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List of fossils in Hokkaido prefecture
A list of fossils reported from Hokkaido, Hokkaido island, Japan.
Photographs of outcrops and fossils in Hokkaido
- Paleozoic
- Radiolarians
- Carboniferous (358.9-298.9 Ma)
- Fusulinids
- Triassic (252.17-201.3 Ma)
- Bryozoans
- Conodonts
- Triassic-Jurassic
- Bivalvia
- Megalodon sp.
- Conodonts
- Jurassic (201.3-145.0 Ma)
- Corals
- Calcareous algae
- Jurassic-Cretaceous
- Foraminifera
- Radiolarians
- Cretaceous (145.0-66.0 Ma)
- Birds
- Hesperornis sp., (Bones)
- Dinosaurs
- order Ornithischia
- Nodosaurus sp.
- Reptiles
- order Plesiosauria
- Taniwhasaurus mikasaensis (Skulls)
- order Pterosauria
- Mosasaurus sp.
- family Dermochelydae
- Mesodermochelys sp.
- Sharks (Teeth)
- Ammonoids
- Acanthoceras sp.
- Acompsoceras renevierii
- Ainoceras paucicostatum => Jouaniceras (Ainoceras) paucicostatum
- Anagaudryceras sp.
- Austiniceras ambigua => Parapuzosia (Austiniceras) ambigua
- Canadoceras kossmati
- Damesites sp.
- Desmoceras japonicum
- Eupachydiscus haradai
- Gaudryceras sp.
- Gaudryceras denseplicatum
- Gaudryceras hamanakense
- Gaudryceras tenuiliratum
- Hauericeras augustum
- Hyperpuzosia tamon
- Hyphantoceras orientale
- Hypoturrilites komatai
- Mantelliceras japonicum
- Mesopuzosia sp.
- Neophylloceras sp.
- Neophylloceras subramosum
- Nipponites sp.
- Nipponites bacchus
- Nipponites mirabilis
- Pachydiscus sp.
- Polyptychoceras sp.
- Polyptychoceras haradanum
- Polyptychoceras subquadratum
- Puzosia subcorbarica
- Sciponoceras baculoide
- Texanites kawasakii
- Turrilites costatus
- Zelandites sp.
- Echinoids
- Bivalvia
- Acila sp.
- Acila sp.
- Anthonya japonica
- Aphrodina pseudoplana
- Inoceramus "hobetsuensis"
- Inoceramus iburiensis
- Inoceramus japonicus
- Inoceramus orientalis
- Inoceramus uwajimensis
- Nanonavis sp.
- superfamily Ostreoidea
- Panopea sp.
- Patinopecten sp.
- Pterotrigonia hokkaidoana (Probably misidentifed as a paper published in 1992 comments no production of this species from hokkaido.
- Steinmanella ainuana
- Thetis sp.
- Trigonarca sp.
- Trigonia sp.
- Propeamussium cowperi var. yubarensis => Propeamussium yubarense
- Gastropoda
- Adiozoptyxis hidakensis
- Anisomyon transformis
- Gigantocapulus giganteus
- Helcion gigantea
- Flowering plants (Flowers)
- Cycads
- Cycadeoidea ezoana
- Algae
- Corals
- Foraminifera
- Orbitolina sp.
- Radiolarians
- Trace fossils
- Paleogene
- Bivalvia
- Palliolum peckhami => Delectopecten peckhami
- Portlandia watasei
- Venericardia elliptica => Cyclocardia elliptica
- Flowering plants
- Musophyllum nipponicum, (Leaves)
- Platanus aceroides, (Leaves)
- Populus eowightiana, (Leaves)
- Sabal nipponica => Sabalites nipponicus, (Leaves)
- Ferns
- Equisetum ezoense, (Leaves)
- Eocene (56.0-39.0 Ma)
- Reptiles
- family Testudinidae
- Bivalvia
- Calyptogena sp.
- Corbicula sp.
- Margaritifera sp.
- superfamily Ostreoidea
- Unio sp.
- Gastropoda
- Flowering plants
- Acer sp., (Samara)
- Alnus sp., (Leaves)
- Carpinus japonica, (Leaves)
- Cercidiphyllum sp.
- Corylus sp.
- Musa sp.
- Nelumbo sp.
- Platanus sp.
- Populus latior, (Leaves)
- Quercus dentata, (Leaves)
- Salix sp., (Leaves)
- Trachycarpus sp., (Leaves)
- Ulmus harutoriensis, (Leaves)
- Zelkova sp.
- Conifers
- Metasequoia occidentalis, (Leaves, Cones)
- Sequoia sp.
- Ferns
- Osmunda sp.
- Woodwardia decurrens, (Leaves)
- Woodwardia ezoana, (Leaves)
- Trace fossils
- Pipe rocks
- Oligocene (39.0-23.03 Ma)
- Mammals
- Whales (Skulls)
- Behemotops sp.
- Crustaceans
- Crabs (Claws)
- Callianassa sp., (Claws)
- Bivalvia
- Acila picturata
- Anadara ferruginea
- Macoma sp.
- Megacardia sp.
- family Naticidae, Moon snail
- Pecten sp.
- Portlandia ovata
- Portlandia watasei
- Scaphopoda
- Gastropoda
- Neptunea sp.
- Neptunea dispar
- Rhinoclavis sp.
- Turritella poronaica
- Flowering plants (Trunks)
- Alangium basiobliguum, (Leaves)
- Planera ezoana, (Leaves)
- Ulmus harutoriensis, (Leaves)
- Foraminifera
- Algae
- Dinoflagellates
- Oligocene-Miocene
- Bivalvia
- Foraminifera
- Diatoms
- Coscinodiscus yabei => Thalassiosira yabei
- Trace fossils
- Burrows
- Neogene
- Bivalvia
- Crassostrea gigas => Magallana gigas
- Diplodonta ferruginata
- Miocene (23.03-5.33 Ma)
- Mammals
- Whales
- superfamily Mysticeti
- Elephants
- Gomphotherium sp.
- Desmostylus sp., (Bones)
- Hydrodamalis sp.
- Dusisiren sp.
- Dolphins (Bones)
- Fishes (Scales)
- Oncorhynchus sp.
- Sharks (Teeth)
- Echinuses
- Echinarachnium sp.
- Bivalvia
- Acila divaricata, Divaricate nut clam
- Acila elongata
- Anadara kakehataensis
- Calyptogena pacifica
- Chlamys cosibensis
- Clinocardium sp.
- Clinocardium okushirense
- Conchocele bisecta
- Cyclina japonica
- Dosinia nomurai
- Hataiyoldia tokunagai var. hayasakai
- Hiatula minoensis
- Limopsis tokaiensis
- family Lucinidae
- Lucinoma sp.
- Lucinoma acutilineata
- Mytilus tichanovitchi
- Macoma sp.
- Mactra sp.
- Mya cuneiformis
- Nipponomarcia sp.
- superfamily Ostreoidea
- Pecten sp.
- Phacosoma sp. => Dosinia sp.
- Protothaca jedoensis => Leukoma jedoensis
- Siliqua elliptica
- Solemya tokunagai => Acharax johnsoni
- Spisula onnechiuria
- Thracia sp.
- Thracia asahiensis
- Yoldia sp.
- Yoldia biremis
- Yoldia notabilis
- Yoldia thraciaeformis => Megayoldia thraciaeformis
- Scaphopoda
- Dentalium yokoyamai => Fissidentalium yokoyamai
- Gastropoda
- Euspira meisensis
- Neptunea sp.
- Neptunea sp.
- Tectonatica sp.
- Turritella sp.
- Vicarya yokoyamai => Potamides yokoyamai
- Vicaryella ishiiana => Potamides ishiiana
- Vicaryella notoensis => Potamides notoensis
- Flowering plants (Trunks)
- Acer rotundatum, (Leaves)
- Acer yoshiokaense, (Samara)
- Ailanthus yezoense, (Leaves, Samara)
- Alnus maximowiczii, (Leaves, Cones)
- Alnus usyuensis, (Leaves)
- Betula miomaximowicziana, (Leaves, Cones)
- Betula onbaraensis, (Leaves)
- Betula Protoermanii, (Leaves)
- Castanea miomollissima, (Leaves)
- Cedrela nipponica, (Samara)
- Cercidiphyllum crenatum, (Leaves)
- Cladrastis chaneyi, (Leaves)
- Comptonia naumanni => Comptonia japonica, (Leaves)
- Cyclobalanopsis nathorstii => Quercus nathorstii, (Leaves)
- Liquidambar miosinica, (Leaves)
- Parrotia pristina, (Leaves)
- Populus latior, (Leaves)
- Pterocarya asymmetrosa, (Samara)
- Pterocarya ezoana
- Pterocarya protostenoptera, (Samara)
- Rhododendron tatewakii, (Leaves)
- Sorbus uzenensis, (Leaves)
- Ulmus pseudolongifolia, (Leaves)
- Zelkova ungeri, (Leaves)
- Conifers (Trunks)
- Abies garoensis, (Cone)
- Abies n-suzukii, (Samara)
- Abies sachalinensis, (Cones)
- Keteleeria ezoana, (Leaves, Samara, Cone)
- Metasequoia occidentalis, (Leaves)
- Picea jezoensis, (Cones)
- Picea kaneharai, (Samara)
- Pseudolarix japonica, (Samara)
- Tsuga diversifolia, (Cones)
- Tsuga miocenica, (Samara, Cone)
- Sponges
- Makiyama chitanii
- Foraminifera
- Cyclammina japonica => Cyclammina cancellata
- Operculina sp.
- Diatoms
- Freshwater diatoms
- Trace fossils
- Feeding marks, (order Decapoda)
- Feeding marks, (Excirolana sp.) => Macaronichnus isp.
- Burrows
- Fauna of whale falls
- Miocene-Pliocene
- Mammals
- Whales
- Balaenura sp.
- Bivalvia
- Anodontia sp.
- Calyptogena sp.
- Conchocele sp.
- Phacosoma sp. => Dosinia sp.
- Lucinoma sp.
- Portlandia japonica => Megayoldia japonica
- Pseudamiantis sp.
- family Solemyidae
- Gastropoda
- Buccinum inclytum => Buccinum glaciale
- Megangulus sp.
- Neptunea? sp.
- Umbonium akitanum
- Flowering plants
- Alnus sp., (Pollen)
- Fagus sp., (Pollen)
- Tilia sp., (Pollen)
- Ulmus sp., (Pollen)
- Conifers
- Abies sp., (Pollen)
- Picea sp., (Pollen)
- Pinus sp., (Pollen)
- Tsuga sp., (Pollen)
- Sponges
- Makiyama chitanii
- Diatoms
- Trace fossils
- Feeding marks, (Excirolana sp.) => Macaronichnus isp.
- Pipe rocks
- Pliocene (5.33-2.58 Ma)
- Mammals
- Desmostylus sp., (Molars)
- Whales
- superfamily Mysticeti
- superfamily Mysticeti
- Balaenoptera aff. acutorostrata
- Hydrodamalis sp.
- Dolphins
- family Delphinidae
- Phocoena sp.
- Sharks
- Batoids
- Bivalvia
- Acila gottschei
- Acila nakazimai
- family Arcidae
- Callista brevisiphonata => Ezocallista brevisiphonata
- Chlamys daishakaensis => Chlamys tanassevitschi
- Chlamys swifti => Swiftopecten swiftii
- Clinocardium sp.
- Corbicula sp.
- Cyclocardia paucicostata => Cyclocardia crassidens
- Ennucula sp.
- Fortipecten takahashii
- Glycymeris yessoensis
- Lucinoma sp.
- Macoma sp.
- Mactromeris polynyma
- Megacardita sp.
- Mercenaria sp.
- Mizuhopecten yessoensis
- Mya sp.
- Mya cuneiformis
- Papyridea kurodai
- Pecten sp.
- Phacosoma sp. => Dosinia sp.
- Pododesmus macrochisma
- Porterius sp.
- Serripes sp.
- Serripes groenlandicus
- Spisula sp.
- Tridonta borealis => Astarte borealis
- Venericardia sp.
- Venericardia ferruginea
- Yoldia sp.
- Yoldia notabilis
- Gastropoda
- Acmaea pallida => Niveotectura pallida
- Buccinum sp.
- Fusitriton oregonensis
- Natica sp.
- Neptunea sp.
- Turritella fortilirata => Neohaustator fortilirata, Strong-ribbed turritella
- Crustaceans
- suborder Balanomorpha
- Echinoids (Needles)
- Foraminifera
- Elphidium sp.
- Eponides sp.
- Uvigerina sp.
- Flowering plants
- Acer palaeodiabolicum => Acer yamanae, (Leaves)
- Acer pseudcarpinifolium
- Acer saccharum, (Samara)
- Acer yabei, (Samara)
- Alnus protomaximowiczii
- Betula sp., (Pollen)
- Fagus, (Leaves)
- Fraxinus k-yamadai, (Samara)
- Prunus rubeshibensis, (Leaves)
- Rhus protoambigua, (Leaves)
- Salix, (Leaves)
- Conifers
- Larix, (Pollen)
- Picea, (Pollen)
- subfamily Taxodiaceae, (Pollen)
- Diatoms
- Thalassiosira oestrupii => Shionodiscus oestrupii
- Sponges (Spicules)
- Makiyama chitanii
- Trace fossils
- Feeding marks, (Excirolana sp.) => Macaronichnus isp.
- Pipe rocks
- Pliocene-Pleistocene
- Bivalvia
- Macoma sp.
- Plants (Trunks, Cones)
- Bryozoans
- order Anthoathecata
- Sponges (Spicules)
- Makiyama chitanii
- Radiolarians
- Diatoms
- Cocconeis costata
- Coscinodiscus sp.
- Thalassionema sp.
- Thalassiosira antiqua
- Thalassiosira oestrupii => Shionodiscus oestrupii
- Haptophytes
- Gephyrocapsa sp.
- Trace fossils
- Feeding marks
- Pleistocene (2.58- 0.01Ma)
- Mammals
- Whales (Bones)
- superfamily Mysticeti, (Bones)
- Balaenoptera borealis, (Jaws)
- Hydrodamalis sp., (Bones)
- Mammuthus primigenius, (Molars)
- Palaeoloxodon naumanni, (Entire structure, Molars)
- Sharks
- Carcharodon carcharias, (Teeth)
- Insects
- family Carabidae, (Elytrons)
- family Chrysomelidae, (Elytrons)
- family Elateridae, (Elytrons)
- Crustaceans
- suborder Balanomorpha
- Echinuses (Needles)
- family Laganidae
- Bivalvia
- Acila gottschei
- Anadara sp.
- Anodonta woodiana => Sinanodonta woodiana
- Arca boucardi
- Astarte alaskensis
- Callista brevisiphonata => Ezocallista brevisiphonata
- Callithaca adamsi => Protocallithaca adamsi
- Chlamys cosibensis
- Chlamys daishakaensis => Chlamys tanassevitschi
- Chlamys farreri => Azumapecten farreri
- Chlamys islandica erythrocomata => Chlamys albida
- Chlamys islandicus => Chlamys islandica
- Clinocardium sp.
- Clinocardium chikagawaense
- Clinocardium nuttallii
- Corbicula sp.
- Corbicula japonica
- Crassostrea gigas => Magallana gigas
- Crenomytilus grayanus
- Cristaria sp.
- Cyclina sp.
- Cyclocardia crebricostata
- Cyclocardia isaotakii
- Dosinia bilunulata
- Glycymeris yessoensis
- Heteroclidus pulchellus => Pandora pulchella
- Limopsis tokaiensis
- Liocyma fluctuosa
- Lucinoma annulata
- Macoma incongrua
- Mactra veneriformis => Mactra quadrangularis
- Megacardita sp.
- Monia macrochisma => Pododesmus macrochisma
- Mya japonica => Mya pseudoarenaria
- Phacosoma japonicum => Dosinia japonica
- Patinopecten yessoensis => Mizuhopecten yessoensis
- Pecten (Plebjus) sp. => Pecten sp.
- Profulvia kurodai => Papyridea kurodai
- Protothaca jedoensis => Leukoma jedoensis
- Scapharca subcrenata => Anadara kagoshimensis
- Serripes sp.
- Spisula sachalinensis
- Swiftopecten swiftii
- Tapes philippinarum => Ruditapes philippinarum
- Trapezium liratum => Neotrapezium liratum
- Vasticardium sp.
- Gastropoda
- Admete couthouyi => Admete viridula
- Batillaria cumingii => Batillaria attramentaria
- Boreotrophon candelabrum
- Buccinum middendorfii
- Crepidula grandis => Grandicrepidula grandis
- Cryptonatica clausa => Cryptonatica affinis
- Derjuginella sp.
- Homalopoma amussitatum
- Mitrella tenuis => Mitrella burchardi
- Neptunea sp.
- Nucella sp.
- Nucella freycinetii subsp. alabaster
- Obesotoma sp.
- Plicifusus plicatus => Plicifusus scissuratus
- Rapana thomasiana? => Rapana venosa?
- Rapana venosa
- Rhodopetoma erosa
- Tectonatica russa => Cryptonatica russa
- Trichotropis bicarinata
- Turritella fortilirata => Neohaustator fortilirata, Strong-ribbed turritella
- Turritella saishuensis
- Umbonium moniliferum
- Volutopsius sp.
- Flowering plants
- Acer sp., (Pollen)
- Acer palaeodiabolicum => Acer yamanae
- Acer pseudocarpinifolium
- Alnus sp., (Pollen)
- Alnus protomaximowiczii
- Artemisia sp., (Pollen)
- Betula sp., (Pollen)
- Betula ermanii, (Pollen)
- Betula platyphylla, (Pollen)
- Carpinus sp., (Pollen)
- Fagus sp., (Pollen)
- Fraxinus sp., (Pollen)
- Fraxinus mandshurica var. japonica, (Pollen)
- Juglans sp., (Trunks, Nuts, Pollen)
- Menyanthes trifoliata, (Seeds)
- Myrica sp., (Pollen)
- Nuphar sp., (Pollen)
- Phellodendron sp., (Pollen)
- Quercus sp., (Trunks, Pollen)
- Quercus mongolica subsp. crispula, (Pollen)
- Quercus dentata, (Pollen)
- family Rosaceae, (Pollen)
- Salix sp., (Pollen)
- Sorbus sp., (Pollen)
- Sparganium sp., (Pollen)
- Styrax sp., (Nuts)
- Tilia sp., (Pollen)
- Trapa macropoda, (Seeds)
- Ulmus sp., (Pollen)
- family Urticaceae, (Pollen)
- Conifers
- Abies sp., (Trunks, Pollen)
- Abies sachalinensis, (Trunks, Pollen)
- Larix sp., (Trunks, Pollen)
- Larix gmelinii, (Branches, Cones)
- Picea sp., (Pollen)
- Picea glehnii, (Cones)
- Picea jezoensis, (Trunks, Cones)
- Pinus sp., (Cones, Pollen)
- Pinus densiflora, (Cones)
- subfamily Taxodiaceae, (Pollen)
- Tsuga sp., (Pollen)
- Ferns
- family Dryopteridaceae, (Pollen)
- Corals
- Foraminifera
- Elphidiella sp.
- Elphidium sp.
- Bryozoans
- order Anthoathecata
- Diatoms
- Nitzschia amphibia
- Rhopalodia gibberula
- Haptophytes
- Gephyrocapsa sp.
- Trace fossils
- Burrows (Crabs)
- Burrows (Polychaetes)
- Burrows (Upogebia sp.)
- Pipe rocks
- Pleistocene-Holocene
- Flowering plants
- Menyanthes sp. (Seeds)
- Conifers (Trunks)
- Picea glehnii, (Cones)
- Trace fossils
- Pipe rocks
- Holocene (0.01-0 Ma)
- Bivalvia
- Corbicula sp.
- Trace fossils
- Pipe rocks
- Investigation in progress
- Mammals
- Mammuthus primigenius, (Molars)
- Fishes (Scales)
- Insects
- order Odonata, (Wings)
- Flowering plants
- subfamily Bambusoideae, (Plant opal)
- Calamagrostis sp., (Plant opal)
- Comptonia sp., (Leaves)
- Festuca sp., (Plant opal)
- Liquidambar sp., (Pollen)
- Quercus sp., (Leaves)
- Conifers
- Pinus sp., (Cones)
- Foraminifera
- Cyclammina japonica => Cyclammina cancellata
- Diatoms
- Coscinodiscus sp.
- Stephanopyxis sp.