Mollusca
Bivalvia
Mytilidae
Bathymodiolus;_three_new_species
~50
997-1866
CR
(CR)_Mound_12,_Jaco_Scarp,_Mound_12
Mollusca
Bivalvia
Mytilidae
Idas_sp.
2
600-1018
CR_HR
(CR)_Mound_12;_(HR)_Hydrate_Ridge_North
Mollusca
Bivalvia
Nuculanidae
Nucula_sp.
1
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Bivalvia
Nuculanidae
Nuculana_sp.
1
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Bivalvia
Vesicomyidae
Calyptogena;_several_species
~20
587-810
HR
(HR)_Hydrate_Ridge_North,_South
Mollusca
Bivalvia
Vesicomyidae
Archivesica_gigas
7
745-1045
CR
(CR)_Mound_12,_Mound_11,_Mound_Quepos,_Jaco_Summit
Mollusca
Bivalvia
Vesicomyidae
Pliocardia_krylovata,_new_species
1
1045
CR
(CR)_Mound_11
Mollusca
Bivalvia
Vesicomyidae
Two_new_species
3
1180-1817
CR
(CR)_Mound_Quepos,_Jaco_Scarp
Mollusca
Bivalvia
Solemyidae
Acharax
10
1001-2209
CR
(CR)_Mound_12,_Parrita_Scar,_Jaco_Summit,_Jaco_Scarp
Mollusca
Gastropoda
Acmaeidae
Bathyacmaea_sp.
1
1800
CR
(CR)_Jaco_Scarp
Mollusca
Gastropoda
Buccinidae
Neptunea_amianta
1
809
HR
(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Cephalaspidae
Diaphana_sp.
3
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Cephalaspidae
Parvamplustrum_sp.
2
774-810
HR
(HR)_Hydrate_Ridge_South
Mollusca
Gastropoda
Hyalogyrinidae
Hyalogyrina;_several_species
~10
587-1816
CR_HR
(CR)_Mound_12,_Mound_12,_Jaco_Scarp,_Jaco_Summit;_(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Lepetidae
Iothia_sp.
2
587-1180
CR_HR
(CR)_Mound_Quepos;_(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Lepetodrilidae
Lepetodrilus;_several_species
~15
1000-1817
CR
(CR)_Mound_12,_Mound_Quepos,_Jaco_Scarp,_Mound_12
Mollusca
Gastropoda
Neolepetopsidae
Neolepetopsis
5
412-1180
CR
(CR)_Mound_12,_Mound_11,_Mound_Quepos,_Quepose_Landslides
Mollusca
Gastropoda
Neolepetopsidae
Paralepetopsis
2
1000
CR
(CR)_Mound_12
Mollusca
Gastropoda
Philinidae
Philine_sp.
2
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Pholadidae
Xylophaga_washingtona
1
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Provannidae
Provanna_sp.
2
1000-1802;_587-610
CR_HR
(CR)_Mound_12,_Jaco_Scarp;_(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Pyropeltidae
Pyropelta;_several_species
8
1000-1817;_587-809
CR_HR
(CR)_Mound_12,_Mound_11,_Mound_Quepos,_Jaco_Scarp;_(HR)_Hydrate_Ridge_North
Mollusca
Gastropoda
Tereneidae
Tereneidae
1
997
CR
(CR)_Mound_12
Mollusca
Gastropoda
Trochidae
Helicrenion_sp.
1
1000
CR
(CR)_Mound_12
Mollusca
Gastropoda
Turbiniidae
Bathyxylophila_sp.
2
1866
CR
(CR)_Jaco_Scarp
Mollusca
Monoplacophora
Laevipilinodae
Laevipilina
1
587-610
HR
(HR)_Hydrate_Ridge_North
Mollusca
Aplacophora
Neomeniidae;_Chaetodermatidae
Neomenia_and_Chaetoderma
5
587-1816
CR_HR
(CR)_Mound_11,_Mound_Quepose,_Mound_12,_Jaco_Scarp;_(HR)_Hydrate_Ridge_North
Mollusca
Polyplacophora
Protochitonidae
Hanleyella_cf._oldroydi
3
997-1433
CR
(CR)_Mound_12,_Mound_Quepos,_Mound_12
Mollusca
Polyplacophora
Leptochitonidae
Leptochiton_sp.
1
1433
CR_HR
(CR)_Mound_Quepos_;_(HR)_Hydrate_Ridge_North
Mollusca
Polyplacophora
Ishnochitonidae
Stenosemus_sp.
1
1433
CR
(CR)_Mound_Quepos
Mollusca
Polyplacophora
Mopaliidae
Placiphorella_sp.
2
587-610
HR
(HR)_Hydrate_Ridge_North
Arthropoda
Crustacea
Alvinocarididae
Alvinocaris_sp.
5
1000-1817
CR_HR
(CR)_Mound_12,_Mound_12,_Jaco_Scarp;_(HR)_Hydrate_Ridge_North
Arthropoda
Crustacea
Galatheidae
Munidopsis_spp.
~10
1005-2209
CR
(CR)_Mound_12,_Parrita_Scar,_Jaco_Scarp
Arthropoda
Crustacea
Galatheidae
One_new_species
nd
1817
CR
(CR)_Jaco_Scarp
Arthropoda
Crustacea
Munidae
Pleuroncodes_monodon
~5
587-610
HR
(HR)_Hydrate_Ridge_North
Arthropoda
Crustacea
Kiwaidae
New_species,_Kiwa_puravida
~5
1000-1008
CR
(CR)_Mound_12
Arthropoda
Crustacea
Paraguridae
Parapagurus_foraminosus
1
587-610
HR
(HR)_Hydrate_Ridge_North
Arthropoda
Crustacea
Paguridae
Pagurus_tanneri
1
1800
CR
(CR)_Jaco_Scarp
Annelida
Polychaeta
Ampharetidae
Amphisamytha;_several_species
~30
587-2209
CR_HR
(CR)_Mound_12,_Parrita_Scar,_Mound_Quepos,_Mound_12,_Jaco_Scarp;_(HR)_Hydrate_Ridge_North
Annelida
Polychaeta
Archinomidae
Archinome;_new_genus_and_species
~10
1000-1817
CR
(CR)_Mound_12,_Mound_Quepos,_Jaco_Scarp
Annelida
Polychaeta
Capitellidae
new_species?
6
1180-1866
CR
(CR)_Mound_Quepos,_Jaco_Scarp
Annelida
Polychaeta
Dorvilleidae
Dorvillea_sp.
3
587-1816
CR_HR
(CR)_Mound_12,_Mound_11,_Mound_Quepos,_Jaco_Scarp,_Jaco_Summit;_(HR)_Hydrate_Ridge_North
Annelida
Polychaeta
Dorvilleidae
Parougia_sp.
5
587-1008
CR_HR
(CR)_Mound_12,_Mound_12;_(HR)_Hydrate_Ridge_North
Annelida
Polychaeta
Dorvilleidae
Ophryotrocha_sp.;_several_species
~10
1866;_600
CR_HR
(CR)_Jaco_Scarp;_(HR)_Hydare_Ridge_North
Annelida
Polychaeta
Flabelligeridae
Brada_sp.
nd
1000-1866;_600
CR_HR
(CR)_Mound_12;_(HR)_Hydrate_Ridge_North
Annelida
Polychaeta
Hesionidae
Gyptis;_several_species
~5
997-1018
CR
(CR)_Mound_12,_Mound_12
Annelida
Polychaeta
Hesionidae
Neogyptis_new_species
~10
997-1008
CR
(CR)_Mound_11,_Mound_12,_Yettisbugh
Annelida
Polychaeta
Hesionidae
Sirsoe_new_species
2
1800
CR
(CR)_Jaco_Scarp
Annelida
Polychaeta
Hesionidae
Vriejenhoekia_new_species
~5
997,_1800
CR
(CR)_Mound_12,_Jaco_Scarp
Annelida
Polychaeta
Lacydonidae
Lacydonia_sp.
~5
745-1040;_587-610
CR_HR
(CR)_Mound_12,_Mound_11,_Jaco_Summit;_(HR)_Hydrate_Ridge_North