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・ Siphonaria hispida
・ Siphonaria lessoni
・ Siphonaria normalis
・ Siphonaria pectinata
・ Siphonaria zelandica
・ Siphonariidae
・ Siphonarioidea
・ Siphone Intala
・ Siphonella
・ Siphonellopsis
・ Siphoneugena
・ Siphoneugenia
・ Siphoneugenia densiflora
・ Siphoneugenia occidentalis
・ Siphoneugenia widgreniana
Siphonia
・ Siphoniidae
・ Siphonini
・ Siphoniulus
・ Siphonium
・ Siphonium gaederopi
・ Siphonochelus
・ Siphonochelus angustus
・ Siphonochelus arcuatus
・ Siphonochelus boucheti
・ Siphonochelus erythrostigma
・ Siphonochelus generosus
・ Siphonochelus japonicus
・ Siphonochelus longicornis
・ Siphonochelus lozoueti


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Siphonia : ウィキペディア英語版
Siphonia

''Siphonia'' ("Siphon") is a genus of extinct hallirhoid demosponges of the Upper Cretaceous, from about 125 to 66 million years ago. 〔(Paleobiology Database ) 〕 They lived in the Western Tethys Ocean, in what is now Europe.
==Description==
They all had distinctive pear-shaped bodies that were attached to the seafloor via a long stem. Their common name, "tulip sponges," refers to their suggestive shape, while the genus name refers to how the spongocoel (the main tube of the sponge body) runs almost the entire length of the sponge, as though it were almost a drinking straw.

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「Siphonia」の詳細全文を読む



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