Supplement to Arfianti & Costello (2020) – Mar Ecol Prog Ser 638:83-94 – https://doi.org/10.3354/meps13272 Table S1. List of datasets used in the study. No. of No. of Dataset species occurrences Australian Museum Marine Invertebrate Collection 1,034 9,211 Type locality distributions from the World Register of Marine 998 1,083 Species National Museum of Natural History Invertebrate Zoology 917 14,844 Collections Antarctic Amphipod Crustaceans: Ant'Phipoda Database (BIANZO) 731 4,915 Museums Victoria Marine Invertebrates Collection 512 5,864 EPA'S EMAP Database 419 10,496 iziko South African Museum - Crustacean Collection 409 1,448 cariaco-phytoplankton 389 389 Biodiversity of the Gulf of Mexico Database (BioGoMx) 316 2,077 MAREANO - Base-line mapping of hyperbenthic crustacea fauna 312 4,028 obtained with RP-sledge RSMP Baseline Dataset 305 77,808 Benthic Network 277 10,687 NBI 274 9,190 Biological observations from the Discovery Investigations 1925- 264 1,756 1952 National Benthic Infaunal Database 262 8,985 The UK Archive for Marine Species and Habitats Data 248 16,599 IndOBIS, Indian Ocean Node of OBIS 228 287 Arctic benthic invertebrate collection of the Zoological Institute of 226 4,930 the Russian Academy of Science NEFSC Benthic Database 217 16,739 Crustaceos del Museo de Ciencias naturales de la Universidad Simón 198 4,530 Bolívar Mediterranean Ocean Biogeographic Information System 197 1,624 NIWA Invertebrate Collection 190 860 Atlantic Reference Centre Museum of Canadian Atlantic Organisms 189 1,833 - Invertebrates and Fishes Data Universidad Simon Bolivar Museum of Natural Sciences 188 4,275 DFO Quebec Region MLI museum collection 183 918 MAREANO - Base-line mapping of fauna obtained with grab 180 1,795 Gwaii Haanas Invertebrates 175 793 Biodiversity of benthic assemblages on the Arctic continental shelf: 174 828 historical data from Canada (1955 to 1977) ICES Historical Plankton Dataset 172 3,609 Aegean macrobenthic fauna 171 723 Taxonomic Information System for the Belgian coastal area 165 593 Morrocoy Gastropods Amphipods 163 2,575 Marine data from Natural Resources Wales (NRW) Technical 155 5,517 Support (Research & Monitoring) Contracts, Wales 1 Supplement to Arfianti & Costello (2020) – Mar Ecol Prog Ser 638:83-94 – https://doi.org/10.3354/meps13272 Bay of Fundy Species List 145 145 IndOBIS Dataset (4001-6000) 145 184 Offshore reference stations, Norwegian/Barents Sea 144 3,792 MAREANO - Base-line mapping of epifauna obtained with 141 824 Beamtrawl Marine records from Pembrokeshire Marine Species Atlas 139 1,858 Marine species data for Scottish waters held and managed by 138 2,343 Scottish Natural Heritage, derived from benthic surveys 1993 to 2012 Hyperbenthic communities of the North Sea 130 807 Marine Life Information Network (MarLIN) marine survey data 130 2,297 (Professional) BIOMAERL.Maerl Biodiversity.Functional Structure And 128 410 Antropogenic Impacts (1996-1998). Danish benthic marine monitoring data from ODAM 124 29,529 SHARK - Marine soft bottom macrozoobenthos monitoring in 120 22,842 Sweden since 1971 World Ocean Database 2009 119 1,561 ICES Zoobenthos Community dataset 117 10,468 Benthic species from the tropical Pacific surrounding New Caledonia 116 262 North Sea Benthos Survey 104 1,269 Weddell Sea macrozoobenthos EASIZ I 104 332 FRB Eastern Arctic Investigations: The Calanus Series 103 435 Galathea II, Danish Deep Sea Expedition 1950-52 96 135 Ant'Phipoda Database (New records) 95 876 BIOMÔR 4 The Outer Bristol Channel Marine Habitat Study 93 1,272 Benthos of the White Sea - A database 89 455 Dutch long term monitoring of macrobenthos in the Dutch 88 7,270 Continental Economical Zone of the North Sea Historical benthos data from the North Sea and Baltic Sea from 85 395 1902-1912 BIOMÔR 5 Habitat Mapping for Conservation and Management of 84 502 the Southern Irish Sea (HABMAP) Marine records from Skomer Marine Nature Reserve (MNR) Marine 83 1,219 Monitoring Programme Abundance and diversity of the Amphipoda (Crustacea) from the 82 2,352 Greenlandic shelf Macrobenthos from English waters between 2000-2002 82 372 North Sea observations of Crustacea, Polychaeta, Echinodermata, 82 4,843 Mollusca and some other groups between 1986 and 2003 Marine data from the Bernice P. Bishop Museum 81 496 COMARGIS: Information System on Continental Margin 79 276 Ecosystems REDIT 1 78 815 Cobscook Bay Inventory: A Historical Checklist of Marine 76 76 Invertebrates Spanning 162 Years (1843 - 2005) The Southeast Regional Taxonomic Center 76 213 2 Supplement to Arfianti & Costello (2020) – Mar Ecol Prog Ser 638:83-94 – https://doi.org/10.3354/meps13272 NIWA Invertebrate Type Collection 75 125 AAD Benthic Sampling Database 73 272 Biomôr 1 dataset. Benthic data from the Southern Irish Sea from 73 475 1989-1991 Macrobenthos from the eastern English Channel in 1999 and 2001 72 2,134 Offshore reference stations (Finnmark) 72 955 Discovery Collections Midwater Database 71 1,831 University of Amsterdam (NL) - Benthos monitoring of the North 70 3,674 Sea research database A comparison of benthic biodiversity in the North Sea, English 69 226 Channel and Celtic Seas - Macroinfauna Amphipoda Hyperiidea of the Southern Ocean: catalogue and 69 866 occurrences Macrobenthos samples collected in the Scottish waters in 2001 69 442 Benthic amphipods from Alacranes Reef, Campeche Bank, Mexico 67 173 Les amphipodes de l'Expedition du Siboga 67 113 KOBIS database 66 1,130 Amphipoda. Results of the Zoological Expedition Organized by 63 235 “Grigore Antipa” Museum in the Indonesian Archipelago BIS dataset of the south-western part of Netherlands (1985-2004) 62 11,217 NaGISA Project 62 327 Marine flora and fauna records from the North-east Atlantic 59 100 Zoobenthos data from the Southern Beaufort Sea, 1971-1975 59 249 Ecological hyperbenthic data of the Scheldt estuary: historical data 57 2,236 (1988-2001) Offshore ref. stations, North/Norwegian sea 56 669 Amphipoda (Crustacea) from Indonesia collected by the expedition 55 86 of “Grigore Antipa” Museum from Bucharest FRB: The Cheticamp Expedition of 1917 - Amphipoda collection 54 119 Macrozoobenthos data from the southeastern North Sea in 2000 54 1,124 Macrobenthos from the Norwegian waters 52 849 Long term trends in the macrobenthos of the Belgian Continental 51 2,087 Shelf Macrobenthos monitoring at long-term monitoring stations in the 51 1,821 Belgian part of the North Sea from 2001 on A Biological Survey of the Waters of Woods Hole and Vacinity 50 1,224 Historical benthic data from the southern Baltic Sea (1839-2001) 50 3,076 UFPE Oceanography Zooplankton Research 50 201 Auckland Museum NZ Marine Collection 48 123 Biogeography Scheldt Estuary 46 1,521 BOLD Marine Invertebrate Data 45 125 ChEssBase 45 106 MAR-ECO 2004 45 710 Marine Invertebrate from Argentina, Uruguay and Chile 45 65 Benthic fauna collected in the Arrábida Marine Protected Area (SW 44 295 Portugal) from 2007 to 2009 3 Supplement to Arfianti & Costello (2020) – Mar Ecol Prog Ser 638:83-94 – https://doi.org/10.3354/meps13272 Macrobenthos monitoring in function of aggregate extraction 44 2,110 activities in the Belgian part of the North Sea Marine biological observation data from coastal and offshore surveys 43 62 around New Zealand Benthos Cretan Continental Shelf 42 326 Queensland Museum Crustaceans 42 89 Characterisation of the habitat of the Flemish banks, the maritime country banks and of the hinder banks on the basis of the hyper 41 208 benthos communities South TX Outer Continental Shelf and MI, AL, and FL Outer 40 585 Continental Shelf benthic organism sampling 1974-1978 DFO Central and Arctic Multi-species Stock Assessment Surveys 39 5,338 De Beers Marine Namibia Benthic Monitoring Programme 38 2,554 Schellenberg A. 1936. The fishery grounds near Alexandria. 38 87 Amphipoda Benthonica. Notes and memoirs No 18. NMNH Extant Specimen Records 37 434 NCOS1959_Crustacea 37 375 Ross Sea Biodiversity Survey 2004 (BioRoss) 37 214 Macrozoobenthos of marine waters in mainland Portugal collected in 36 107 March and September 2010 Benthos Gironde Estuary 35 269 Environmental Benchmark Studies in Casco Bay-Portland Harbor, 35 267 Maine, April 1980 DFO Zoobenthos data from upper Frobisher Bay, 1967 to 1973 34 71 SINBIOTA - marine data 34 162 Benthic communities and environmental parameters in three 33 162 Mediterranean ports (Sardinia, Crete, Tunisia) Museum and Art Gallery of the Northern Territory Crustacean 33 122 Collection Biocean 32 112 Monitoring of macrozoobenthos in the Voordelta 32 1,393 The hyperbenthos of subtidal sandbanks on the Belgian Continental 32 164 Shelf: habitats and indicator species Benthic fauna in the Pechora Sea 31 86 Macrobenthos in the Dutch Sector of the North Sea 1991-2001 31 713 Marine Life List of Ireland 31 122 ZooplanktonBeaufortSeaNOGAP2 31 433 Eastern Channel dataset 30 71 Rapid Assessment Surveys of Native and Introduced Marine Organisms in the Northeast United States; Staten Island, New York 30 138 to Eastport, Maine Tasmanian Museum and Art Gallery Invertebrate Collection - marine 30 56 records Macrobenthos monitoring at long-term monitoring stations in the 29 383 Belgian part of the North Sea between 1979 and 1999 Marine Nature Conservation Review (MNCR) and associated benthic 29 64 marine data held and managed by CCW 4 Supplement to Arfianti & Costello (2020) – Mar Ecol Prog Ser 638:83-94 – https://doi.org/10.3354/meps13272 Types_collection_Carcinolgy_MN_UFRJ 29 68 Benthic fauna around Franz Josef Land 28 85 Benthic Fauna in the Barents Sea 28 56 Biogeographic data from BODC