| Taxa |
Geological Period |
Number of Specimens |
| Acer aequidentatum |
Middle Eocene |
1 |
| Acer osmonti |
Oligo-Miocene |
1 |
| Acer osmonti |
Upper Miocene |
1 |
| Acer tricuspidatum |
Miocene |
1 |
| Alangiophyllum petiocaulum |
Upper Eocene |
2 |
| Alethopteris lonchitica |
Upper Carboniferous |
3 |
| Alethopteris serlii |
Upper Carboniferous |
2 |
| Alethopteris sp. |
Upper Carboniferous |
79 |
| Aleurites americana |
Upper Eocene |
1 |
| Algae |
NA |
3 |
| Algae |
Precambrian |
1 |
| Algal biscuit |
NA |
1 |
| Algal limestone |
Oligocene |
1 |
| Alnus capinoides |
Oligo-Miocene |
1 |
| Alnus harneyana |
Middle Miocene |
1 |
| Alnus harneyana |
Pliocene |
2 |
| Alnus sp. |
Oligocene-Miocene |
1 |
| Anacardites marshallensis |
NA |
1 |
| Anachoropteris sp. |
Upper Carboniferous |
2 |
| Anachoropteris cf. involuda |
Upper Carboniferous |
2 |
| Anachoropteris clavata |
Upper Carboniferous |
2 |
| Anachoropteris involuta |
Upper Carboniferous |
8 |
| Anemia fremontii |
Cretaceous |
2 |
| Anemia fremontii forma fertilis |
Cretaceous |
5 |
| Anemia fremontii |
Upper Cretaceous |
8 |
| Anemia fremontii forma fertilis |
Upper Cretaceous |
1 |
| Anemia sp. |
Cretaceous |
8 |
| Anemia sp. |
Upper Cretaceous |
1 |
| Angiosperm leaves and fruits |
Tertiary |
42 |
| Ankyropteris glabra |
Upper Carboniferous |
44 |
| Annularia sp. |
NA |
20 |
| Annularia sp. |
Upper Carboniferous |
2 |
| Annularia cf. spenophylloides |
NA |
2 |
| Annularia inflata |
NA |
2 |
| Annularia radiata |
NA |
2 |
| Anomozamites nilssoni |
Jurassic |
1 |
| Anomozamites sp. |
Triassic |
1 |
| Anonaspermum punctatum |
Eocene |
1 |
| Anonaspermum rugosum |
Eocene |
1 |
| Aphlebia crispa |
Upper Carboniferous |
5 |
| Aralia notata |
Eocene |
1 |
| Aralia wyomingensis |
Eocene |
1 |
| Araucarian sp. |
NA |
2 |
| Araucarian wood |
Early Tertiary |
11 |
| Archaeopteris fissilis |
Upper Devonian |
4 |
| Archaeopteris halliana |
Upper Devonian |
16 |
| Archaeopteris macilenta |
Upper Devonian |
4 |
| Archaeopteris obtusa |
Upper Devonian |
3 |
| Archaeopteris sp. |
Upper Devonian |
12 |
| Archaeopteris sp. (no sterile leaves) |
Upper Devonian |
10 |
| Archaeopteris sp. (roots) |
Upper Devonian |
2 |
| Archaeopteris sphenophyllifolia |
Upper Devonian |
1 |
| Archaeosigillaria vanux |
Middle Devonian |
1 |
| Arthropitys sp. |
NA |
2 |
| Arthropitys sp. |
Upper Carboniferous |
5 |
| Arthropitys communis |
Upper Carboniferous |
27 |
| Arthropitys communis var. septata |
Upper Carboniferous |
24 |
| Arthropitys gigas |
Upper Carboniferous |
1 |
| Arthropitys kansana |
Upper Carboniferous |
2 |
| Arthropitys hirmeri |
Upper Carboniferous |
9 |
| Arthropitys illinoensis |
Upper Carboniferous |
1 |
| Arthropitys versifoveata |
Upper Carboniferous |
2 |
| Arthroxylon noeii |
Upper Carboniferous |
9 |
| Asplenium occidentale |
Cretaceous |
1 |
| Assorted lycopod peels |
Upper Carboniferous |
33 |
| Asterophyllites sp. |
NA |
1 |
| Asterophyllites sp. |
Upper Carboniferous |
5 |
| Asterophyllites charaeformis |
Upper Carboniferous |
4 |
| Asterophyllites longifolius |
Upper Carboniferous |
4 |
| Asterotheca arborescens |
Upper Carboniferous |
1 |
| Asterotheca cyathea |
NA |
1 |
| Asterotheca sp. |
NA |
2 |
| Astromyelon sp. |
Upper Carboniferous |
1 |
| Astromyelon cauloides |
Upper Carboniferous |
1 |
| Astromyelon pluriradiatum |
Upper Carboniferous |
1 |
| Aulacotheca hemingwayi |
Mid-Yorkian |
1 |
| Azolla intertrappea |
NA |
1 |
| Azolla intertrappea |
Oligocene |
1 |
| Azolla sp. |
NA |
1 |
| Baiera sp |
Cretaceous |
2 |
| Baiera sp. |
Upper Cretaceous |
2 |
| Baragwanathia sp. |
Lower Devonian |
3 |
| Beania gracilis |
Jurassic |
5 |
| Beckettia mastiscioides |
Eocene |
1 |
| Betulites westii |
Cretaceous |
3 |
| Biorbia fruits |
Pliocene |
1 |
| Biscalitheca sp. |
Upper Carboniferous |
1 |
| Bothrodendron sp. |
Upper Carboniferous |
1 |
| Botryopteris sp. |
Upper Carboniferous |
20 |
| Botryopteris cylindrica |
Upper Carboniferous |
2 |
| Botryopteris fecunda |
Upper Carboniferous |
1 |
| Botryopteris forensis |
Upper Carboniferous |
6 |
| Botryopteris globosa |
Upper Carboniferous |
25 |
| Botryopteris hirsuta |
Upper Carboniferous |
2 |
| Botryopteris trisecta |
Upper Carboniferous |
28 |
| Botryopteris trisecta (figured peels) |
Upper Carboniferous |
9 |
| Brachyphyllum hondurense |
Jurassic |
2 |
Brachyphyllum sp. cf.
|
Jurassic |
2 |
| Calamites sp. |
Upper Carboniferous |
29 |
| Calamites (pith cast) |
Upper Carboniferous |
4 |
| Calamites (slides and peels) |
Upper Carboniferous |
11 |
| Calamites (stem) |
NA |
3 |
| Calamites (stem) |
Upper Carboniferous |
11 |
| Calamites rectangularis |
Upper Carboniferous |
3 |
| Calamites suckowi (pith cast) |
Upper Carboniferous |
1 |
| Calamophyton bicephalum |
Middle Devonian |
1 |
| Calamostachys americana |
NA |
1 |
| Calamostachys americana |
Upper Carboniferous |
19 |
| Calamostachys binneyana |
Upper Carboniferous |
1 |
| Callicoma microphylla |
NA |
3 |
| Callipteridium sp. |
Upper Carboniferous |
2 |
| Callipteris cf. lyratifolia |
Permian |
3 |
| Callistophyton poroxyloides |
Upper Carboniferous |
12 |
| Callistophyton sp. |
Upper Carboniferous |
1 |
| Callixylon newberryi |
Upper Devonian |
5 |
| Callixylon whiteanum |
Upper Devonian |
1 |
| Canarium californica |
Middle Eocene |
1 |
| Cantitilia polysperma |
Eocene |
1 |
| Caytonanthus arberi |
Jurassic |
4 |
| Caytonia sp. |
Jurassic |
2 |
| Cebatha heteromorpha |
Miocene |
1 |
| Celtis sp. |
Eocene |
1 |
| Celtis sp. |
NA |
1 |
| Cercidiphyllum arcticum |
Eocene |
2 |
| Cercidiphyllum elongatum |
Middle Eocene |
1 |
| Chaetoptela pseudo-fulva |
Middle Eocene |
1 |
| Chaetoptela pseudo-fulva (seed) |
Middle Eocene |
1 |
| Chaleuria cirrosa |
Lower Devonian |
18 |
| Chamaecyparis linguaefolia |
Oligocene |
3 |
| Chamaecyparis linguaefolia |
NA |
1 |
| Chandlera lacunosa |
Eocene |
1 |
| Chandlera sp. cf. |
Eocene |
1 |
| Chara sp. |
NA |
2 |
| Chara sp. |
Jurassic |
2 |
| Chara sp. |
Recent |
1 |
| Chlidanophyton dublinensis |
Lower Mississippian |
6 |
| Cinnamomum dilleri |
Middle Eocene |
1 |
| Cinnamomum globulare |
Eocene |
1 |
| Citrispermum sheppeyense |
Eocene |
1 |
| Cladophlebis denticulata |
Jurassic |
5 |
| Cladophlebis lobifolia |
Jurassic |
3 |
| Coal ball |
NA |
2 |
| Coal ball |
Upper Carboniferous |
22 |
| Coal ball peels |
Upper Carboniferous |
1 |
| Coal ball w/ calcite center |
Upper Carboniferous |
1 |
| Codonotheca caduca |
Upper Carboniferous |
6 |
| Colpodexylon deatsii |
Middle Devonian |
4 |
| Colpodexylon deatsii |
Upper Devonian |
15 |
| Compsostrobus sp. |
Triassic |
4 |
| Conifer cone and stems |
NA |
1 |
| Conifer cone and stems |
Early Tertiary |
1 |
| Conifer foliage |
Triassic |
1 |
| Conifer remains |
Permian |
2 |
| Coniopteris hymenophylloides |
Jurassic |
2 |
| Coniopteris cf. hymenophylloides |
Permo-Carboniferous |
1 |
| Conostoma sp. |
Upper Carboniferous |
3 |
| Cordaites sp. |
NA |
2 |
| Cordaites sp. |
Upper Carboniferous |
18 |
| Cordaites communis |
Upper Carboniferous |
1 |
| Cordianthus sp. |
Upper Carboniferous |
2 |
| Corylus elongatum |
Middle Eocene |
1 |
| Crenaticaulis verruculosus |
Lower Devonian |
11 |
| Crossotheca mcluckiei |
Upper Carboniferous |
2 |
| Crossotheca sp. |
Upper Carboniferous |
2 |
| Ctenis sp. |
Jurassic |
1 |
| Ctenis falcata |
Jurassic |
3 |
| Cucurbitospermum bognorensis |
Eocene |
1 |
| Cupanoides grandis |
Eocene |
1 |
| Cyathodendron texanum |
lower Upper Eocene? |
3 |
| Cyathotrachus sp. |
Upper Carboniferous |
14 |
| Cycad (petrified stem) |
Upper Carboniferous |
3 |
| Cycadeoid |
NA |
1 |
| Cycadeoidea sp. |
NA |
2 |
| Cycadeoidea sp. |
Jurassic |
7 |
| Cycadoxylon anomalum |
Upper Carboniferous |
1 |
| Cyclopteris sp. |
Upper Carboniferous |
4 |
| Cyperites sp. |
Upper Carboniferous |
8 |
| Dadoxylon sp. |
Plio-Pleistocene |
4 |
| Danaea sp. |
Upper Carboniferous |
1 |
| Davilla intermedia |
Upper Eocene |
1 |
| Dewalquea pulchella |
Upper Cretaceous |
1 |
| Diceratosperma carpenteriana |
Upper Carboniferous |
8 |
| Dichophyllum moorei |
Upper Carboniferous |
9 |
| Dictyophyllum cf. exile |
Triassic |
3 |
| Dictyophyllum exile |
Triassic |
3 |
| Dictyophyllum nilssoni |
Triassic |
2 |
| Dinophyton sp. cf. |
NA |
1 |
| Diospyros rotundifolia |
Cretaceous |
2 |
| Diplotmena sp. |
Upper Carboniferous |
3 |
| Dolerotheca pennsylvanicum |
Upper Carboniferous |
2 |
| Dolerotheca sp. |
NA |
1 |
| Dolerotheca sp. |
Upper Carboniferous |
13 |
| Dracontomelon subglobosum |
Eocene |
1 |
| Drepanophycus gaspianus |
Lower Devonian |
2 |
| Drepanophycus sp. |
Lower Devonian |
2 |
| Drepanophycus spinaeformis |
Lower Devonian |
5 |
| Dunstania multilocularis |
Eocene |
1 |
| Elatides williamsoni |
Jurassic |
4 |
| Engelhardtia nevadensis |
Middle Eocene |
1 |
| Enigmocarpon sp. |
NA |
2 |
| Enigmocarpon parijai |
NA |
2 |
| Eoangiopteris andrewsii |
Pennsylvanian |
16 |
| Eohypserpa parsonii |
Eocene |
1 |
| Eorhiza arnoldii |
Middle Eocene |
6 |
| Equisetum sp. |
Upper Cretaceous |
7 |
| Equisetum sp. |
Jurassic? |
1 |
| Eremopteris zamioides (seed) |
Carboniferous |
3 |
| Eremopteris missouriensis |
Upper Carboniferous |
1 |
| Eretmophyllum sp. |
Jurassic |
2 |
| Erythropalum striatum |
Eocene |
1 |
| Etapteris sp. |
NA |
2 |
| Etapteris sp. |
Upper Carboniferous |
15 |
| Faboidea crassicutis |
Eocene |
1 |
| Fagus washoensis |
Upper Miocene |
1 |
| Ficus goshenensis |
Upper Eocene |
1 |
| Genomosperma kidstoni |
Lower Carboniferous |
1 |
| Gigantopteris americana |
Permian |
1 |
| Gigantopteris sp. cf. |
Permian |
1 |
| Ginkgo adiantoides |
Eocene |
1 |
| Ginkgo digitata |
Jurassic |
2 |
| Gleichenites coloradoensis |
Cretaceous |
9 |
| Gleichenites coloradoensis |
Upper Cretaceous |
2 |
| Glossopteris sp. cf. |
Jurrasic |
3 |
| Glossopteris sp. |
Permian |
2 |
| Glossopteris sp. |
Permo-Carboniferous |
4 |
| Glossopteris sp. |
NA |
3 |
| Glyptostrobus dakotensis |
Eocene |
2 |
| Glyptostrobus oregonensis |
Middle Miocene |
1 |
| Gordonia egregia |
Middle Eocene |
1 |
| Gosslingia breconensis |
Lower Devonian |
14 |
| Gunflint chert |
Precambrian |
6 |
| Halesia stonei |
Eocene |
1 |
| Halimeda limestone |
Pleistocene |
1 |
| Halticosaurus liliensterni |
Upper Carboniferous |
1 |
| Hammelites voyana |
NA |
1 |
| Haskinsia colephylla |
Middle Devonian |
1 |
| Heterangium americanum |
Upper Carboniferous |
26 |
| Heterangium sp. |
Upper Carboniferous |
3 |
| Hightea elliptica |
Eocene |
1 |
| Hostinella sp. |
Lower Devonian |
3 |
| Icacinicarya platycarpa |
Eocene |
1 |
| Iodes corniculata |
Eocene |
1 |
| Jenkinsella apocynoides |
Eocene |
1 |
| Joffrea sp. |
NA |
1 |
| Juglans sp. |
NA |
1 |
| Juglans clarnensis |
Eocene |
1 |
| Kamaraspermum leeanum |
Upper Carboniferous |
1 |
| Koelreuteria sp. |
Oligocene |
3 |
| Laccopteris polypodioides |
Jurassic |
3 |
| Laccopteris smithii |
Upper Triassic |
1 |
| Lanfrancia subglobosa |
Eocene |
1 |
| Langtonia bisulcata |
Eocene |
1 |
| Laurocarpum sp. |
Eocene |
1 |
| Leclercqia complexa |
Middle Devonian |
2 |
| Leguminosites falcatum |
Upper Eocene |
1 |
| Lepidocarpon glabrum |
NA |
4 |
| Lepidocarpon magnificum (male) |
Upper Carboniferous |
7 |
| Lepidocarpon palmerensis |
Upper Carboniferous |
1 |
| Lepidocarpon sp. |
Upper Carboniferous |
38 |
| Lepidodendron sp. |
Upper Carboniferous |
73 |
| Lepidodendron sp. (cone) |
Upper Carboniferous |
3 |
| Lepidodendron sp. (leaf bases) |
Upper Carboniferous |
5 |
| Lepidodendron sp. (stem and leaf) |
Upper Carboniferous |
1 |
| Lepidodendron sp. (stems) |
Upper Carboniferous |
33 |
| Lepidodendron sp. (peels) |
Upper Carboniferous |
22 |
| Lepidodendron sp. (twigs) |
Upper Carboniferous |
4 |
| Lepidodendron dissitum |
Upper Carboniferous |
1 |
| Lepidodendron dicentricum |
Upper Carboniferous |
111 |
| Lepidodendron fuliginosus |
Upper Carboniferous |
1 |
| Lepidodendron harcourti |
Upper Carboniferous |
2 |
| Lepidodendron kansanum |
Upper Carboniferous |
7 |
| Lepidodendron scleroticum |
Upper Carboniferous |
41 |
| Lepidodendron selaginoides |
Upper Carboniferous |
1 |
| Lepidodendron serratum |
Upper Carboniferous |
1 |
| Lepidodendron vasculare |
Upper Carboniferous |
2 |
| Lepidophloios sp. |
Upper Carboniferous |
4 |
| Lepidophloios pachydermatikos |
Upper Carboniferous |
81 |
| Lepidophloios scoticus |
Upper Carboniferous |
2 |
| Lepidophloios wunschianus |
Upper Carboniferous |
3 |
| Lepidophylloides sp. |
Upper Carboniferous |
1 |
| Lepidophyllum sp. |
Upper Carboniferous |
2 |
| Lepidostrobophyllum ovatifolium |
Upper Carboniferous |
1 |
| Lepidostrobophyllum sp. |
Upper Carboniferous |
5 |
| Lepidostrobus sp. |
NA |
1 |
| Lepidostrobus sp. |
Upper Carboniferous |
36 |
| Lepidostrobus diversus |
Upper Carboniferous |
16 |
| Lepidostrobus veltheimianus |
NA |
1 |
| Lepidostrobus veltheimianus |
Upper Carboniferous |
1 |
| Leyrida bilocularis |
Eocene |
1 |
| Linopteris sp. |
Upper Carboniferous |
6 |
| Liquidambar californica |
Middle Eocene |
3 |
| Lobatannularia sp. |
Permo-Carboniferous |
1 |
| Lonchopteris virginiensis |
Upper Triassic |
1 |
| Lonchopteris sp. |
Upper Carboniferous |
1 |
| Lycopod (twig w/leaves) |
Upper Carboniferous |
6 |
| Lycopod stem |
Lower Carboniferous? |
1 |
| Lycopod stem |
Lower Devonian |
1 |
| Lycopodites mecki |
Upper Carboniferous |
1 |
| Lycopodites sp. |
Upper Carboniferous |
1 |
| Lyginopteris oldhamia |
NA |
1 |
| Lyginopteris oldhamia |
Upper Carboniferous |
14 |
| Lyginopteris sp. |
NA |
1 |
| Lyginopteris sp. |
Upper Carboniferous |
3 |
| Lygodium kaulfussi |
Eocene |
1 |
| Lygodium sp. |
Eocene |
1 |
| Magnolia sp. |
Eocene |
1 |
| Magnolia subcircularis |
Eocene |
1 |
| Marchantites erectus |
Jurassic |
2 |
| Mariopteris nervosa |
Upper Carboniferous |
2 |
| Mariopteris sp. |
Upper Carboniferous |
3 |
| Mastixia parva |
Eocene |
1 |
| Mazocarpon oedipterum |
Upper Carboniferous |
4 |
| Medullosa distelica |
Upper Carboniferous |
7 |
| Medullosa endocentrica |
Upper Carboniferous |
2 |
| Medullosa grandis |
Upper Carboniferous |
2 |
| Medullosa leuckarti |
Permian |
1 |
| Medullosa noei |
Upper Carboniferous |
41 |
| Medullosa primaeva |
Upper Carboniferous |
1 |
| Medullosa solmsi |
Permian |
1 |
| Medullosa sp. |
NA |
2 |
| Medullosa sp. |
Upper Carboniferous |
20 |
| Medullosa sp. (petiole) |
NA |
1 |
| Medullosa sp. (petiole) |
Upper Carboniferous |
1 |
| Medullosa stellata |
Permian |
3 |
| Medullosa thompsonii |
Upper Carboniferous |
16 |
| Megaloxylon scottii |
Upper Carboniferous |
1 |
| Meliosma cantiensis |
Eocene |
1 |
| Meliosma sheppeyensis |
Eocene |
1 |
| Mesoxylon nauertianum |
Upper Carboniferous |
2 |
| Metaclepsydropsis duplex |
Lower Carboniferous |
2 |
| Metasequoia sp. |
Lower Oligocene |
1 |
| Metasequoia heerii |
Oligocene |
1 |
| Microdesmis occidentalis |
NA |
1 |
| Microtaenia paucifolia |
Upper Cretaceous |
7 |
| Mimosites acutifolius |
Upper Eocene |
1 |
| Mimosites sp. |
Eocene |
2 |
| Myeloxylon bendixenii |
Upper Carboniferous |
2 |
| Myeloxylon sp. |
Upper Carboniferous |
1 |
| Nageiopsis sp. |
Upper Cretaceous |
4 |
| Neocalamites hoerensis |
Triassic |
1 |
| Neuropteris sp. |
Upper Carboniferous |
19 |
| Neuropteris rarinervis |
Upper Carboniferous |
2 |
| Neuropteris gigantia |
Upper Carboniferous |
1 |
| Neuropteris heterophylla |
Upper Carboniferous |
1 |
| Neuropteris scheuchzeri |
Upper Carboniferous |
8 |
| Nilssonia compta |
Jurassic |
15 |
| Nilssonia compta |
NA |
3 |
| Nilssonia mediana |
Jurassic |
2 |
| Nilssonia polymorpha |
Triassic |
8 |
| Nilssonia sp. |
Jurassic |
13 |
| Nilssonia sp. cf. |
Permian |
2 |
| Nipa burtini |
Early Tertiary |
1 |
| Nucellangium glabrum |
Upper Carboniferous |
7 |
| Nyssa knowltoni |
NA |
1 |
| Nyssa knowltoni |
Lower Oligocene |
1 |
| Ochrosoidea sheppeyensis |
Eocene |
1 |
| Odina jenkinsi |
Eocene |
1 |
| Odontopteris sp. |
Upper Carboniferous |
3 |
| Osmundites sp. |
late Miocene |
1 |
| Otozamites sp. |
Jurassic |
1 |
| Otozamites sp. cf. |
Jurassic |
2 |
| Otozamites sp. |
Triassic |
4 |
| Otozamites powellii |
Upper Triassic |
1 |
| Pachydermophyllum rhomboidalis |
Jurassic |
6 |
| Pachytesta illinoense |
NA |
7 |
| Pachytesta illinoense |
Upper Carboniferous |
2 |
| Pachytesta sp. |
Upper Carboniferous |
2 |
| Pachytheca sp. |
Lower Devonian |
5 |
| Palaeallophylus ovoideus |
Eocene |
1 |
| Palaeorhodomyrtus subangulata |
Eocene |
1 |
| Palaeostachya sp. |
Upper Carboniferous |
2 |
| Palaeostachya leptorachis |
Upper Carboniferous |
5 |
| Palaeovitis paradoxa |
Eocene |
1 |
| Paleoxyris sp. |
Upper Carboniferous |
2 |
| Palmatopteris sp. |
Permian |
1 |
| Palmatopteris furcata |
Upper Carboniferous |
1 |
| Palmoxylon sp.(stem) |
NA |
3 |
| Paranymphea crassifolia |
Eocene |
1 |
| Pararaucaria patagonica |
Early Tertiary |
1 |
| Parka decipiens |
Lower Devonian |
9 |
| Pecopteris fructification |
NA |
1 |
| Pecopteris sp. |
Permian |
11 |
| Pecopteris sp. |
NA |
1 |
| Pecopteris sp. |
Upper Carboniferous |
15 |
| Pecopteris dentata |
Upper Carboniferous |
1 |
| Pecopteris miltoni |
Upper Carboniferous |
1 |
| Pecopteris unita |
Permian |
2 |
| Pentoxylon sahni |
NA |
2 |
| Persea pseudocarolinensis |
Upper Eocene |
2 |
| Persea pseudocarolinensis |
Mio-Pliocene |
1 |
| Pertica quadrifaria |
Lower Devonian |
18 |
| Pertica varia |
Lower Devonian |
4 |
| Pertica quadrifaria |
NA |
1 |
| Pertica varia |
NA |
1 |
| Petrophiloides richardsoni |
Early Tertiary |
1 |
| Phyllites alchorneopsis |
Upper Eocene |
1 |
| Phyllites cordiaefolia |
Middle Eocene |
1 |
| Physostoma sp. |
Upper Carboniferous |
1 |
| Piazopteris branneri |
Jurassic? |
1 |
| Pinnularia sp. |
Upper Carboniferous |
1 |
| Pinus arnoldii |
Middle Eocene |
2 |
| Pinus similkameenensis |
Middle Eocene |
2 |
| Pinus sp. |
Oligocene |
1 |
| Pitys dayi |
Lower Carboniferous |
1 |
| Planera longifolia |
Oligocene |
1 |
| Plantanophyllum sp. |
Cretaceous |
1 |
| Platanophyllum whitneyi |
Middle Eocene |
1 |
| Platanus dissecta |
Mio-Pliocene |
1 |
| Platanus coloradensis |
Middle Eocene |
1 |
| Platanus dissecta |
NA |
1 |
| Populus kansaseana |
Cretaceous |
3 |
| Populus prefremontii |
Pliocene |
1 |
| Populus balsamoides |
Mio-Pliocene |
1 |
| Populus pliotremuloides |
Lower to Middle Pliocene |
1 |
| Protoblechnum sp. |
Permo-Carboniferous |
2 |
| Protolepidodendron gilboense |
Middle Devonian |
1 |
| Protolepidodendron gilboense |
Upper Devonian? |
2 |
| Protosalvinia sp. |
Upper Devonian |
28 |
| Protosalvinia arnoldii |
Upper Devonian |
4 |
| Protosalvinia furcata |
Upper Devonian |
12 |
| Protosalvinia cf. raverina |
Upper Devonian |
30 |
| Prototaxites sp. |
Lower Devonian |
2 |
| Prototaxities sp. |
NA |
1 |
| Prototaxites cf. logani |
NA |
1 |
| Prototaxites logani |
NA |
1 |
| Prototaxites cf. loganii |
Lower Devonian |
26 |
| Prototaxites southworthii |
Lower Devonian |
6 |
| Psaronius sp. |
Upper Carboniferous |
45 |
| Psaronius sp. |
NA |
1 |
| Psaronius sp. (roots) |
NA |
1 |
| Psaronius blicklei |
Upper Carboniferous |
25 |
| Psaronius chasei |
Upper Carboniferous |
2 |
| Psaronius melanedrus |
Upper Carboniferous |
5 |
| Psaronius octostichus |
Upper Carboniferous |
2 |
| Psaronius pertusus |
Upper Carboniferous |
2 |
| Pseudosporochnus nodosus |
Middle Devonian |
5 |
| Pseudotsuga masoni |
Upper Miocene |
3 |
| Psilophyton crenulatum |
Lower Devonian |
1 |
| Psilophyton dapsile |
Lower Devonian |
9 |
| Psilophyton cf. dapsile |
Lower Devonian |
21 |
| Psilophyton dawsonii |
Lower Devonian |
8 |
| Psilophyton forbesii |
Lower Devonian |
29 |
| Psilophyton microspinosum |
NA |
9 |
| Psilophyton microspinosum |
Lower Devonian |
16 |
| Psilophyton princeps |
Lower Devonian |
50 |
| Psilophyton princeps var. ornatum |
Lower Devonian |
5 |
| Psilophyton sp. cf. |
Lower Devonian |
1 |
| Psilophyton sp. cf. |
NA |
1 |
| Pteridisperm stem |
Upper Carboniferous |
1 |
| Pteris silvicola |
NA |
1 |
| Ptychocarpus unitus |
Upper Carboniferous |
2 |
| Quercus sp. |
NA |
5 |
| Quercus wislizenoides |
Pliocene |
1 |
| Quercus clarnensis |
Oligo-Miocene |
4 |
| Quercus dayana |
Middle Miocene |
1 |
| Quercus distincta |
Middle Eocene |
1 |
| Quercus nevadensis |
Middle Eocene |
1 |
| Quercus prelobata |
Mio-Pliocene |
1 |
| Quercus prelobata |
Pliocene |
1 |
| Rellimia sp. |
Middle Devonian |
2 |
| Renalia heuberi |
Lower Devonian |
7 |
| Rhacophyton sp. |
Upper Devonian |
4 |
| Rhacophyton sp. |
NA |
1 |
| Rhacophyton ceratangium |
Upper Devonian |
151 |
| Rhacophyton ceratangium |
NA |
67 |
| Rhacophyton zygopteroides |
Upper Devonian |
7 |
| Rhacopteris lindsaeformis |
Lower Carboniferous |
2 |
| Rhamnidium chancyi |
Upper Eocene |
1 |
| Rhizopalmoxylon sp. |
NA |
2 |
| Rhumnus unaequilateralis |
Cretaceous |
2 |
| Robinia sp. |
Tertiary? |
1 |
| Rosa hilliae |
Mio-Pliocene |
1 |
| Rosa hilliae |
Oligo-Miocene |
1 |
| Russellites sp. |
Permian |
9 |
| Sabal grandisperma |
Eocene |
1 |
| Sabalites montanus |
Cretaceous |
1 |
| Sagenopteris phillipsi |
Jurassic |
6 |
| Sahnianthus parijai |
NA |
2 |
| Sahnianthus parijai |
Early Tertiary |
1 |
| Samaropsis sp. |
Permian |
3 |
| Samaropsis sp. |
Upper Carboniferous |
1 |
| Sapindophyll |
Cretaceous |
6 |
| Sapindospermum jenkinsi |
Eocene |
1 |
| Sapindus sp. |
Eocene |
3 |
| Sapindus grandifoliolus |
Eocene |
2 |
| Sapindus oregonianus |
Upper Miocene |
1 |
| Sawdonia ornata |
Lower Devonian |
21 |
| Sawdonia acanthotheca |
Lower Devonian |
8 |
| Sawdonia acanthotheca |
Middle Devonian |
2 |
| Schildera adamanica |
NA |
1 |
| Schizoneura sp. |
NA |
1 |
| Schopfiastrum decussatum |
Upper Carboniferous |
14 |
| Scleropteris illinoiensis |
Upper Carboniferous |
4 |
| Scolecopteris sp. |
NA |
1 |
| Scolecopteris sp. |
Upper Carboniferous |
3 |
| Scolecopteris minor var. parvifolia |
Upper Carboniferous |
4 |
| Scolecopteris illinoensis |
Upper Carboniferous |
1 |
| Scolecopteris iowensis |
Upper Carboniferous |
4 |
| Scolecopteris monothrix |
Upper Carboniferous |
8 |
| Senftenbergia plumosa var. jonesi |
Upper Carboniferous |
2 |
| Sequoia affinis |
Oligocene |
2 |
| Sequoia langsdorfii |
Oligo-Miocene |
1 |
| Sequoia reichenbachii |
Triassic-Jurassic? |
1 |
| Sigillaria sp. |
NA |
1 |
| Sigillaria sp. |
Upper Carboniferous |
97 |
| Sigillaria brardi |
Upper Carboniferous |
1 |
| Sigillariophyllum sp. |
Upper Carboniferous |
1 |
| Sphaeriodes ventricosa |
Eocene |
1 |
| Sphaerostoma ovale |
Upper Carboniferous |
1 |
| Sphenophyllum insigne |
NA |
1 |
| Sphenophyllum plurifoliatum |
NA |
1 |
| Sphenophyllum sp. |
NA |
25 |
| Sphenophyllum sp. |
Upper Carboniferous |
32 |
| Sphenopteris sp. |
Upper Carboniferous |
5 |
| Sphenopteris alata |
Upper Carboniferous |
1 |
| Sphenopteris brittsii |
Upper Carboniferous |
1 |
| Sphenopteris hoeninghausi |
NA |
3 |
| Sphenopteris hoeninghausi |
Upper Carboniferous |
5 |
| Sphenopteris neuropteroides |
NA |
1 |
| Sphenopteris cf. psuedogermanica |
Permian |
7 |
| Sphenopteris sp. |
Upper Carboniferous |
4 |
| Sphenopteris striata |
NA |
2 |
| Sphenopteris striata |
Upper Carboniferous |
1 |
| Sphenopteroid foliage |
Upper Carboniferous |
15 |
| Stauropteris burtislandica |
Lower Carboniferous |
8 |
| Stauropteris oldhami |
Upper carboniferous |
1 |
| Steloxylon sanctaecrucis |
Upper Devonian |
1 |
| Stigmaria ficoides |
Upper Carboniferous |
3 |
| Stigmaria pettycurense |
Lower Carboniferous |
1 |
| Stigmaria sp. |
NA |
3 |
| Stigmaria sp. |
Upper Carboniferous |
6 |
| Stigmaria sp. cf. |
NA |
5 |
| Stipidium sp. |
NA |
1 |
| Stipitopteris americana |
Upper Carboniferous |
2 |
| Stipitopteris sp. |
NA |
2 |
| Stizocarya communis |
Eocene |
1 |
| Sutcliffia insignis var. tuberculata |
Upper Carboniferous |
78 |
| Tabernaemontana intermedia |
Upper Eocene |
1 |
| Taeniocrada sp. |
Lower Devonian |
20 |
| Taeniocrada decheniana |
Lower Devonian |
1 |
| Taeniopteris sp. |
Permian |
1 |
| Taeniopteris coriacea |
Upper Carboniferous |
1 |
| Taeniopteris sp. |
Upper Carboniferous |
2 |
| Taeniopteris vittata |
Jurassic |
15 |
| Tapeinidium undulatum |
Upper Cretaceous |
19 |
| Taxodium dubium |
Lower Oligocene |
1 |
| Telangium affine |
Lower Carboniferous |
2 |
| Tempskya sp. |
Upper Cretaceous |
123 |
| Tempskya sp. (peel series) |
Cretaceous |
322 |
| Tempskya sp. |
Cretaceous |
168 |
| Tetracera eocenica |
Eocene |
1 |
| Tetrastichia bupatides |
Lower Carboniferous |
8 |
| Tetrastigma longisulcata |
Eocene |
1 |
| Tetraxylopteris schmidtii |
Upper Devonian |
12 |
| Thaumatopteris schenki |
Triassic |
1 |
| Thuja interrupta |
Eocene |
1 |
| Thursophyton sp. |
Lower Devonian |
17 |
| Tinaspora excavata |
Eocene |
1 |
| Tingia sp. |
Permian |
2 |
| Todites sp. cf. |
Jurassic |
1 |
| Todites williamsoni |
Jurassic |
4 |
| Torreya antiqua |
NA |
1 |
| Trapa microphylla |
Eocene |
1 |
| Tricarpellites communis |
Eocene |
1 |
| Tricoccites sp. |
|
1 |
| Trigonocarpus sp. |
Upper carboniferous |
4 |
| Tubicaulis multiscalariformis |
Upper Carboniferous |
7 |
| Tubicaulis scandens |
Upper Carboniferous |
5 |
| Tyrmia polynovii |
NA |
1 |
| Ulmus sp. |
Eocene |
1 |
| Vertebraria sp. |
Permo-Carboniferous |
6 |
| Viburnum antiquum |
Eocene |
2 |
| Viburnum asperum |
Eocene |
3 |
| Viburnum variabilis |
Middle Eocene |
1 |
| Walchia piniformis |
Upper Carboniferous |
4 |
| Walchia sp. |
Upper Carboniferous |
15 |
| Walchia sp. cf. |
Permian |
1 |
| Weinmania obtusifolia |
Eocene |
10 |
| Weinmania sp. |
Oligocene |
1 |
| Wetherella variabilis |
Early Tertiary |
1 |
| Whittleseya sp. |
Upper Carboniferous |
2 |
| Williamsonia sp. |
NA |
1 |
| Williamsonia sp. (fructification) |
NA |
1 |
| Williamsonia sp. |
Middle Jurassic |
4 |
| Zaenopteris sp. |
Permian |
2 |
| Zosterophyllum myretonianum |
Lower Devonian |
4 |
| Zosterophyllum rhenanum |
Lower Devonian |
2 |
