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Table 1 List of sampling sites, locality, sampling date, and collected samples in the present study

From: Habitat availability determines distribution patterns of spionid polychaetes (Annelida: Spionidae) around Tokyo Bay

Site Locality Sampling dates Surveyed environment Collected samples
Gastropoda Bivalvia Other invertebrates Substrates
Outside of Tokyo Bay
 A Kominato Aug 2013, Oct 2016, Jul 2017 Rocky shore Cellana nigrolineata, Patelloida saccharina lanx, Lottia dorsuosa, Haliotis diversicolor aquatilis, Haliotis gigantea, Haliotis discus discus, Omphalius pfeifferi pfeifferi, Monodonta confusa, Turbo sazae, Lunella coreensis, Lyncina vitellus, Thais clavigera Pinctada martensii Ishnochitonidae sp., Liolophura japonica, Cryptoplax japonica, Hymeniacidon sinapium, Demospongiae sp.  
 B Chikura Jul 2012, Mar 2013, Jul 2016 Fishery habor Batillaria attramentaria Crassostrea gigas, Saccostrea kegaki Liolophura japonica, Hymeniacidon sinapium  
 C Okinoshima Jul 2013 Rocky shore Patelloida saccharina lanx, Omphalius pfeifferi pfeifferi, Trochus sacellus rota, Monoplex parthenopeus, Thais clavigera Crassostrea gigas, Saccostrea kegaki Liolophura japonica  
 D Tomiura Aug 2013, Apr 2016 Fishery habor Cellana nigrolineata, Patelloida saccharina lanx, Omphalius pfeifferi pfeifferi, Trochus sacellus rota, Turbo stenogyrus, Monoplex parthenopeus, Thais clavigera Hyotissa inermis, Crassostrea gigas, Crossostrea nippona, Saccostrea kegaki   
 E Takeoka Jun 2014 Rocky shore, Fishery habor Chlorostoma lischkei, Omphalius rusticus, Calliostoma unicum, Monoplex parthenopeus, Monodonta confusa, Thais clavigera Crassostrea gigas, Saccostrea kegaki Liolophura japonica  
 F Kannonzaki Jul 2013 Rocky shore Patelloida saccharina lanx, Chlorostoma lischkei, Omphalius rusticus, Monodonta confusa, Thais clavigera Anomia chinensis, Crassostrea gigas, Saccostrea kegaki Liolophura japonica  
 G Ena Aug 2013, Jun 2016 Tidal flat   Crassostrea gigas   Bottom sediment
 H Bishamon May 2014 Tidal flat     Bottom sediment
 I Jyogashima Aug 2012, Aug 2013, Aug 2014 Rocky shore, Fishery habor Haliotis diversicolor aquatilis, Haliotis gigantea, Haliotis discus discus, Chlorostoma lischkei, Omphalius rusticus, Omphalius pfeifferi pfeifferi, Turbo sazae, Turbo stenogyrus, Lunella coreensis, Thais clavigera Ostrea circumpicta (Dead shell), Crassostrea gigas, Crossostrea nippona, Saccostrea kegaki   
Inside of Tokyo Bay
 J Shiomi Apr 2014 Tidal flat     Bottom sediment
 K Obitsu Sep, Nov 2012, Jul, Sep 2014, Apr 2016 Tidal flat Batillaria attramentaria, Laguncula pulchella Crassostrea gigas, Mactra quadrangularis, Ruditapes philippinarum, Meretrix lusoria   Bottom sediment
 L Kisarazu Oct 2013, Oct 2014 Tidal flat, Subtidal   Ruditapes philippinarum, Mya arenaria oonogai   Bottom sediment (SM grab)
 M Mitate Nov 2014 Fishery habor   Perna viridis, Crassostrea gigas   
 N Yoro May 2013 Tidal flat Thais clavigera Crassostrea gigas, Mactra quadrangularis, Mercenaria mercenaria, Dosinia japonica, Ruditapes philippinarum, Meretrix lusoria, Mya arenaria oonogai   Bottom sediment
 O Chiba Apr 2016 Fishery habor   Crassostrea gigas   
 P Inage Apr 2013 Brackishwater pond     Rock
 Q Funabashi Jun 2013, Nov 2014 Tidal flat   Perna viridis, Crassostrea gigas, Macoma incongrua, Mercenaria mercenaria, Ruditapes philippinarum   Bottom sediment
 R Sanbanze Aug 2012, Apr 2013, Jun 2016 Tidal flat   Crassostrea gigas, Mactra quadrangularis, Solen strictus, Dosinia japonica, Ruditapes philippinarum   Bottom sediment
 S Kasai Jul 2013, Jul 2014 Tidal flat   Crassostrea gigas, Mercenaria mercenaria, Dosinia japonica, Ruditapes philippinarum, Meretrix lusoria   Bottom sediment
 T Wakasu Oct 2012, Jul 2013 Fishery habor Littorina brevicula Mytilus galloprovincialis, Perna viridis, Xenostrobus securis, Crassostrea gigas   
 U Odaiba Sep–Dec 2012, May 2016 Subtidal Littorina brevicula Xenostrobus securis, Crassostrea gigas, Mercenaria mercenaria, Ruditapes philippinarum, Meretrix lusoria Molgula manhattensis Bottom sediment (SCUBA)
 V Tama May 2013 Tidal flat   Crassostrea gigas   
 W Kanazawa Jul 2012 Tidal flat Glossaulax didyma, Thais clavigera Crassostrea gigas, Saccostrea kegaki, Ruditapes philippinarum Liolophura japonica, Acanthochitona achates Bottom sediment
 X Nojima Jul 2012, Apr 2014 Tidal flat Littorina brevicula Crassostrea gigas Liolophura japonica Bottom sediment