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・ Pteralyxia kauaiensis
・ Pteralyxia laurifolia
・ Pterandra
・ Pterandra isthmica
・ Pteranodon
・ Pteranodontidae
・ Pteranodontoidea
・ Pterapherapteryx
・ Pterapherapteryx sexalata
・ Pterarene
・ Pterarene sakashitai
・ Pteraspidiformes
・ Pteraspidomorphi
・ Pteraspis
・ Pteraster militaris
Pteraster tesselatus
・ Pterasteridae
・ Pterastheniinae
・ Pteredoa
・ Pterelaus
・ Ptereleotris
・ Ptereleotris evides
・ Ptereleotris hanae
・ Ptereleotris zebra
・ Pterengraulis atherinoides
・ Pterhemia
・ Pteri
・ Pteria
・ Pteria (Cappadocia)
・ Pteria (genus)


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Pteraster tesselatus : ウィキペディア英語版
Pteraster tesselatus

''Pteraster tesselatus'', the slime star or cushion star, is a species of starfish in the family Pterasteridae found in the North Pacific.
== Description ==
The slime star is pentagonal in shape and has a wide central disc and five stumpy arms with upturned tips. It grows to a diameter of about and has an inflated appearance as the entire aboral (upper) surface is covered by a thick, raised, fleshy membrane. This has a smooth soft texture and is pale brown, grey, red, or orange, often with a symmetrical darker pattern. It conceals the madreporite and scales on the aboral surface proper and the gap underneath it is filled with a spongy tissue. A central pore in this membrane allows for water movement. The arms have rows of fan-shaped groups of five to seven spines between which are two rows of tube feet. The red eyespot is surrounded by spines at the apex of each arm.〔(【引用サイトリンク】title=''Pteraster tesselatus'' )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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