Parvulonoda dubia Enigmatic Sponge-Like Creature From Chengjiang

Name: Parvulonoda dubia (Chengjiang)

Geological Time: Early Cambrian (~525 million years ago)

Size (25.4mm=1 inch): 60 mm long by 23 mm across on a 90 mm by 40 mm matrix

Fossil Site: Quiongzhusi Section, Yu’anshan Member, Heilinpu Formation, Mafang Village, Anning, Kunming, Yunnan Province, China

Code: CJF331

Price: $325.00 - sold

Parvulonoda dubiaDescription: This unusual specimen is Parvulonoda dubia, known from only a few examples. This one is far larger than most, and its nodose surface and conico-cylindrical shape remind some of the sponges like Sentinella of the Burgess Shale. No spicules have ever been discovered, so its assignment as a possible sponge remains in doubt. This exceedingly rare taxon is only known from the Chengjiang Biota.

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