Carinacea Kroh & Smith 2010

Salenocidaris miliaris, lateral viewSalenocidaris miliaris, collected from the Galapagos Islands, Ecuador, North Pacific Ocean, by the R. V. Albatross from a depth of 2487 m.

Salenocidaris miliaris, aboral viewSalenocidaris miliaris, collected from the Galapagos Islands, Ecuador, North Pacific Ocean, by the R. V. Albatross from a depth of 2487 m.

Arbacia spatuligera, lateral viewArbacia spatuligera, collected from Salaverry, Peru, South Pacific Ocean.

Arbacia spatuligera, oral viewArbacia spatuligera, collected from Salaverry, Peru, South Pacific Ocean.

Arbacia spatuligera, aboral viewArbacia spatuligera, collected from Salaverry, Peru, South Pacific Ocean.

Tripneustes depressus, lateral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.

Tripneustes depressus, oral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.

Tripneustes depressus, aboral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.

Echinometra vanbrunti, lateral viewEchinometra vanbrunti, collected off Santa Margarita Island, Baja California, Mexico by the R. V. Albatross.

Echinometra vanbrunti, oral viewEchinometra vanbrunti, collected off Santa Margarita Island, Baja California, Mexico by the R. V. Albatross.

Echinometra vanbrunti, aboral viewEchinometra vanbrunti, collected off Santa Margarita Island, Baja California, Mexico by the R. V. Albatross.

Arbacia dufresnii, lateral viewArbacia dufresnii, Icefish Station 12, Falkland Islands, depth 70 -79 m, southwest Atlantic.

Arbacia dufresnii, oral viewArbacia dufresnii, Icefish Station 12, Falkland Islands, depth 70 -79 m, southwest Atlantic.

Arbacia dufresnii, aboral viewArbacia dufresnii, Icefish Station 12, Falkland Islands, depth 70 -79 m, southwest Atlantic.

Arbacia crassispina, lateral viewArbacia crassispina, Tristan de Cunha main Island (tide pools), Central South Atlantic.

Arbacia crassispina, oral viewArbacia crassispina, Tristan de Cunha main Island (tide pools), Central South Atlantic.

Arbacia crassispina, aboral viewArbacia crassispina, Tristan de Cunha main Island (tide pools), Central South Atlantic.

Lytechinus semituberculatus, lateral viewLytechinus semituberculatus, collected off the Galapagos Islands, Ecuador, eastern Pacific, from a depth of 8-9 m.

Lytechinus semituberculatus, oral viewLytechinus semituberculatus, collected off the Galapagos Islands, Ecuador, eastern Pacific, from a depth of 8-9 m.

Lytechinus semituberculatusLytechinus semituberculatus

Lytechins semituberculatus, aboral viewLytechinus semituberculatus, collected off the Galapagos Islands, Ecuador, eastern Pacific, from a depth of 8-9 m.

with sea star