Taxonomy:
Family: Pyuridae
Genus: Pyura
Species: styeliformis

Authority: Monniot F. & Monniot C. 2001

Occurrence: Currently known only from a cave in Flatworm Lake, Palau.

Depth: 1m

Additional information: Monniot & Monniot (2001).

Taxonomy:
Family: Styelidae
Genus: Polycarpa
Species: tumida

Authority: Monniot F. & Monniot C. 2001

Occurrence: Ongeim'l Tketau (Jellyfish Lake)

Depth: 1-2 meters

Additional information: Also known from Western Atlantic, and from Polynesia west to Palau.