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Mid-dorsal spines present on segments 6, 8 and 10; uniformly increasing in length posteriorly. Lateral spines on segments 4, 7 to 11 with glands at the L-4 base. Lateral accessory sponge adjacent to L-10 dorsally; lateral terminal spines short and stubby, 36 to 45 um.
Inhabits coarse coralligenous sand (Ref. 1395). Collected from fine calcareous sand with detritus (Ref. 1409).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae