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・ Phymorhynchus cingulatus
・ Phymorhynchus clarinda
・ Phymorhynchus coseli
・ Phymorhynchus hyfifluxi
・ Phymorhynchus major
・ Phymorhynchus moskalevi
・ Phymorhynchus ovatus
・ Phymorhynchus speciosus
・ Phymorhynchus starmeri
・ Phymorhynchus sulciferus
・ Phymorhynchus turris
・ Phymorhynchus wareni
・ Phymosia
・ Phymosia umbellata
・ Phymosoma
Phymosomatoida
・ Phymosteus
・ Phynd
・ Phynn
・ Phyno
・ Phyo Ko Ko Thein
・ Phyo Phyo Aung
・ Phyo Un-suk
・ Phyo Yong-myong
・ Phyprosopus
・ Phyprosopus callitrichoides
・ Phyprosopus tristriga
・ Phyre / Phyre2
・ PhyreEngine
・ Phyrganeoidea


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Phymosomatoida : ウィキペディア英語版
Phymosomatoida

The Phymosomatoida are an order of sea urchins, found in Europe, North America, North Africa and the Middle East.
They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, but, unlike their close relatives the Temnopleuroida, the tubercles are never perforated. The opening in the test through which the anus passes, known as the periproct, is unusually large in sea urchins from this group. The apical disc, around the mouth, is only loosely attached to the rest of the test and is often missing in fossil species, giving the false impression that they also have a large oral opening.
==References==

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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「Phymosomatoida」の詳細全文を読む



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