges had cylindrically shaped walls, with a typical diameter of 2 cm,〔 with a small platform at the top, showing the position of the Osculum.
Many species, such as ''Peronidella furcata'', were colonial; however, several solitary species are known.
These sponges are relatively abundant in European chalks
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Peronidella」の詳細全文を読む



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