| Shark jaws & Teeth |
| Jaws and Teeth |
| Skates & Rays |
| Dasyatis akajei |
| Dipturus tengu |
| Rhinobatos schlegelii |
| Fossle Skates & Rays |
| Kakegawa |
| Rays I |
| Rays II |
| Holocephali |
| Chimaera phantasma |
| Hydrolagus colliei |
| Fossil Holocephali |
| SEM |
| What's NEW |
| J-elasmo |
| Sharks of Japan | |
| Etmopterus pucillus | |
| Lamna ditropis | |
| Mustelus manazo | |
| Pristiophorus japonicus | |
| Pseudotriakis microdon | |
| Triakis scyllium | |
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| Assemblages | ||
| Pleistocene | Ichijyuku | |
| Pliocene | Toyooka | |
| Kakegawa | ||
| Tomioka | ||
| Okinawa I | ||
| Okinawa II | ||
| Naarai | ||
| Miocene | Taga | |
| Senhata | ||
| Aoso | ||
| Haratashino | ||
| Tokigawa | ||
| Ichishi | ||
| Oligocene | Ashiya II | |
| Ashiya | ||
| Shiramizu | ||
| Eocene | Kawamagari | |
| Cretaceous | Ashizawa | |
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| Results | |
| Neurocrania | |
| Rostrum | |
| Dentitions | |
| Tooth Size | |
| Squalus | |
| Etmopterus | |
| Heterodontus | |
| Isurus | |
| I. hastalis | |
| Hemipristis | |
| Carcharhinus | |
| Carcharhinids | |
| gen.et sp.indet. | |
| Assemblages | |
| Tokyo Bay Sharks | |
| Elasmobranchii | ||||||
| Edestus | *Hispidaspis | Otodontidae | ||||
| Symmorium | *Hypotodus | *Carcharocles | ||||
| Orodus | *Jaekelotodus | *Otodus | ||||
| Triodus | *Odontaspis | *Parotodus | ||||
| Petalodontida | *Palaeohypotodus | Alopiidae | ||||
| Lissodus | *Striatolamia | *Alopias | ||||
| Asteracanthus | Mitsukulinidae | *Trigonotodus | ||||
| Ptychodontidae | *anomotodon | Megacasmidae | ||||
| Sphenodus | *Mitsukurina | *megacasma | ||||
| Hexanchidae | "Serratolamnidae" | Anacoracidae | ||||
| *Hexanchus | *Serratlamna | *Pseudocorax | ||||
| Squaliformes | Cardabiodontidae | *Squalicorax | ||||
| *Echinorhinus | Cardabiodon | Carcharhiniformes | ||||
| *Isistius | Lamnidae | *Abdounia | ||||
| *Squalus | *Carchardon | *galeocerdo | ||||
| Pristiopholus | *Isurus | *Galeorhinus | ||||
| Heterodontus | *Lamna | *Hemipristis | ||||
| Orectolobiformes | Cretoxyrhinidae | *Negaprion | ||||
| *Ginglymostoma | *Cretodus | *Rhizoprionodon | ||||
| *Rhincodon | *Cretolamna | *Scyliorhinus | ||||
| *Orectolobus | *Cretoxyrhina | Palaeospinacidae | ||||
| Odontaspidae | *Paleocarcharodon | *Synechodus | ||||
| *Brachycarcharias | Eoptolamnidae | |||||
| *Carcharias | *Leptstylax | |||||
| Fumio Nakagawa |