Florent's Guide To The

Tropical Reefs

California Horseshoe Worm
Phoronopsis californica
California Horseshoe Worm
Category: Horseshoe Worms
Scientific Name: Phoronopsis californica
Size: Up to 1.5 in. (4 cm)  
Distribution: Pacific, Indonesia
Phoronida (Phylum)
└Phoronidae (Family)
 └Phoronopsis (Genus)

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© 2025 Florent Charpin