Fumio Nakagawa
April 21, 2000-
Elasmobranchii (world) Assemblage (Japan) Summary (Japan) Dentition Tooth
Edestus   Orectolobus   Paleocarcharo.   Scyliorhinidae   Holocene   Aoso   Hexanchus Neurocrania   Hexanchidae   C. anguineus
Orodus Odontaspididae Otodontidae   Scyliorhinus Tokyo Bay Koderayama Squalus Spines & Rostrum Echinorhinidae H. perlo
Petalodus Brachycarcharias Carcharocles   Triakidae Pleistocene Taga Deania Dentitions Squalidae T. kabeyai
Ctenacanthus Carcharias Otodus   Galeorhinus Jizodo Sekinohana Dalatias Chlamydoselachus Centrophoridae M. owstoni
Triodus Hispidaspis Parotodus   Abdonias Ichijyuku Haratajino Squatina Squalus Etomopteridae C. taurus
Hybodus Hypotodus Cardabiodontidae   Hemigaleidae Umegase Tokigawa Heterodontus Cookiecutter shark Trigonognathus O. ferox
Ptychodus   Jaekelotodus   Cardabiodon   Hemipristis   Shinzato   Kumano   Carcharias Etmopterus   Somniosidae   H. japanica
Sphenodus   Odontaspis   Eoptolamnidae   Carcharhinidae Omma   Ichishi Alopias Trigonognathus Pristiophoridae T. scyllium
Synechodus Striatolamia Leptostylax   Negaprion Dainichi Oligocene Cetorhinus Heterodontus Squatinidae M. manazo
Hexanchus Mitsukulinidae Serratolamnidae   Rhizoprionon Tonohama Ashiya Carcharodon Carcharodon Orectolobiformes
Echinorhinus   Anomotodon   Serratolamna   Glyphis   Pliocene   Iwaki   I. oxyrinchus Carcharodon II   Heterodontidae   Dermal denticles
Squalus Mitsukurina Alopiidae   Zukawa Eocene Parotodus Isurus Mitsukurinidae Histology
Isistius Lamnidae Alopias   Nakatsu Setouchi Otodus I. planus Alopiidae
Pristiopholus Isurus Trigonotodus     Dainenji Kawamagari Galeorhinus Intermediate tooth Lamnidae living & fossil
Squatina Lamna Megacasmidae   Yonabaru Cretaceous Triakis Assemblages Pentanchidae Shark
Heterodontus Cretoxyrhinidae Megachasma     Naarai Ashizawa Galeocerdo Triakidae Ray
Orectolobiformes Cretodus Anacoracidae     Miocene Misc. Negaprion Carcharhinus I Carcharhinidae Chimaera
Ginglymostoma Cretolamna Pseudocorax     Nishikatsura Carcharhinus Carcharhinus II Carcharhinus
Rhincodon Cretoxyrhina Squalicorax     Senhata Formations Sphyrna Sphyrnidae Photos
J-elasmo
Dec. 17, 2024 Umegase Dermal denticles  Dalatias (Size)
J-elasmo
fwkx8282@nifty.com
Fumio Nakagawa