Fumio Nakagawa
April 21, 2000-
Elasmobranchii (world) Assemblage (Japan) Summary (Japan) Dentition Tooth living  
Edestus Borealotodus Serratolamna   Holocene   Aoso   Hexanchus Neurocrania   Hexanchidae   C. anguineus Shark
Orodus Carcharias Alopias Tokyo Bay Koderayama Squalus Spines & Rostrum Echinorhinidae H. perlo Ray
Petalodus Hispidaspis Trigonotodus Pleistocene Taga Deania Dentitions Squalidae C. atromarginas Chimaera
Ctenacanthus Hypotodus Megachasma Jizodo Sekinohana Dalatias Chlamydoselachus Centrophoridae T. kabeyai
Triodus Jaekelotodus Pseudocorax Ichijyuku Haratajino Squatina Squalus Etomopteridae D. licha
Hybodus Odontaspis Squalicorax Umegase Tokigawa Heterodontus Cookiecutter shark Trigonognathus S. japonica D. denticles
Ptychodus Striatolamia Scyliorhinus   Shinzato   Yatsuo   Carcharias Etmopterus   Somniosidae   M. owstoni
Sphenodus Anomotodon Galeorhinus Omma   Kumano Alopias Trigonognathus Pristiophoridae P. kamoharai Formations
Synechodus Mitsukurina Abdounia Dainichi Ichishi Cetorhinus Heterodontus Squatinidae C. taurus
Hexanchus Isurus Hemipristis Tonohama Oligocene Carcharodon Carcharodon Orectolobiformes O. ferox Photos
Echinorhinus Lamna Negaprion   Pliocene   Ashiya   Isurus Carcharodon II   Heterodontidae   L. ditropis
Squalus Cretodus Rhizoprionon Zukawa Iwaki Parotodus Isurus Mitsukurinidae H. japanica
Isistius Cretalamna Glyphis Nakatsu Eocene Otodus I. planus Alopiidae T. scyllium
Pristiophorus Cretoxyrhina Dainenji Setouchi Galeorhinus Intermediate tooth Lamnidae M. manazo
Squatina Paleocarcharo. Yonabaru Kawamagari Triakis Assemblages Pentanchidae C. melanopterus
Heterodontus Otodus Naarai Cretaceous Galeocerdo Triakidae S. zygaena
Ginglymostoma Parotodus Miocene Ashizawa Negaprion Carcharhinus I Carcharhinidae
Rhincodon Cardabiodon Nishikatsura Carcharhinus Carcharhinus II Carcharhinus
Orectolobus Leptostylax Senhata Misc. Sphyrna Sphyrnidae
J-elasmo
Jan. 14, 2025 Yonabaru Yatsuo  Ryukyu G.
J-elasmo
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Fumio Nakagawa