Flatworms are the most primitive animals with bilateral symmetry. They have a single body opening on the ventral surface.
Acoel flatworms, Waminoa brickneri
Polyclad flatworm, Pseudoceros sp.
Polyclad flatworm, Pseudoceros galatheensis
Flatworm, Pseudoceros hancockanus
Polyclad flatworm, Pseudoceros sp.
Flowers' flatworm, Pseudobiceros flowersi
Fan worms:
Feather duster worm, Sabellastarte sp.
Unidentified feather duster worm, unidentified species
Unidentified fan worm, unidentified species
Slime tube worm (sand fan worm), Myxicola infundibulum
Unidntified feather duster worm, unidentified species
Unidentified feather duster worm, unidentified species
Magnificent tube worm, Protula bispiralis
Unidentified feather duster worm, unidentified species
Unidentified frsther duster worm, unidentified species
Unidentified feather duster worms, unidentified species
Unidentified feather duster worm, unidentified species
Unidentified feather duster worm, Sabellastarte sp.
Feather duster worm, Bispira sp.
Other worms:
Christmas tree worms, Spirobranchius giganteus
Grand coral worm snail, Serpulorbis grandis; this animal is actually a snail.
Solenogaster, Epimenia sp., a shell-less, worm-like mollusc
Amphora fire worm, Chloeia cf amphora
Sea star scale worm, Asterophilia carlae
Fireworm (bristle worm), Chloeia sp.
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Last modified 10 April 2026