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List of fossils in Iwate prefecture
A list of fossils reported from Iwate prefecture, Tohoku region, Honshu island, Japan.
Photographs of outcrops and fossils in Iwate prefecture
- Silurian (443.4-419.2 Ma)
- Trilobites
- Encrinurus sp.
- Brachiopoda
- Raphinesquina sp.
- Corals
- Cyathophylum sp.
- Favosites sp.
- Favosites sp. cf. F. baculoides
- Halysites sp.
- Heliolites sp.
- Heliolites bohemicus
- Stromatoporoids
- Devonian (419.2-358.9 Ma)
- Trilobites
- Reedops nonakai
- Brachiopoda
- Nodella pexa => Malloproductus pexus
- Spirifer verneuili => Cyrtospirifer verneuili
- Syringothyris sakamotoi
- Lycopods
- Cyclostigma sp. => Jurinodendron sp.
- Leptophloeum rhombicum
- Carboniferous (358.9-298.9 Ma)
- Trilobites
- Linguaphillipsia subconica
- Phillipsia ohmoriensis
- Gastropoda
- Euomphalus (Straparollus) asanoi => Straparollus asanoi
- Brachopoda
- Conifers
- Araucarioxylon sp.
- Corals
- Actinocyathus japonicus
- Koninckophyllum sp.
- Kueichouphyllum sp.
- Kueichouphyllum yabei
- Siphonodendron sp.
- Siphonodendron martini
- Green algae
- Chaetetes nagaiwaensis
- Calcareous algae
- Permian (298.9-252.17 Ma)
- Ammonoids
- Paraceratites? sp.
- Ferns or Conifers
- Taeniopteris setamaiensis
- Crinoids
- Brachiopoda
- Leptodus sp.
- Fusulinids
- Lepidolina multiseptata
- Parafusulina matsubaishi => Monodiexodina matsubaishi
- Calcareous algae
- Triassic (252.17-201.3 Ma)
- Ammonoids
- Monophyllites wengensis
- Bivalvia
- Daonella sp.
- Calcareous algae
- Triassic-Jurassic
- Conodonts
- Gondolella cf. polygnathiformis
- Radiolarians
- Archaeospongoprunum cf. imlayi
- Hsuum sp.
- Pantanellium sp.
- Parvicingula sp.
- Saitoum sp.
- Cretaceous (145.0-66.0 Ma)
- Dinosaurs
- suborder Sauropoda
- Moshi-ryu, fam. gen. et sp. indet., (Bones)
- Reptiles
- order Plesiosauria
- Mosasaurus sp. (Ž•)
- order Crocodilia
- order Testudines, Turtle
- Sharks (Teeth)
- Ammonoids
- Anapachydiscus sp. cf. A. sutneri => Menuites sp. cf. M. sutneri
- Cheloniceras? sp.
- Hypacanthoplites sp. aff. H. spathi
- Nautiloids
- Cymatoceras sp. cf. C. pseudoneokomiense
- Crustaceans
- Linuparus sp.
- Insects (Wings, Eggs)
- Echinuses
- Heteraster hiranamensis
- Bivalvia
- Amphidonte subhariotoidea
- Anthonya subcantiana
- Atrina sp.
- Cercomya gurgitis
- Cucullaea acuticarinata
- Eriphyla miyakoensis
- Goniomya subarchiaci
- Inoceramus japonicus
- Neithea nipponica
- Nipponitrigonia kikuchiana
- superfamily Ostreoidea, Oyster
- Pholadomya (Bucardiomya) brevitesta => Pholadomya brevitesta
- Pterotrigonia hokkaidoana
- Spondylus decoratus
- Gastropoda
- Ataphrus yokoyamai
- Nerinea rigida
- Neritopsis sp.
- Nododelphinula elegans
- Otostoma japonicum
- Pseudomelania elegantula
- Trajanella japonica
- Tylostoma miyakoense
- Ferns (Trunks)
- Cladophlebis sp.
- Tempskya sp.
- Corals
- Eugyra cf. cotteaui
- Crinoids
- Crinoids
- Isocrinus sp.
- Foraminifera
- Orbitolina sp. cf. lenticularis
- Sponges
- Calcareous algae
- Paleocene (66.0-56.0 Ma)
- Flowering plants
- Cercidiphyllum sp.
- Aquatic plants
- Conifers
- Metasequoia sp.
- subfamily Taxodiaceae
- Ginkgopsids
- Cycads
- Dihunopsis? sp.
- Moss
- Oligocene (39.0-23.03 Ma)
- Mammals
- aff. order Mysticeti
- Crustaceans
- Cancer minutoserratus
- Bivalvia
- Clinocardium fastosum
- Crassostrea gigas => Magallana gigas
- Cycads
- Dioon sp.
- Miocene (23.03-5.33 Ma)
- Mammals
- Desmostylus japonicus, (Molars)
- Ontocetus oxymycterus => Albicetus oxymycterus
- Reptiles
- Geoclemys yudaensis
- Fishes
- Lampadena nanae
- Sharks
- Carcharodon megalodon => Carcharocles megalodon, (Teeth)
- Crustaceans
- Carcinoplax antiqua
- Scylla ozawai
- Insects
- Hodotermopsis iwatensis
- family Tenebrionidae, Darkling beetle
- Bivalvia
- Anadara cf. ogawai
- Clinocardium andoi?
- Crassostrea gravitesta => Magallana gigas, Pacific oyster
- Kotorapecten kagamianus => Patinopecten kagamianus
- Masudapecten kintaichiensis => Patinopecten kintaichiensis
- superfamily Ostreoidea
- Panomya simotomensis
- Solemya tokunagai => Acharax johnsoni
- Gastropoda
- Neverita coticazae => Neverita didyma coticazae
- Flowering plants
- Acer subpictum
- Conifers
- subfamily Taxodiaceae
- Taxodioxylon sequoianum
- Foraminifera
- Globorotalia rikuchuensis
- Diatoms
- Actinocyclus ingens
- Pleistocene (2.58- 0.01Ma)
- Mammals
- Leptobison hanaizumiensis => Bison hanaizummiensis
- Sinomegaceros kinryuensis => Sinomegaceros yabei, (Horn)
- Flowering plants
- Alnus sp., (Cones)
- Alnus hirsuta, (Cones)
- Corylus sp., (Cones)
- Corylus sieboldiana, Asian beaked hazel, (Cones)
- Juglans mandshurica var. sachalinensis, Japanese walnut, (Cones)
- Quercus sp., Oak, (Cupule)
- Salix sp., Willow, (Branches)
- Conifers
- Larix gmeliniii subsp. japonica, (Cones)
- Picea sp., Spruce, (Cones)
- Picea alcokiana, (Cones)
- Picea glehnii, Sakhalin spruce, (Cones)
- Pinus koraiensis, Korean pine, (Cones)
- Investigation in progress
- Flowering plants
- Juglans megacinerea => Juglans cinerea var. megacinerea, (Nuts)