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SYSTEMATIC LIST OF GENERA
Ophiacantha
Ophiolimna
Ophiophthalmus
Ophioleucidae
Ophiopyren
Ophiuridae
Amphiophiura
Homalophiura
Ophiocten
Ophiomusium
Ophiura
ECHINOIDEA
Cassiduloida
Cassidulae
Conolampas
Cidaroida
Cidaridae
Cidaris
Poriocidaris
Stylocidaris
Clypeasteroidea
Scutellidae
Echinarachnius
Diadematoida
Arbacidae
Coelopleurus
Aspidodiadematidae
Aspidodiadema
Echinidae
Echinus
Lytechinus
Echinothuridae
Araeosoma
Calveriosoma
Hygrosoma
Phormosoma
Sperosoma
Salenidae
Salenia
Strongylocentrotidae
Allocentrotus
Spatangoida
Hemisateridae
Brisaster
Laganidae
Laganum
Palaeopneustidae
Archaeopneustes
Linopneustes
Palaeobrissus
Phrissocystis
Palaeostomidae
Palaeostoma
Pourtalesidae
Pourtalesia
Spatangidae
Brissopsis
Echinocardium
Spatangus
HOLOTHUROIDEA
Elasipodida
Deimatidae
Deima
Oneirophanta
Elpidiidae
Amperima
Ellipinion
Elpidia
Kolga
Peniagone
Scotoplanes
Laetmogonidae
Benthogone
Laetmogone
Pannychia
Psychropotidae
Benthodytes
Psychropotes
Aspidochirotida
Holothuridae
Holothuria
Synallactidae
Bathyplotes
Hansenothuria
Mesothuria
Paelopatides
Paroriza
Pseudostichopus
Dendrochirotida
Cucumariidae
Abyssocucumis
Dactylochirotida
Ypsilothuridae
Ypsilothuria
Molpadida
Molpadidae
Cherbonniera
Molpadia
Apodida
Chiridotidea
Chirodota
CHAETOGNATHA
HEMICHORDATA
ENTEROPNEUSTA
Planktosphaera
Saxipendium
Stereobalanus
CHORDATA
UROCHORDATA
ASCIDIACEA
Phlebobranchia
Ascidiidae
Hypobythius
Stolidabranchia
Pyuridae
Bathypera
Culeolus
Styelidae
Styela
THALIACEA
Doliolida
Doliolidae
Salpida
Salpidae
LARVACEA
VERTEBRATA
AGNATHA
Hyperatreta
Myxinidae
Eptatretus
CHONDRICHTHYES
(= Selachii)
Pleurotremata
Carcharhinidae
Iago
Chimaeridae
Hexanchidae
Heptanchus
Hexanchus
Rajidae
Scyliorhinidae
Galeus
Squalidae
Centroscymnus
Etmopterus
Somniosus
OSTEICHTHYES
Anguilliformes
Muraenesocidae
Muraenesox
Synaphobranchidae
Synaphobranchus
Antheriniformes
Antherinidae
Paraliparis
Beryciformes
Trachichthyidae
Hoplostethus
Clupeiformes
Alepocephalidae
Engraulidae
Engraulis
Gonostomatidae
Cyclothone
Gonostoma
Malacosteidae
Aristostomias
Malacosteus
Melanostomiidea
Pachystomias
Sternoptychidae
Argyropelecus
Gadiformes
Gadidae
Gadus
Lepidion
Phycis
Urophycis
Macrouridae
Coryphaenoides
Nezumia
Merlucciidae
Merluccius
Moridae
Zoarcidae
Lycenchelys
Pachycara
Typhlonus
Lophiformes
Lophiidea
Lophiodes
Perciformes
Lumpenidae
Trichiuridae
Aphanopus
Pleuronectiformes
Pleuronectidae
Pleuronichthys
Scopeliformes
Ipnopidae
Bathymicrops
Bathypterois
Myctophidae
Benthosema
Ceratoscopelus
Scorpaeniformes
Anoplopomatidae
Anoplopoma
Cottidae
Liparidae
Scorpaenidae
Sebastes
Sebastolobus
MAMMALIA
Cetacea
Delphinidae
Balaenopteridae
Balaenoptera