Phylum： Echinodermata 棘皮動物門
Class： Echinoidea 海膽綱
Family： Pericosmidae 緣帶海膽科
Scientific name： Pericosmus keiensis
Chinese name：
Author： Mortensen, 1950
Size： 42mm
Description： 42mm, with spines. Trawled at 100m. Aliguay Island.
North Mindanao, Philippines. May, 2014.
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| Pericosmus keiensis 42mm , full plate. |
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| Pericosmus keiensis , aboral and oral side view. |
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| Pericosmus keiensis , Anterior and posterior view. |
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| Pericosmus keiensis , both side view |
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| Pericosmus keiensis , Aboral view. |
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| Pericosmus keiensis , Detail of petal zone |
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| Pericosmus keiensis , marginal fasciole and peripetalous fasciole |
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| Pericosmus keiensis , Left Lateral view. |
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| Pericosmus keiensis , Oral view. |
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| Pericosmus keiensis , Right Lateral view. |
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| Pericosmus keiensis , upper right Lateral view. |
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| Pericosmus keiensis , marginal fasciole and peripetalous fasciole |
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| Pericosmus keiensis , marginal fasciole and anus |
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| Pericosmus keiensis , marginal fasciole and anus |
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| Pericosmus keiensis , marginal fasciole and sunken anterior ambulacrum |
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| Pericosmus keiensis , marginal fasciole and sunken anterior ambulacrum |
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| Pericosmus keiensis , detail of peripetalous fasciole and petal zone |
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| Pericosmus keiensis , left posterior view |
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| Pericosmus keiensis , right posterior view |
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