Diagnosis
provided by World Register of Marine Species
Decametra having cirri 7 mm long, of 16-18 segments of which the sixth or seventh and following are about as long as broad, and the 4-6 preceding the penultimate bear single median aboral tubercle or short spine; P2 largest and longest pinnule, 6 mm long with 18 segments; P3 shorter than P1; arms 45 mm long.
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Distribution
provided by World Register of Marine Species
Houtman Abrolhos to Shark Bay, WA, Australia: Depth range: 13-27 m
Rowe, F. W. E.; Gates, J. (1995). Echinodermata. In ‘Zoological Catalogue of Australia'. 33 (Ed A. Wells.) pp xiii + 510 (CSIRO Australia, Melbourne).
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