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List of fossils in Miyagi prefecture

A list of fossils reported from Miyagi prefecture, Tohoku region, Honshu island, Japan.

Photographs of outcrops and fossils in Miyagi prefecture

Permian (298.9-252.17 Ma)
Trilobites
Pseudophillipsia sp.
Pseudophillipsia obtusicauda
Pseudophillipsia spaculifera
Ammonoids
Bivalvia
Aviculopecten hataii
Gastropoda
Bellerophon sp.
Brachiopoda
Leptodus sp.
Leptodus richthofeni
Spiriferina sp.
Corals
Michelinia sp.
Michelinia multitabulata
Waagenophyllum sp.
Conifers
Cordaites sp.
Cordaites japonicus
Cordaites palmaeformis
Conifers or Ferns
Taeniopteris sp.
Taeniopteris latecostata
Taeniopteris nystroemii
Taeniopteris cf. schenkii
Taeniopteris tingii
Ferns
Paracalamites takahashii
Parasphenophyllum thonii var. minor
Paratrizygia maiyaensis
Pecopteris sp.
Sphenophyllum sp.
Trizygia oblongifolia
Seed ferns
Cathaysiopteris sp.
Cathaysiopteris whitei
Odontopteris sp.
Odontopteris subcrenulata
Psygmophyllum sp.
Psygmophyllum flabellatum
Psygmophyllum maiyaense
Fusulinids
Monodiexodina matsubaishi
Neoschwagerina sp.
Parafusulina sp.
Pseudoschwagerina sp.
Verbeekina sp.
Yabeina sp.
Bryozoans
Fenestella cf. retiformis
Jellyfishes
Neoconularia rectangularis
Calcareous algae
Trace fossils
Notacurites isp.?
Triassic (252.17-201.3 Ma)
Ichthyosaurs
Utatsusaurus hataii
Nothosaurs
Metanothosaurus nipponicus
Ammonoids
Danubites japonicus
Hollandites haradai
Hollandites japonicus
Hollandites japonicus crassicostatus
Monophyllites sp.
Ptychites sp.
Bivalvia
Daonella sp.
Entolium sp.
Monotis (Entomonotis) sp.
Pecten (Eupecten) ussuricus => Entolium ussuricus
Trigonia senex
Gastropoda
Brachiopoda
Crinoids
Lycopods
Knoria sp.
Jurassic (201.3-145.0 Ma)
Belemnoids
Ammonoids
Aspidoceras sp.
Ataxioceras sp.
Harpoceras sp.
Holcophylloceras sp.
Perisphinctes cf. matsushimai => Kranaosphinctes matsushimai
Perisphinctes ozikaensis
Bivalvia
Bakevellia (Neobakevellia) trigona => Neobakevellia trigona
Inoceramus sp.
Myophorella orientalis
Trigonia sp.
Trigonia sumiyagura
Gastropoda
Corals
Conifers
Dadoxylon cf. japonicum
Frenelopsis hoheneggeri
Cycads
Nilssonia orientalis
Otozamites kondoi
Zamiophyllum buchianum
Zamites sp.
Ferns
Cladophlebis denticulata
Gleichenia sp.
Cretaceous (145.0-66.0 Ma)
Ammonoids
Berriasella sp.
Belemnoids
Bivalvia
Polymesoda naumanni
Polymesoda shiroiensis
Trigonia sp.
Gastropoda
Corals
Miocene (23.03-5.33 Ma)
Mammals
Desmostylus sp., (Molars)
Sharks
Carcharocles megalodon, (Teeth)
Isurus sp., Mako shark, (Teeth)
Insects
Echinoids (Needles)
Bivalvia
Acesta sp.
Acila divaricata, Divaricate nut clam(s)
Anadara sp.
Anadara ogawai
Chlamys sp.
Chlamys otukae
Chlamys cosibensis
Chlamys (Mimachlamys) kaneharai => Mimachlamys kaneharai
Chlamys miyatokoensis
Clinocardium sp.
Cultellus izumoensis
Cyclocardia sp.
Dosinia sp.
Dosinia (Kaneharaia) kaneharai => Kaneharaia kaneharai
Dosinia kannoi
Glycymeris sp.
Glycymeris cf. idensis
Glycymeris matumoriensis => Glycymeris matsumoriensis
Laevicardium (Trachycardium) angustum => Trachycardium angustum
Lucinoma annulata
Macoma izurensis
Macoma optiva
Mercenaria yokoyamai
Meretrix sp.
Miyagipecten matsumoriensis
Mizuhopecten sp.
Mizuhopecten matumoriensis
Mizuhopecten paraplebejus
Mya japonica => Mya arenaria, Soft-shell clam
Nanaochlamys notoensis
Nanaochlamys notoensis otutumiensis
superfamily Ostreoidea, Oyster
Panomya simotomensis
Panopea japonica, Japanese geoduck
Patinopecten kimurai => Mizuhopecten kimurai
Placopecten nomurai
Serripes yokoyamai
Siratoria siratoriensis
Thracia genbiana
Venericardia siogamensis => Cyclocardia siogamensis
Scaphopoda
Dentalium yokoyamai => Fissidentalium yokoyamai
Gastropoda
Calliostoma sp.
Fulgoraria sp.
Glossaulax sp.
Neptunea hukusimensis
Neptunea hukusimensis matumori => Neptunea matumori
Tectus fenestratus
Turbo ozawai
Turritella kadonosawaensis
Brachiopoda
Coptothyris grayi
Dallina miyatokoensis
Nipponithyris subovata
Terebratulina crossei => Terebratulina kiiensis
Flowering plants
Acer sp., (Leaves)
Acer palaeodiabolicum => Acer yamanae, (Leaves)
Acer uweharae => Acer huziokae, (Leaves)
Alnus cf. hirsuta, Manchurian alder, (Leaves)
Betula sp., Birch, (Leaves)
Carpinus sp., (Leaves)
Carpinus cf. erosa => Carpinus cf. cordata, Sawa hornbeam, (Leaves)
Carpinus cf. japonica, (Leaves)
Castanea cf. crenata, Japanese chestnut, (Leaves)
Cinnamomum camphora, Camphor tree
Comptoniphyllum sp. => Comptonia sp.
Fagus sp., Beech, (Leaves)
Fagus palaeocrenata, (Leaves)
Ilex sp., Holly
Liquidambar formosana, Formosan gum
Liquidambar miosinica, (Leaves)
Liriodendron sp., Tuliptree, (Leaves, Pollen)
Paliurus protonipponicus, (Leaves)
Populus balsamoides, (Leaves)
Populus emarginata, (Leaves)
Populus sanbonsugii, (Leaves)
Potamogeton sp.
Prunus sp.
Quercus sp., (Leaves)
Quercus protosalicina
Salix cf. jessoensis, Yeddo willow, (Leaves)
Salix cf. lackschewitziana => Salix cf. rorida, (Leaves)
Sorbus cf. commixta, (Leaves)
Stewartia sp.
Tilia sp.
Tilia cf. kabutoiwaensis, (Leaves)
Ulmus carpinoides, (Leaves)
Ulmus nipponicus, (Leaves)
Ulmus protojaponica, (Leaves)
Zelkova sp., (Leaves)
Conifers
subfamily Taxodiaceae, (Leaves)
Metasequoia japonica => Metasequoia occidentalis, (Leaves)
Pinus sp., (Leaves)
Sequoia sp., (Leaves)
Taxodioxylon sp.
Torreya sp., (Leaves)
Corals
Foraminifera
Globigerina sp.
Lepidocyclina japonica => Nephrolepidina japonica
Diatoms
Denticulopsis praedimorpha
Trace fossils
Teredo sp., Shipworm, (Tubes)
Rock pipes
Pliocene (5.33-2.58 Ma)
Mammals
family Equidae, Horse
Sinomastodon sendaicus
Stegodon sp.
infraorder Cetacea, Whales
superfamily Odontoceti, Dlophins
Birds
Sharks (Teeth)
Batoids
Crustaceans
Crabs, infraorder Brachyura
Bivalvia
Anadara tatunokutiensis
Clinocardium pseudofastosum
Cryptomya busoensis
Felaniella usta
Fortipecten takahashii
Lucinoma acutilineatum => Lucinoma acutilineata
Macoma tokyoensis
Mya japonica => Mya arenaria
superfamily Ostreoidea, Oyster
Panopea sp.
Panopea japonica, Japanese geoduck
Spisula sachalinensis
Yoldia cf. amygdalea
Gastropoda
Flowering plants
Alnus japonica, East asian alder
family Asteraceae
Carpinus sp., Hornbeam
Carpinus japonica, Japanese hornbeam
Castanea sp., Chestnut
Fagus crenata, Japanese beech
Fraxinus sp., Ash
Poaceae, family, Grass
Quercus mongolica subsp. crispula
Quercus serrata
Reynoutria sachalinensis, Giant knotweed
family Rosaceae, Rose
Tilia sp.
Zelkova ungeri
Conifers
Abies sp.
Glyptostrobus europaeus
Pinus sp., Pine
Sequoia sp. => Probably misidentification of Metasequoia sp.
Sequoia japonica => Metasequoia occidentalis
Tsuga sp.
Ferns
Diatoms
Trace fossils
Pipe rocks
Pleistocene (2.58- 0.01Ma)
Diatoms
Holocene (0.01-0 Ma)
Bivalves
Flowering plants
Betula sp.
Fagus sp.
Quercus sp.
Conifers
Picea sp.
Pinus sp.
Tsuga sp.
Lycopods
Selaginella selaginoides, Lesser clubmoss, Club spikemoss
Investigation in progress
Sharks
Isurus hastalis => Cosmopolitodus hastalis, Broad-tooth white shark, (Miocene?)
Crustaceans
Crabs
Helice sp., (Miocene?)
Echinuses
Strongylocentrotus sp., (Miocene?)
Bivalvia
Anadara ninohensis, (Miocene?)
Cardilia yudaensis, (Miocene?)
Chlamys otukae, (Miocene?)
Clinocardium shinjiense, (Miocene?)
Felaniella cf. usta, (Miocene?)
Glycymeris cf. vestitoides, (Miocene?)
Kotorapecten kagamianus => Patinopecten kagamianus, (Miocene?)
Macoma cf. calcarea, (Miocene?)
Nemocardium samarangae => Keenaea samarangae, (Miocene?)
Nipponopecten akihoensis => Placopecten akihoensis, (Miocene?)
Nipponopecten wakuyaensis => Placopecten wakuyaensis, (Miocene?)
Pitar itoi, (Miocene?)
Polynemamussium yasudae => Parvamussium yasudae, (Miocene?)
Scaphopoda
Dentalium weinkauffi => Antalis weinkauffi, (Miocene?)
Gastropoda
Calyptraea tubura, (Miocene?)
Fulgoraria cf. prevostiana => Fulgoraria cf. megaspira prevostiana, (Miocene?)
Homalopoma cf. sangarense, (Miocene?)
Natica cf. janthostomoides => Cryptonatica cf. andoi, Violet-mouthed moon, (Miocene?)
Neptunea cf. koromogawana, (Miocene?)
Tugali decussatoides, (Miocene?)
Turritella s-hataii => Turritella shataii, (Miocene?)
Brachiopoda
Gryphus insolitus, (Miocene?)
Terebratalia tenuis, (Miocene?)
Terebratulina honsyuensis, (Miocene?)
Sponges
Aphrocallistes sp., (Miocene?)