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U.S. Geological Survey Open-File Report 2012-1163

Stuart R. Stidolph Diatom Atlas


Register of Taxa

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This index lists the species name as listed in the plate text at the time of identification. In some cases, taxonomic names have changed since identification. Therefore it is recommended that species synonymy be researched using available species databases (such as the California Academy of Sciences Catalogue of Diatom Names or AlgaeBase) if a specific species is of interest. In addition, through a collaboration with PLANKTON*NET, the entire collection is individually referenced and searchable.

Species Plate Fig
Achnanthes brevipes 3 80
Achnanthes citronella 3 77
21 12
Achnanthes kuwaitensis 21 10
Achnanthes lacus-vulcani 1 29
Achnanthes longipes 21 9
50 50
Achnanthes longipes (?) 16 74
Achnanthes manifera 21 8
Achnanthes marginalis 3 79
Achnanthes sp. indet. 21 11
Actinocyclus crassus 4 93
38 26-27
Actinocyclus decussatus 20 20
37 18-19
39 1-2
Actinocyclus ehrenbergii 21 2
Actinocyclus ingens 35 29-30
Actinocyclus normanii (?) 39 15-17
47 7-8
Actinocyclus octonarius var. sparsus 4 92
Actinocyclus octonarius var. tenellus 28 10
37 5-6
39 3-6
Actinocyclus pruinosus 38 28-29
50 45
Actinocyclus radiatus 4 96, 97
Actinocyclus ralfsii 21 1
Actinocyclus sp. indet. 4 88
Actinocyclus subtilis 44 1
Actinocyclus tenuissimus 4 94
Actinoptychus adriaticus 6 128
21 3
Actinoptychus asiaticus 6 127,129-131
Actinoptychus senarius 17 97
30 1
Actinoptychus speciosus 39 7-8
Actinoptychus trilingulatus 44 6
46 6
Alveus marinus 8 155
Amphicocconeis debesi 22 24
Amphicocconeis disculoides 1 37
Amphicocconeis disculoides (?) 1 38
Amphitetras subrotundata 5 108-112
Amphora acuta 41 61-62
Amphora aff. egregia 17 109-110, 124
Amphora angusta var. ventricosa 24 73
Amphora bigibba 17 118
21 18
Amphora bigibba var. interrupta 17 117
Amphora bistriata 2 44
Amphora cingulata 2 53-54
17 125
Amphora cingulata (?) 2 55
Amphora coffeaeformis 17 114
Amphora complexa 34 19
Amphora crassa 2 48-50
11 54
44 13
Amphora decussata 24 69
Amphora egregia 12 65
Amphora gigantea var. nodosa 21 21
Amphora grevilleana 12 64
Amphora grevilleana (?) 17 111
Amphora gründleri 12 63
17 112
19 11-14
Amphora hustedtii 21 19-20
Amphora obtusa 2 40-42
17 122, 127
24 72
Amphora obtusa var. oceanica 2 39
Amphora ocellata 2 47
Amphora ostrearia 15 61
Amphora praelata 2 45
Amphora proteus sensu Payne 12 62
Amphora proteus var. oculata 41 63
Amphora rhombica var. intermedia 24 70
Amphora robusta 12 67
Amphora schmidtii 12 61
Amphora sp. indet. 2 56
17 115-116, 126, 121
21 17
24 71
Amphora spectabilis 2 46
17 123
34 11
Arachnoidiscus sp. indet. 31 11
Aulacodiscus orientalis 38 30
49 38
Aulacodiscus recedens 48 14
Aulacodiscus sollittianus 54 24
Auliscus clevei 9 10-11
Auliscus sculptus 36 35, 38
Auricula amphitritis 15 62-63
Azpeitia apiculata 4 91, 95
Azpeitia neocrenulata 15 31
21 4
Azpeitia nodulifer 11 33, 45, 47
21 5-6
38 25
44 5, 9, 14
Biddulphia biddulphiana 5 118
Biddulphia pulchella 20 21
Biddulphia spinosa 13 74
Biddulphia tuomeyi 17 96
36 39
Biddulphiopsis membranacea 21 7
Caloneis consimilis 8 161
16 88
Caloneis elongata 45 22
Caloneis liber 8 162
Caloneis liber var. bicuneata 23 39
Caloneis liber var. umbilicata 8 163
35 24
Caloneis linearis 16 84
Caloneis maxima 33 26
Caloneis probabilis 13 84
Caloneis probabilis (?) 23 38
Caloneis robusta 19 2-3
28 6
45 21
47 12-13
Caloneis sp. indet. 16 80
Caloneis westii 23 37
Campylodiscus biangulatus 47 1, 6
Campylodiscus daemelianus 31 10
32 1
Campylodiscus decorus 44 10
Campylodiscus echeneis 28 11
Campylodiscus fastuosus 21 14
Campylodiscus imperialis 14 25
Campylodiscus iyengarii 11 32
Campylodiscus ralfsii 6 133
21 15
Campylodiscus samoensis 21 16
Campylodiscus sp. indet. 5 121
Campylodiscus stellatus 38 23
Campylodiscus thuretii 6 132, 136
Campyloneis grevillei 34 9-10
36 41
37 8-9
Campyloneis horologium 32 3
Cerataulina bicornis 45 35
Cestodiscus denarius 11 15-17
20 23
Climacosphenia elongata 7 152
16 93
Cocconeiopsis sp. indet. 1 8
Cocconeis apiculata 15 54
22 22
Cocconeis britannica 1 19, 25-26, 32
Cocconeis californica 1 35
Cocconeis californica var. (?) 1 34
Cocconeis capensis 1 30
Cocconeis dirupta 18 140-141
Cocconeis dirupta var. flexella 22 25, 30
Cocconeis distans 11 37
18 150
Cocconeis extravagens 53 19-20
Cocconeis grata 9 12-13
11 36
Cocconeis grunowii 18 149
Cocconeis heteroidea 18 147
Cocconeis heteroidea var. curvirotunda 22 36
Cocconeis latecostata 22 23
Cocconeis ornata 1 28
Cocconeis pellucida 38 39
Cocconeis peltoides 1 36
Cocconeis pinnata 15 45
18 148
Cocconeis placentula 1 31, 33
Cocconeis placentula var. lineata 22 26
Cocconeis pseudomarginata 1 20-21
18 145-146
22 28
51 64
Cocconeis pseudomarginata (?) 15 48
Cocconeis scutellum 1 27
15 44
22 31-32, 35
Cocconeis sp. indet. 15 46
22 27, 33-34
Coscinodiscus asteromphalus 30 2
Coscinodiscus cinctus 39 26-27
Coscinodiscus hauckii var. mesoleia 15 32
17 98
Coscinodiscus jonesianus var. commutata 30 6-7
Coscinodiscus obscurus 39 24-25
Coscinodiscus oculus-iridis 29 14
Coscinodiscus perforatus var. cellulosa 29 13
Coscinodiscus radiatus 20 22
34 2
36 36
43 110-111
44 2
46 1, 4
Coscinodiscus sp. indet. 30 4
Cyclostephanos dubius 15 35-36
Cyclotella baltica 39 13-14
44 3-4
Cyclotella bodanica 53 18
Cymbella (Encyclonema) grossestriata var. obtusiuscula 18 131-132
Cymbella tumida 4 101
15 56
18 133
Cymbella turgidula 15 55
Delphineis minutissima (?) 1 23
Delphineis surirella 1 22
Dictyoneis jamaicensis 14 4
16 86
Dictyoneis marginata 45 19
Dimeregramma (?) sp. indet. 23 43
Dimeregramma marinum 15 53
23 40-41
Diploneis aff. cynthia 41 65
Diploneis bomboides 17 99
Diploneis bombus 3 65, 68-69, 75
11 49, 51
17 100
Diploneis caffra 23 51-52
Diploneis chersonensis 3 73-74
19 7
23 55
34 18
35 27-28
42 96
46 3
Diploneis chinensis 14 19
Diploneis coffaeiformis 3 78
15 37-38
Diploneis crabro 3 66-67
12 57-58
23 45-46
42 97-98
48 27-28
Diploneis crabro var. gloriosa 32 8
Diploneis crabro var. limitanea 34 17
42 108-109
Diploneis crabro var. pandura 12 55
42 99, 102-105
Diploneis cynthia 14 10
37 12
Diploneis diplosticta 14 14-15
42 100-101, 107
Diploneis exemta 3 76
33 31-32
Diploneis fusca 3 70
14 13
18 134
33 27
52 9
Diploneis fusca var. pelagi 11 48
Diploneis gemmata 3 83
10 25-26
54 25
Diploneis gemmatula 12 59
23 53-54
Diploneis graeffii 3 71, 84
18 135
Diploneis hustedtii 41 72-73
Diploneis lacrimans 10 24
Diploneis lineata 14 22
Diploneis litoralis 23 44, 49
Diploneis mediterranea 14 16
15 66-67
17 106-108
18 136
Diploneis mirabilis 2 51
Diploneis nitescens 3 82
10 28
13 82-83
18 142
37 13-14
41 64, 78-82
49 37
51 69
Diploneis notabilis 26 99-100
50 54
Diploneis novaeseelandiae 28 2
Diploneis ornata 54 23
Diploneis pandura 12 56
54 26
Diploneis papula 2 62
23 50
Diploneis papula var. constricta 14 12
Diploneis prisca 14 23
Diploneis serratula 10 27
Diploneis smithii 23 48
32 11
42 88-91, 95
Diploneis smithii (?) 19 8, 15
Diploneis smithii form (?) 44 12
Diploneis sp. indet. 23 47
14 18
17 102, 104-105
46 8
Diploneis splendida 23 56-57
28 1
Diploneis subcincta 14 24
Diploneis suborbicularis 41 74-75
42 106
Diploneis suspecta 17 101
Diploneis vacillans 14 11
15 64-65
17 103
Diploneis vacillans var. renitens 3 72
Diploneis vetula 3 81
Diploneis weissflogii 11 50
Ehrenbergiulva granulosa 4 99
39 28-29
Ehrenbergiulva hauckii 4 98
Endictya oceanica 4 89
Entomoneis centrospinosa 24 59
Epithemia zebra var. porcellus 18 151
Eunotogramma frauenfeldii 24 58
45 33
Fallacia forcipata 7 144
15 39
Fallacia forcipata var. (?) 33 30
Fragilariopsis doliolus 26 113
Frickea lewisiana 45 18
Frustulia asymmetrica 24 60
Frustulia interposita 24 61
Glyphodesmis nankoorense 43 121
54 28
Glyphodesmis tumida 10 20
15 52
Glyphodesmis williamsonii fo. lanceolata 23 42
Grammatophora angulosa 7 151
Grammatophora gibberula 7 150
Grammatophora hamulifera 24 64
Grammatophora marina 34 13
Grammatophora maxima 50 55
Grammatophora oceanica 24 65
37 10
Grammatophora oceanica var. macilenta 17 128
Grammatophora oceanica var. subtilissima 37 11
Grammatophora probata 40 40-41
Grammatophora serpentina 34 12
35 31
Grammatophora sp. indet. 17 129
Grammatophora undulata 40 45
Halamphora cymbifera 2 43
Hemidiscus cuneiformis 4 102, 107
10 30
13 71
Hyalosynedra laevigata 27 128
Hyalosynedra sp. indet. 8 160
Hydrosilicon mitra 37 7
Licmophora ehrenbergii 24 63
Licmophora ehrenbergii var. (?) 24 62
Luticola sp. indet. 16 81
18 143-144
Lyrella approximata 9 1
13 75
14 3
Lyrella approximata (?) 52 10
Lyrella atlantica 7 143
33 33
Lyrella barbitos 32 19
Lyrella cf. lyrelloides 46 10
Lyrella clavata 52 8
Lyrella concilians 43 120
Lyrella durandii 53 16
Lyrella genifera 52 4, 7
Lyrella hennedyi 8 167
10 17
13 76
15 40-41
Lyrella hennedyoides 52 5
Lyrella impercepta 2 52
15 42-43
41 70, 76-77
Lyrella lyra 20 19
26 94-95, 97
31 13
33 20, 22
42 84
44 16
49 32
51 68
Lyrella lyroides 10 16
44 17
47 9
Lyrella lyroides
49 44
Lyrella perplexoides
41 71
Lyrella praetexta 8 165
13 77
33 24, 28
52 3, 11
Lyrella robertsiana 14 1-2
42 85
47 10
51 61
Lyrella sandriana 8 169
52 2
Lyrella sp indet. 8 164
Lyrella sp. indet. 15 59-60
Lyrella spectabilis 10 14
11 53
12 60
42 83, 86-87
52 1
Lyrella venusta 16 72-73
Mastogloia amoena 1 1
Mastogloia amoena var. turgida 1 2
Mastogloia angulata 41 68-69
53 14-15
Mastogloia bahamensis 43 116-119
Mastogloia binotata 1 7, 9
Mastogloia binotata (?) 22 29
Mastogloia exilis 25 76
Mastogloia fimbriata 1 4, 5, 10
25 79-80
32 4-7
34 3-4, 7-8
38 31-32
53 17
Mastogloia gieskesii 25 78
Mastogloia horvathiana 34 5-6
35 25-26
36 43
38 33
49 41-42
Mastogloia jelineckiana 15 49-50
Mastogloia jelineckii var. marina 16 85
Mastogloia ovulum 1 11
Mastogloia paradoxa 25 74-75
Mastogloia pseudolatecostata 1 6
Mastogloia quinquecostata 38 34-35
Mastogloia quinquecostata (?) 45 25-26
Mastogloia rhombus 11 34
Mastogloia splendida 1 3
33 23
37 4
49 43
Navicula (Lyrella) clavata var. impressa 8 170
Navicula (Lyrella) clavata var. indica 47 5
Navicula (Lyrella) clavata var. indica. 41 66-67
Navicula (Lyrella) durandii var. rhomboidea 30 5
Navicula (Lyrella) hennedyi fo. granulata 10 15
Navicula (Lyrella) hennedyi var. californica 16 79
Navicula (Lyrella) hennedyi var. granulata 26 98, 101-102
29 15
42 92-94
43 115
Navicula (Lyrella) lyra var. dilatata 51 67
Navicula (Lyrella) lyra var. elliptica fo. bullata 20 16-18
32 12
Navicula (Lyrella) spectabilis fo. angelorum 49 36
Navicula (Lyrella) spectabilis var. controversa 30 3
Navicula (Lyrella) spectabilis var. punctata 11 52
Navicula (Parlibellus?) gründleri 11 39
13 80
Navicula applicita 2 63-64
Navicula brasiliensis 28 9
29 17
31 8
32 9-10
47 11
Navicula carinifera 16 78
Navicula cryptocephaloides 26 104
Navicula digitoradiata 2 59
15 57
Navicula digitoradiata (?) 18 137
Navicula directa var. remota 16 91-92
Navicula longa 3 86-87
Navicula nicobarica 16 77
18 139
24 66-67
Navicula palpebralis 2 60-61
16 76
Navicula palpebralis var. angulosa 16 75
Navicula pennata var. maxima 33 35
Navicula peregrina 54 27
Navicula perplexa 8 168
Navicula protracta fo. elliptica (?) 18 138
Navicula pseudocomoides 24 68
Navicula rudis 26 103
Navicula schaarschmidtii 10 18
Navicula sp. indet. 26 106-107
Navicula superimposita 3 85
Navicula zanzibarica var. zebuana 32 18
Nitzschia angularis 25 93
Nitzschia brittoni 25 82
Nitzschia corpulenta 15 51
25 81
Nitzschia costata 25 91
Nitzschia fluminensis 16 89-90
Nitzschia graeffii 45 23
48 30
Nitzschia gruendleri 9 8
Nitzschia insignis var. adriatica 25 90
Nitzschia insignis var. marginifera 25 85
Nitzschia jelineckii 17 130
40 47
Nitzschia longa 25 84
Nitzschia longissima fo. costata 25 86-87
Nitzschia macilenta 8 154
Nitzschia nicobarica 9 7
49 39
Nitzschia pacifica 4 106
Nitzschia panduriformis var. lata 7 145
25 77, 88
Nitzschia panduriformis var. peralbata 25 89
Nitzschia panduriformis var. pustulata 25 83
Nitzschia praelonga 10 31
Nitzschia pulcherrima 53 21
Nitzschia punctata var. coarcata 13 73
Nitzschia sp. indet. 34 15
45 29
Nitzschia spectabilis (?) 34 14
Nitzschia vidovichii 25 92
Odontella aurita 21 13
Oestrupia delecta 14 17
Oestrupia powellii var. egyptiaca 16 87
Oestrupia powellii var. egyptica 14 5
Oestrupia powellii var. galapagensis 26 115
Oestrupia powellii var. vidovichii 33 25
Oestrupia zanardiniana 35 23
Opephora schwartzii 16 83
Opephora sp. indet. 26 111
Paralia sulcata 27 124
Parlibellus delognei 2 57-58
Parlibellus takoradiensis 10 29
Petroneis monilifera 33 29
52 6
Pinnularia bistriata 15 58
Pinnulariosigma raeana 31 12
Plagiodiscus martensianus 43 112
44 15
50 49
Plagiodiscus nervatus 26 108
Plagiogramma costatum 40 44
Plagiogramma decussatum 40 43
Plagiogramma pulchellum 43 122-123
Plagiogramma pulchellum var. pygmaea 16 82
Plagiogramma sp. indet. 40 42
Plagiogramma spinosom 12 66
Plagiogramma staurophorum 26 112
Plagiogramma tessellatum 13 81
Plagiogramma validum 10 21
13 78
Plagiogramma validum var. tumidulum 10 22
Plagiogramma wallichianum 10 23
Planktoniella blanda 28 12
Pleurosigma diverse-striatum 8 166
Podocystis adriatica 6 134
26 114
Podocystis spathulata 50 47
Podosira (Pseudopodosira?) argus 50 56-57
Podosira ambigua 50 52
Podosira argus 38 36-37
Podosira maxima 38 24
Porpeia quadriceps 41 59-60
Proschkinia complanatula 26 105
Psammodictyon panduriforme 40 46, 48-49
45 24
48 26, 31
Psammodiscus nitidus 4 104, 105
15 26-29
46 5
54 29
Pseudoamphoprora sp. indet. 27 127
Rhabdonema adriaticum 7 146-149
26 109
32 15
36 42
51 66
Rhabdonema arcuatum 37 17
Rhabdonema punctatum 28 5
32 16-17
37 15-16
51 65
Rhaphoneis amphiceros 1 12-16
Rhaphoneis amphiceros (?) 15 47
Rhaphoneis amphiceros form (?) 1 24
Rhaphoneis nitida 1 17-18
Rhaphoneis sp. indet. 15 30
Rhopalodia contorta 17 113
Rhopalodia gibberula var. baltica 38 38
Rhopalodia musculus 26 118
Rhopalodia vermicularis 15 68
Roperia tesselata 4 90
15 33
Schuettia annulata 29 16
Seminavis sp. indet. 17 119-20
Stephanopyxis campechiana 11 46
Stephanopyxis turris 44 7-8
Stictodesmis australis 27 132
45 31-32
Stictodiscus californicus var. nankoorensis 15 34
Stictodiscus harrisonianus 11 35
Stictodiscus insignis 54 31
Stictodiscus manilensis 39 9-12
Stictodiscus nankoorensis 11 44
Stictodiscus parallelus 9 5, 9
11 40-41
49 40
Stictodiscus parallelus fo. hexagona 5 113-115
Surirella eximia 50 58
51 70
Surirella fastuosa 6 122-126, 135
13 69-70
14 8-9, 20-21
16 69-71
20 24
27 120-123, 125
28 3-4
31 9, 15
35 21-22
36 37
38 20-22
40 32-39
44 11
47 4
49 33
Surirella fastuosa var. cuneata 13 68
47 2-3
Surirella fastuosa var. opulenta 32 2
Surirella macraeana 40 30-31
Synedra baculus 8 157
Synedra formosa 8 158
27 129, 130-131
45 30
Synedra fulgens 8 156
Synedra superba 8 159
32 13-14
Tabularia gaillonii 8 153
Thalassiosira decipiens 27 126
Thalassiosira eccentrica 4 100
Thalassiosira endoseriata 48 29
Thalassiosira nanolineata 20 25
Thalassiosira sp. indet. 11 18-23
20 26
43 113-114
46 2
51 59-60
Thalassiosira symmetrica 4 103
Toxarium hennedyanum 16 95
Toxarium undulatum 16 94
Trachyneis antillarum 28 7
Trachyneis antillarum var. kurzii 46 11-12
54 30
Trachyneis aspera 19 5-6
26 110
33 34
35 34
40 50-51
45 20
48 25
50 48
Trachyneis aspera (?) 6 137-138
Trachyneis debyi 28 8
31 14
Trachyneis schmidtiana 10 19
Trachyneis sp. indet. 40 52
Trachyneis velata 35 32-33
Triceratium arcticum 7 139-140
Triceratium arcticum fo. quadrata 5 120
Triceratium balearicum fo. biquadrata 50 51
Triceratium broeckii 36 40
Triceratium campechianum 9 2-4
Triceratium dictyotum 51 63
Triceratium dubium 26 117
Triceratium favus 31 16
41 55-58
46 13
Triceratium favus fo. quadrata 48 17-18
49 34
Triceratium finnmarchicum 5 119
Triceratium junctum 7 141-142
Triceratium pentacrinus 9 6
34 16
48 24
Triceratium pentacrinus fo. quadrata 5 116-117
34 20
Triceratium reticulum 14 6-7
48 16
Triceratium robertsianum 34 1
51 62
Triceratium scitulum 19 9-10
31 17
45 28
46 7, 9
48 15
Triceratium scitulum fo. quadrata 45 34
Triceratium septangulatum 53 12-13
Triceratium shadboltianum (?) 29 18
Triceratium sparsipunctatum 48 19
Triceratium trinitus (?) 13 79
Triceratium weissei 50 53
Trigonium alternans 26 116
Trigonium arcticum var. (?) 37 3
Trigonium arcticum var. californicum 48 23
Trigonium arcticum var. kerguelense 37 2
Trigonium arcticum var. sexangulatum 50 46
Trigonium formosum 48 22
Trigonium formosum var. pentagonalis 48 20-21
Trigonium graeffeanum 27 119
37 1
Trigonium subofficiosum 41 53-54
Trigonium zonulatum 49 35
Tropidoneis vitrea 19 1
Tryblionella brightwellii 53 22
Tryblionella cocconeiformis 45 27
Tryblionella graeffii 19 4
Tryblionella jelineckii
13 72
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