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Toyora - Nishinakayama - Nb, Shimonoseki, Yamaguchi Prefecture, Japan

GroupToyora
FormationNishinakayama
MemberNb
Age:183 - 182 Ma
Early Jurassic
IntervalTenuicostatum
Lithologyshale, "shale"/sandstone, sandstone
Number of Collections38
Number of Occurrences300

Recorded Sample Locations

LocationRegionStratigraphic Name
ToyoraShimonoseki, Yamaguchi Prefecture, JapanToyora - Nishinakayama - Nb

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Toyora - Nishinakayama183 - 174 Ma
Jurassic
shale, "shale"/sandstone, mudstone34
Toyora - Nishinakayama - Na183 - 182 Ma
Early Jurassic
shale11

Recorded Fossils

Accepted NameHierarchyAge
Vertebrata
subphylum
2.3Animalia : Chordata : Vertebrata189.6 - 182 Ma
Early Jurassic
Leptolepis sp.
genus
6Animalia : Chordata : Actinopteri : Leptolepidiformes : Leptolepididae : Leptolepis183 - 182 Ma
Early Jurassic
Crinoidea
class
3Animalia : Echinodermata : Crinoidea183 - 182 Ma
Early Jurassic
Pseudomytiloides matsumotoi
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Pseudomytiloides : Pseudomytiloides matsumotoi189.6 - 182 Ma
Early Jurassic
Modiolus sp.
genus
6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus189.6 - 182 Ma
Early Jurassic
Gervillia sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Gervillia183 - 182 Ma
Early Jurassic
Ostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea189.6 - 182 Ma
Early Jurassic
Bositra sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Posidoniidae : Bositra183 - 182 Ma
Early Jurassic
Meleagrinella sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Oxytomidae : Meleagrinella189.6 - 182 Ma
Early Jurassic
Goniomya sp.
genus
6Animalia : Mollusca : Bivalvia : Pholadomyidae : Goniomya183 - 182 Ma
Early Jurassic
Belemnoida
superorder
3.7Animalia : Mollusca : Cephalopoda : Belemnoida189.6 - 182 Ma
Early Jurassic
Ammonitina
suborder
4.3Animalia : Mollusca : Cephalopoda : Ammonitida : Ammonitina189.6 - 182 Ma
Early Jurassic
Coeloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Coeloceratidae : Coeloceras183 - 182 Ma
Early Jurassic
Dactylioceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Dactylioceratidae : Dactylioceras189.6 - 182 Ma
Early Jurassic
Arieticeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Arieticeras183 - 182 Ma
Early Jurassic
Canavaria sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Canavaria189.6 - 182 Ma
Early Jurassic
Fontanelliceras fontanellense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Fontanelliceras : Fontanelliceras fontanellense183 - 182 Ma
Early Jurassic
Fuciniceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Fuciniceras189.6 - 182 Ma
Early Jurassic
Harpoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Hildoceratidae : Harpoceras189.6 - 182 Ma
Early Jurassic
Hildoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Hildoceras183 - 182 Ma
Early Jurassic
Lioceratoides sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Lioceratoides189.6 - 182 Ma
Early Jurassic
Protogrammoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hildoceratidae : Protogrammoceras189.6 - 182 Ma
Early Jurassic
Lytoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Lytoceratidae : Lytoceras183 - 182 Ma
Early Jurassic
Ammonoidea
order
4Animalia : Mollusca : Cephalopoda : Ammonoidea183 - 182 Ma
Early Jurassic
Belemnoidea
superfamily
4.7Animalia : Mollusca : Cephalopoda : Belemnoidea183 - 182 Ma
Early Jurassic
Calliphylloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Phylloceratidae : Calliphylloceras183 - 182 Ma
Early Jurassic
Holcophylloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Phylloceratidae : Holcophylloceras189.6 - 182 Ma
Early Jurassic

References

Tanabe K. (1991) Early Jurrasic Macrofauna of the Oxygen-Depleted Epicontinental Marin Basin in the Toyora Area, West Japan, Saito Ho-on Kai Special Publication 3, 147-161
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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