Tsoy, Ira B; Obrezkova, Maria S (2019): Diatoms and their abundances in the Late Holocene sediments of Core LV77-3-1 from the southern part of Chukchi Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.904147
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Abstract:
Diatoms from 87 sediment samples of the Core LV77-3-1 collected in southern part of Chukchi Sea were examined to reconstruct paleoenvironments of last millennia and correlate with sediment geochemistry data obtained from the same Core. Diatoms in Core Lv77-3-1 are represented by 161 species belonging to 61 genus (table 1). The largest number of species is characteristic of the genera Chaetoceros (15 taxa), Navicula (12), Thalassiosira (10), Coscinodiscus (8), Diploneis (8), Actinocyclus (7). Most species are marine, among which are 62 planktonic, benthic - 63 species. Considerable amount of freshwater (24 taxa) and extinct (12 taxa ) species are encountered but they are single. Analysis of diatoms on a detailed age model showed the periodicity of sedimentation in the zone of influence of the Pacific waters of the Chukchi Sea in the Late Holocene, which is characterized by alternation of relatively cold and warm epochs. The reconstructed changes do not fully reflect the global climate changes of the late Holocene. It is assumed that a possible cause of the discrepancy between ice conditions and global temperature changes is the inflow of warm Pacific waters through the Bering Strait, which increases the duration of the ice-free period.
Related to:
Astakhov, Anatolii S; Shi, Suefa; Darin, Andrey V; Kalugin, Ivan A; Hu, Limin; Tsoy, Ira B; Kolesnik, Alexander N; Obrezkova, Maria S; Alatotsev, Alexandr V; Babich, Valery V; Plotnikov, Vladimir V (2020): Reconstructing ice conditions in the southern Chukchi Sea during the last millennium based on chemical composition of sediments and diatom assemblages. Marine Geology, 106220, https://doi.org/10.1016/j.margeo.2020.106220
Coverage:
Latitude: 68.884008 * Longitude: -172.144747
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 3.325 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Tsoy, Ira B | Geocode | |
| 2 | Depth, top/min | Depth top | m | Tsoy, Ira B | ||
| 3 | Depth, bottom/max | Depth bot | m | Tsoy, Ira B | ||
| 4 | Actinocyclus curvatulus | A. curvatulus | % | Tsoy, Ira B | Janisch; planktonic, oceanic, coldwater | |
| 5 | Actinocyclus ingens | A. ingens | % | Tsoy, Ira B | Rattray; extinct, planktonic, oceanic, warmwater | |
| 6 | Actinocyclus ochotensis | A. ochotensis | % | Tsoy, Ira B | Jousé; planktonic, neritic, oceanic, coldwater | |
| 7 | Actinocyclus octonarius | A. octonarius | % | Tsoy, Ira B | Ehrenberg; planktonic, neritic | |
| 8 | Actinocyclus octonarius var. tenellus | A. octonarius var. tenellus | % | Tsoy, Ira B | (Brébisson) Hendey; benthic, planktonic | |
| 9 | Actinocyclus oculatus | A. oculatus | % | Tsoy, Ira B | Jousé; extinct, planktonic, oceanic, coldwater | |
| 10 | Actinocyclus subtilis | A. subtilis | % | Tsoy, Ira B | (Gregory) Ralfs; planktonic, neritic, coldwater | |
| 11 | Actinoptychus senarius | A. senarius | % | Tsoy, Ira B | (Ehrenberg) Ehrenberg; planktonic, neritic | |
| 12 | Amphora proteus | A. proteus | % | Tsoy, Ira B | brackishwater | |
| 13 | Amphora sp. | Amphora sp. | % | Tsoy, Ira B | benthic | |
| 14 | Arachnoidiscus ehrenbergii | A. ehrenbergii | % | Tsoy, Ira B | Bailey; benthic | |
| 15 | Aulacodiscus affinis | A. affinis | % | Tsoy, Ira B | Grunow; benthic | |
| 16 | Aulacoseira praegranulata forma curvata | A. praegranulata f. curvata | % | Tsoy, Ira B | (Jousé) Simonsen; extinct, freshwater | |
| 17 | Aulacoseira praegranulata var. praeislandica | A. praegranulata var. praeislandica | % | Tsoy, Ira B | (Jousé) Moisseeva; extinct, freshwater | |
| 18 | Azpeitia tabularis | A. tabularis | % | Tsoy, Ira B | (Grunow) Fryxell et Sims; planktonic, oceanic | |
| 19 | Bacillaria socialis | B. socialis | % | Tsoy, Ira B | (Gregory) Ralfs; brackishwater | |
| 20 | Bacterosira bathyomphala | B. bathyomphala | % | Tsoy, Ira B | (Cleve) Syvertsen et Hasle; planktonic, neritic, coldwater | |
| 21 | Bacterosira constricta | B. constricta | % | Tsoy, Ira B | (Gaarder) Park et Lee; planktonic, neritic, coldwater | |
| 22 | Caloneis brevis | C. brevis | % | Tsoy, Ira B | (W.Gregory) Cleve; benthic | |
| 23 | Caloneis westii | C. westii | % | Tsoy, Ira B | (Smith) Hendey; brackishwater | |
| 24 | Chaetoceros aff. coronatus | C. aff. coronatus | % | Tsoy, Ira B | Gran; planktonic, neritic, spore | |
| 25 | Chaetoceros debilis | C. debilis | % | Tsoy, Ira B | Cleve; planktonic, neritic, spore | |
| 26 | Chaetoceros diadema | C. diadema | % | Tsoy, Ira B | Ehrenberg; planktonic, neritic, spore | |
| 27 | Chaetoceros didymus | C. didymus | % | Tsoy, Ira B | Ehrenberg; planktonic, neritic, spore | |
| 28 | Chaetoceros furcellatus | C. furcellatus | % | Tsoy, Ira B | Bailey; planktonic, neritic, spore | |
| 29 | Chaetoceros holsaticus | C. holsaticus | % | Tsoy, Ira B | Schütt; planktonic, neritic, spore | |
| 30 | Chaetoceros ingolfianus | C. ingolfianus | % | Tsoy, Ira B | Ostenfeld; planktonic, neritic, spore | |
| 31 | Chaetoceros lorenzianus | C. lorenzianus | % | Tsoy, Ira B | Grunow; planktonic, neritic, spore | |
| 32 | Chaetoceros mitra | C. mitra | % | Tsoy, Ira B | (Bailey) Cleve; planktonic, neritic, spore | |
| 33 | Chaetoceros radicans | C. radicans | % | Tsoy, Ira B | Schutt; planktonic, neritic, spore | |
| 34 | Chaetoceros sp. | Chaetoceros sp. | % | Tsoy, Ira B | sp. 2 sensu Cremer, 1998; planktonic, neritic, spore | |
| 35 | Chaetoceros spp. | Chaetoceros spp. | % | Tsoy, Ira B | spores; planktonic, neritic, spore | |
| 36 | Chaetoceros teres | C. teres | % | Tsoy, Ira B | Cleve; planktonic, neritic, spore | |
| 37 | Cocconeis costata | C. costata | % | Tsoy, Ira B | Gregory; benthic | |
| 38 | Cocconeis scutellum | C. scutellum | % | Tsoy, Ira B | Ehrenberg; benthic | |
| 39 | Cocconeis vitrea | C. vitrea | % | Tsoy, Ira B | benthic | |
| 40 | Coscinodiscus argus | C. argus | % | Tsoy, Ira B | Ehrenberg; planktonic, neritic | |
| 41 | Coscinodiscus asteromphalus | C. asteromphalus | % | Tsoy, Ira B | Ehrenberg; planktonic, oceanic, warmwater | |
| 42 | Coscinodiscus marginatus | C. marginatus | % | Tsoy, Ira B | Ehrenberg; planktonic, oceanic, coldwater | |
| 43 | Coscinodiscus obscurus | C. obscurus | % | Tsoy, Ira B | Schmidt; planktonic | |
| 44 | Coscinodiscus oculus-iridis | C. oculus-iridis | % | Tsoy, Ira B | (Ehrenberg) Ehrenberg; planktonic, oceanic, coldwater | |
| 45 | Coscinodiscus perforatus var. cellulosus | C. perforatus var. cellulosus | % | Tsoy, Ira B | Grunow; planktonic, oceanic, warmwater | |
| 46 | Coscinodiscus radiatus | C. radiatus | % | Tsoy, Ira B | Ehrenberg; planktonic, neritic, oceanic, warmwater | |
| 47 | Coscinodiscus radiatus var. borealis | C. radiatus var. borealis | % | Tsoy, Ira B | (Ehrenberg) Grunow; planktonic, oceanic, coldwater | |
| 48 | Cosmiodiscus insignis | C. insignis | % | Tsoy, Ira B | (Brun) Jousé; extinct, neritic | |
| 49 | Cymbella spp. | Cymbella spp. | % | Tsoy, Ira B | freshwater | |
| 50 | Delphineis kippae | D. kippae | % | Tsoy, Ira B | Sancetta; benthic | |
| 51 | Delphineis surirella | D. surirella | % | Tsoy, Ira B | (Ehrenberg) Andrews ; benthic | |
| 52 | Diploneis crabro | D. crabro | % | Tsoy, Ira B | (Ehrenberg) Ehrenberg; benthic | |
| 53 | Diploneis didyma | D. didyma | % | Tsoy, Ira B | (Ehrenberg) Ehrenberg; benthic | |
| 54 | Diploneis litoralis | D. litoralis | % | Tsoy, Ira B | (Ehrenberg) Ehrenberg; benthic | |
| 55 | Diploneis litoralis var. clathrata | D. litoralis var. clathrata | % | Tsoy, Ira B | (Østrup) Cleve; benthic | |
| 56 | Diploneis smithii | D. smithii | % | Tsoy, Ira B | (Brébisson) Cleve; benthic, brackishwater | |
| 57 | Diploneis spp. | Diploneis spp. | % | Tsoy, Ira B | benthic | |
| 58 | Diploneis subcincta | D. subcincta | % | Tsoy, Ira B | (Schmidt) Cleve; benthic | |
| 59 | Diploneis suborbicularis | D. suborbicularis | % | Tsoy, Ira B | (Gregory) Cleve; benthic | |
| 60 | Dytilum brightwelli | D. brightwelli | % | Tsoy, Ira B | planktonic | |
| 61 | Encyonema silesiacum | E. silesiacum | % | Tsoy, Ira B | Bleisah; freshwater | |
| 62 | Entomoneis gigantea var. septentrionalis | E. gigantea var. septentrionalis | % | Tsoy, Ira B | (Grunow) M.Poulin et A.Cardinal; benthic | |
| 63 | Epithemia adnata | E. adnata | % | Tsoy, Ira B | (Kützing) Brébisson; freshwater | |
| 64 | Eunotia faba | E. faba | % | Tsoy, Ira B | freshwater | |
| 65 | Eunotia praerupta | E. praerupta | % | Tsoy, Ira B | Ehrenberg; freshwater | |
| 66 | Eunotia spp. | Eunotia spp. | % | Tsoy, Ira B | freshwater | |
| 67 | Eunotia suecica | E. suecica | % | Tsoy, Ira B | Cleve; freshwater | |
| 68 | Eunotia valida | E. valida | % | Tsoy, Ira B | Hustedt; freshwater | |
| 69 | Eupyxidicula arctica | E. arctica | % | Tsoy, Ira B | (Grunow) Blanco et Wetzel; planktonic, neritic | |
| 70 | Eupyxidicula horridus | E. horridus | % | Tsoy, Ira B | (Koizumi) Blanco et Wetzel; extinct, planktonic, neritic | |
| 71 | Eupyxidicula nipponica | E. nipponica | % | Tsoy, Ira B | planktonic, neritic | |
| 72 | Eupyxidicula zabelinae | E. zabelinae | % | Tsoy, Ira B | (Jousé) Blanco et Wetzel; extinct, neritic | |
| 73 | Fossula arctica | F. arctica | % | Tsoy, Ira B | Hasle, Syvertsen et Quillfeldt; planktonic, neritic, coldwater | |
| 74 | Fragilariopsis cylindrus | F. cylindrus | % | Tsoy, Ira B | (Grunow) Krieger; planktonic, neritic, coldwater | |
| 75 | Fragilariopsis oceanica | F. oceanica | % | Tsoy, Ira B | (Cleve) Hasle; planktonic, neritic, coldwater | |
| 76 | Fragilariopsis reginae-jahniae | F. reginae-jahniae | % | Tsoy, Ira B | Witkowski, Lange-Bertalot et Metzeltin; planktonic, neritic, coldwater | |
| 77 | Gomphonema sp. | Gomphonema sp. | % | Tsoy, Ira B | freshwater | |
| 78 | Grammatophora angulosa | G. angulosa | % | Tsoy, Ira B | Ehrenberg; benthic | |
| 79 | Grammatophora arctica | G. arctica | % | Tsoy, Ira B | Cleve; benthic | |
| 80 | Grammatophora arcuata | G. arcuata | % | Tsoy, Ira B | Ehrenberg; benthic | |
| 81 | Grammatophora hamulifera | G. hamulifera | % | Tsoy, Ira B | Kützing; benthic | |
| 82 | Grammatophora oceanica | G. oceanica | % | Tsoy, Ira B | Ehrenberg; benthic | |
| 83 | Halamphora costata | H. costata | % | Tsoy, Ira B | (Smith) Levkov; benthic | |
| 84 | Hantzschia amphioxys | H. amphioxys | % | Tsoy, Ira B | (Ehrenberg) Grunow; freshwater | |
| 85 | Hyalodiscus obsoletus | H. obsoletus | % | Tsoy, Ira B | Sheshukova; planktonic, neritic | |
| 86 | Hyalodiscus scoticus | H. scoticus | % | Tsoy, Ira B | (Kutzing) Grunow; planktonic, neritic | |
| 87 | Lyrella david-mannii | L. david-mannii | % | Tsoy, Ira B | Witkowski, Lange-Bertalot et Metzeltin; benthic | |
| 88 | Melosira arctica | M. arctica | % | Tsoy, Ira B | (Ehrenberg) Dickie; planktonic, neritic, coldwater | |
| 89 | Melosira moniliformis var. octogona | M. moniliformis var. octogona | % | Tsoy, Ira B | (Grunow) Hustedt; fw/bw | |
| 90 | Navicula directa | N. directa | % | Tsoy, Ira B | (W. Smith) Ralfs; benthic | |
| 91 | Navicula kariana var. detersa | N. kariana var. detersa | % | Tsoy, Ira B | Grunow; benthic | |
| 92 | Navicula menisculus | N. menisculus | % | Tsoy, Ira B | Schumann; marine/freshwater | |
| 93 | Navicula peregrina | N. peregrina | % | Tsoy, Ira B | (Ehrenberg) Kützing; brackishwater | |
| 94 | Navicula rhynchocephala | N. rhynchocephala | % | Tsoy, Ira B | Kützing; marine/freshwater | |
| 95 | Navicula spp. | Navicula spp. | % | Tsoy, Ira B | benthic | |
| 96 | Navicula superba | N. superba | % | Tsoy, Ira B | Cleve; benthic | |
| 97 | Navicula superba var. elliptica | N. superba var. elliptica | % | Tsoy, Ira B | Cleve; benthic | |
| 98 | Navicula transitans | N. transitans | % | Tsoy, Ira B | Cleve; benthic | |
| 99 | Navicula transitans var. assimetricus | N. transitans var. assimetricus | % | Tsoy, Ira B | (Cleve) Cleve; benthic | |
| 100 | Navicula valida | N. valida | % | Tsoy, Ira B | Cleve et Grunow; freshwater | |
| 101 | Neidium bisulcatum | N. bisulcatum | % | Tsoy, Ira B | (Lagerstedt) Cleve; freshwater | |
| 102 | Neodenticula kamtschatica | N. kamtschatica | % | Tsoy, Ira B | (Zabelina) Akiba et Yanagisawa; extinct, marine, planktonic, oceanic, coldwater | |
| 103 | Neodenticula seminae | N. seminae | % | Tsoy, Ira B | (Simonsen et Kanaya) Akiba et Yanagisawa; planktonic, oceanic, coldwater | |
| 104 | Nitzschia angularis | N. angularis | % | Tsoy, Ira B | W. Smith; brackishwater | |
| 105 | Nitzschia gelida | N. gelida | % | Tsoy, Ira B | Cleve et Grunow; benthic | |
| 106 | Nitzschia hudsonii | N. hudsonii | % | Tsoy, Ira B | Poulin et Cardinal; benthic | |
| 107 | Nitzschia hybrida | N. hybrida | % | Tsoy, Ira B | Grunow; benthic | |
| 108 | Nitzschia laevissima | N. laevissima | % | Tsoy, Ira B | Grunow; benthic | |
| 109 | Nitzschia polaris | N. polaris | % | Tsoy, Ira B | (Grunow) Grunow; benthic, coldwater | |
| 110 | Nitzschia scabra | N. scabra | % | Tsoy, Ira B | Cleve; benthic | |
| 111 | Nitzschia sp. | Nitzschia sp. | % | Tsoy, Ira B | benthic | |
| 112 | Odontella aurita | O. aurita | % | Tsoy, Ira B | (Lyngbye) Agardh; benthic, planktonic, neritic | |
| 113 | Opephora schwartzii | O. schwartzii | % | Tsoy, Ira B | (Grunow) Petit; freshwater | |
| 114 | Paralia sulcata | P. sulcata | % | Tsoy, Ira B | (Ehrenberg) Cleve; benthic, planktonic, neritic | |
| 115 | Paraplaconeis subplacentula | P. subplacentula | % | Tsoy, Ira B | (Cox) Kulikovskiy et Lange-Bertalot; freshwater | |
| 116 | Pauliella taeniata | P. taeniata | % | Tsoy, Ira B | (Grunow) Round et Basson; planktonic, neritic | |
| 117 | Petroneis granulata | P. granulata | % | Tsoy, Ira B | D.G.Mann; benthic | |
| 118 | Pinnularia bihastata | P. bihastata | % | Tsoy, Ira B | (A.Mann) F.W.Mill; benthic | |
| 119 | Pinnularia brevicostata | P. brevicostata | % | Tsoy, Ira B | Cleve; freshwater | |
| 120 | Pinnularia lata | P. lata | % | Tsoy, Ira B | (Brebisson) Schmidt; freshwater | |
| 121 | Pinnularia quadratarea var. constricta | P. quadratarea var. constricta | % | Tsoy, Ira B | (Østrup) Gran; benthic | |
| 122 | Pinnularia quadratarea var. subglabra | P. quadratarea var. subglabra | % | Tsoy, Ira B | (Ostrup) Poulin et Cardinal; benthic | |
| 123 | Pinnularia spp. | Pinnularia spp. | % | Tsoy, Ira B | freshwater | |
| 124 | Pinnularia viridis | P. viridis | % | Tsoy, Ira B | (Nitzsch) Ehrenberg; freshwater, brackishwater | |
| 125 | Placoneis amphibola | P. amphibola | % | Tsoy, Ira B | (Cleve) E.J.Cox; freshwater | |
| 126 | Placoneis placentula | P. placentula | % | Tsoy, Ira B | (Ehrenberg) Heinzerling; freshwater | |
| 127 | Plagiogramma staurophorum | P. staurophorum | % | Tsoy, Ira B | (W.Gregory) Heiberg; benthic | |
| 128 | Pleurosigma angulatum | P. angulatum | % | Tsoy, Ira B | (Quekett) Smith; benthic | |
| 129 | Podosira dubia | P. dubia | % | Tsoy, Ira B | (Kützing) Grunow; brackishwater | |
| 130 | Porosira glacialis | P. glacialis | % | Tsoy, Ira B | (Grunow) Jorgensen; planktonic, neritic, coldwater | |
| 131 | Porosira punctata | P. punctata | % | Tsoy, Ira B | (Jousé) Makarova; extinct, planktonic, neritic, coldwater | |
| 132 | Proboscia alata | P. alata | % | Tsoy, Ira B | (Brightwell) Sundström; planktonic, oceanic, coldwater | |
| 133 | Proboscia barboi | P. barboi | % | Tsoy, Ira B | (Brun) Jordan et Priddle; extinct, planktonic, oceanic, coldwater | |
| 134 | Proboscia curvirostris | P. curvirostris | % | Tsoy, Ira B | (Jousé) Jordan et Priddle; extinct, planktonic, oceanic, coldwater | |
| 135 | Proboscia subarctica | P. subarctica | % | Tsoy, Ira B | Takahashi, Jordan et Priddle; planktonic, oceanic, coldwater | |
| 136 | Pseudogomphonema arcticum | P. arcticum | % | Tsoy, Ira B | (Grunow) Medlin; benthic | |
| 137 | Pseudogomphonema kamtschaticum | P. kamtschaticum | % | Tsoy, Ira B | (Grunow) Medlin; benthic | |
| 138 | Pseudogomphonema septentrionale | P. septentrionale | % | Tsoy, Ira B | (Østrup) Medlin; benthic | |
| 139 | Pseudopyxilla dubia | P. dubia | % | Tsoy, Ira B | (Grunow) Forti; planktonic, neritic, spore | |
| 140 | Reimeria sinuata | R. sinuata | % | Tsoy, Ira B | (W.Gregory) Kociolek et Stoermer; freshwater | |
| 141 | Rhizosolenia hebetata | R. hebetata | % | Tsoy, Ira B | Bailey; planktonic, oceanic, coldwater | |
| 142 | Rhizosolenia hebetata forma semispina | R. hebetata f semispina | % | Tsoy, Ira B | (Hensen) Gran; planktonic, oceanic, coldwater | |
| 143 | Rhizosolenia setigera | R. setigera | % | Tsoy, Ira B | Brightwell; planktonic, neritic | |
| 144 | Rhizosolenia styliformis | R. styliformis | % | Tsoy, Ira B | Brightwell; planktonic, oceanic, coldwater | |
| 145 | Sellaphora bacillum | S. bacillum | % | Tsoy, Ira B | (Ehrenberg) Mann; freshwater | |
| 146 | Shionodiscus biporus | S. biporus | % | Tsoy, Ira B | (Shiono) Alverson, Kang et Theriot; planktonic, oceanic, coldwater | |
| 147 | Shionodiscus latimarginatus | S. latimarginatus | % | Tsoy, Ira B | (Makarova) Alverson, Kang et Theriot; planktonic, oceanic, coldwater | |
| 148 | Staurosirella pinnata | S. pinnata | % | Tsoy, Ira B | (Ehrenberg) Williams et Round; freshwater | |
| 149 | Stellarima microtrias | S. microtrias | % | Tsoy, Ira B | (Ehrenberg) G.R. Hasle et P.A. Sims; planktonic | |
| 150 | Surirella spp. | Surirella spp. | % | Tsoy, Ira B | brackishwater | |
| 151 | Thalassionema nitzschioides | T. nitzschioides | % | Tsoy, Ira B | (Grunow) Mereschkowsky; planktonic, neritic | |
| 152 | Thalassionema robusta | T. robusta | % | Tsoy, Ira B | Schrader; planktonic, neritic | |
| 153 | Thalassiosira anguste-lineata | T. anguste-lineata | % | Tsoy, Ira B | planktonic, neritic, coldwater | |
| 154 | Thalassiosira antarctica | T. antarctica | % | Tsoy, Ira B | Comber+Th. gravida Cleve (spores); planktonic, neritic, coldwater | |
| 155 | Thalassiosira baltica | T. baltica | % | Tsoy, Ira B | (Grunow) Ostenfeld; planktonic, neritic, coldwater | |
| 156 | Thalassiosira eccentrica | T. eccentrica | % | Tsoy, Ira B | (Ehrenberg) Cleve; planktonic, oceanic, coldwater | |
| 157 | Thalassiosira hyalina | T. hyalina | % | Tsoy, Ira B | (Grunow) Gran; planktonic, neritic, coldwater | |
| 158 | Thalassiosira hyperborea | T. hyperborea | % | Tsoy, Ira B | (Grunow) Hasle; benthic, brackishwater | |
| 159 | Thalassiosira nordenskioeldii | T. nordenskioeldii | % | Tsoy, Ira B | Cleve; planktonic, neritic, coldwater | |
| 160 | Thalassiosira simonsenii | T. simonsenii | % | Tsoy, Ira B | Hasle et Fryxell; planktonic, neritic, coldwater | |
| 161 | Thalassiosira spp. | Thalassiosira spp. | % | Tsoy, Ira B | planktonic | |
| 162 | Thalassiosira tertiaria | T. tertiaria | % | Tsoy, Ira B | Sheshukova; extinct, planktonic, neritic, coldwater | |
| 163 | Thalassiothrix longissima | T. longissima | % | Tsoy, Ira B | Ehrenberg; planktonic, oceanic, coldwater | |
| 164 | Trachyneis aspera | T. aspera | % | Tsoy, Ira B | (Ehrenberg) Cleve; benthic | |
| 165 | Elements, total | Total | % | Tsoy, Ira B |
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