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Shark(s) and Ray(s)

class Elasmobranchii Bonaparte, 1838

• Modern species

• Classification
• kingdom Animalia, phylum Chordata
• This group may be classified as subclass Elasmobranchii in class Chondrichthyes.

• Distribution
• Cretaceous: Hokkaido, Iwate, Fukushima, Yamanashi, Osaka, Wakayama
• Eocene: Okayama, Ehime
• Oligocene: Nagano, Saitama, Kagawa
• Miocene: Hokkaido, Akita, Iwate, Miyagi, Yamagata, Fukushima, Niigata, Nagano, Toyama, Ishikawa, Fukui, Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Kanagawa, Shizuoka, Aichi, Gifu, Mie, Kyoto, Okayama, Hiroshima, Shimane, Yamaguchi
• Miocene-Pliocene: Yamagata, Fukushima
• Pliocene: Hokkaido, Aomori, Akita, Miyagi, Niigata, Toyama, Ibaraki, Chiba, Kanagawa, Shizuoka
• Pliocene-Pleistocene: Kanagawa
• Pleistocene: Hokkaido, Yamagata, Niigata, Toyama, Chiba, Kanagawa, Shimane
• Holocene: Aichi
• Investigation in progress: Niigata

• Subtaxa
• Batoidea, superorder, Batoid, Ray
• Carcharhinus, genus
• Carcharias, genus
• Carcharocles megalodon
• Carcharodon, genus
• Cosmopolitodus, genus
• Dalatias, genus
• Galeocerdo, genus
• Hemipristis, genus
• Heterodontus japonicus, Japanese bullhead shark
• Hexanchus, genus
• Isurus, genus, Mako shark
• Lamna, genus
• Negaprion, genus
• Odontaspis, genus
• Otodus angustidens
• Otodus obliquus
• Pristiophoridae, family
• Somniosus, genus
• Sphyrnidae, family, Hammerhead shark
• Squalidae, family, Dogfish shark
• Squatina, Angel shark
• Striatolamia, genus
• Xenachanthus, genus