Caption: Common Name: cumacean, Scientific Name: Cumella vulgaris, Magnification: 5x, Notes: adult crustacean, not larval form, sometimes called helmet shrimp but not actually a shrimp, Order: Cumacea, Family: Nannastacidae, Location: Beneath the Golden Gate Bridge, San Francisco, California, Latitude: 37.82239565, Longitude: -122.48434066