Elasmobranchii (world)

Assemblage (Japan)

Summary (Japan)

Dentition

Tooth

Edestus

Orectolobus

Paleocarcharo.

Scyliorhinidae

Holocene

Koderayama

Hexanchus

Neurocrania

Hexanchidae

H. japanica

Orodus

Odontaspididae

Otodontidae

Scyliorhinus

Tokyo Bay

Taga

Squalus

Dermal denticles

Echinorhinidae

Petalodus

Brachycarcharias

Carcharocles

Triakidae

Pleistocene

Sekinohana

Deania

Spines & Rostrum

Squalidae

Ctenacanthus

Carcharias

Otodus

Galeorhinus

Jizodo

Haratajino

Dalatias

Histology

Centrophoridae

Triodus

Hispidaspis

Parotodus

Abdonias

Ichijyuku

Tokigawa

Squatina

Dentitions

Etomopteridae

Hybodus

Hypotodus

Cardabiodontidae

Hemigaleidae

Shinzato

Kumano

Heterodontus

Chlamydoselachus

Trigonognathus

Ptychodus

Jaekelotodus

Cardabiodon

Hemipristis

Omma

Ichishi

Carcharias

Squalus

Somniosidae

Sphenodus

Odontaspis

Eoptolamnidae

Carcharhinidae

Dainichi

Oligocene

Alopias

Cookiecutter shark

Pristiophoridae

Synechodus

Striatolamia

Leptostylax

Negaprion

Tonohama

Ashiya

Cetorhinus

Etmopterus

Squatinidae

Hexanchus

Mitsukulinidae

Serratolamnidae

Rhizoprionon

Pliocene

Iwaki

Carcharodon

Trigonognathus

Orectolobiformes

Echinorhinus

Anomotodon

Serratolamna

Glyphis

Zukawa

I. oxyrinchus

Heterodontus

Heterodontidae

Squalus

Mitsukurina

Alopiidae

Nakatsu

Eocene

Parotodus

Carcharodon

Mitsukurinidae

Isistius

Lamnidae

Alopias

Dainenji

Setouchi

Otodus

Carcharodon II

Alopiidae

Pristiopholus

Isurus

Trigonotodus

Yonabaru

Kawamagari

Galeorhinus

Isurus

Lamnidae

living & fossil

Squatina

Lamna

Megacasmidae

Naarai

Cretaceous

Triakis

I. planus

Pentanchidae

Shark

Heterodontus

Cretoxyrhinidae

Megachasma

Miocene

Ashizawa

Galeocerdo

Intermediate tooth

Triakidae

Ray

Orectolobiformes

Cretodus

Anacoracidae

Nishikatsura

Misc.

Negaprion

Assemblages

Carcharhinidae

Chimaera

Ginglymostoma

Cretolamna

Pseudocorax

Senhata

Carcharhinus

Carcharhinus I

Carcharhinus

Rhincodon

Cretoxyrhina

Squalicorax

Aoso

Formations

Sphyrna

Carcharhinus II

Sphyrnidae

Photos

Nov. 04, 2024

H. japanica (costule)

Dalatias (Size)

Squalus (Size)

J-elasmo

fwkx8282@nifty.com

Fumio Nakagawa