Astrobrachion constrictum (Snake star). Underwater Photography of the snake star Astrobrachion constrictum. Underwater Photos by New Zealand Photojournalist and Underwater Photographer Richard Robinson. Phylum: Echinodermata. Subphylum: Asterozoa. Class: Ophiuroidea. Order: Euryalida. Family: Euryalidae. Subfamily: Euryalinae. Habitat: A deepwater species which lives mutualistically on Antipatharia (Black Coral).

Astroceras elegans (Brittle Star) Underwater Photography of the brittle star Astroceras elegans. Underwater Photos by New Zealand Photojournalist and Underwater Photographer Richard Robinson. Phylum: Echinodermata. Subphylum: Asterozoa. Class: Ophiuroidea. Order: Euryalida. Family: Euryalidae. Subfamily: Euryalinae. Distribution: Southwest Pacific: New Zealand and Kermadec Islands.

Ophiopsammus maculata (Snake star) Underwater Photography of the snake star Ophiopsammus maculata. Underwater Photos by New Zealand Photojournalist and Underwater Photographer Richard Robinson. Phylum: Echinodermata. Subphylum: Asterozoa. Class: Ophiuroidea. Order: Ophiurida. Suborder: Ophiurina. Infraorder: Ophiodermatina Family: Ophiodermatidae