Echinoderidae () |
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benthic; marine |
Northwest Pacific: Japan. |
Presence of middorsal spines on segments 6 to 10; lateral spines/tubules on segments 4, 7 to 12; lateral spines on segment 8 clearly shorter than the other lateral spines; remarkable trapezium-like subventral fields of minute cuticular hairs on segments 5 to 12. The position of numerous sensory spots, large sieve areas, glandular tubes and the shape of terminal tergal and sternal extensions; lateral terminal spines 43-47% of trunk length (Ref. 318). |
Known from masses of the red algae Corallina pilulifera growing in intertidal pools (Ref. 318). |
Not Evaluated (N.E.) Ref. 123251)
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