ツノザメ目
Squaloids
Order Squaliformes Goodrich 1909A
ver. 1.0

Family Echinorhinidae Gill 1862A
Echinorhinus Blainville 1816

Family Squalidae Bonaparte 1834
Centrophoroides Davis 1887C

Subfamily Squalinae Bonaparte 1834
Deania Jordan & Snyder 1902
Megasqualus Herman 1982
Squalus Linnaeus 1758

Subfamily Etmopterinae Fowler 1934
Etmopterus Rafinesque 1810

Subfamily Somniosinae Jordan 1888
Somniosus Le Sueur 1818B

Subfamily Dalatiinae Gray 1851
Dalatias (Scymnorhinus Bonaparte 1846)
Isistius Gill 1864A

Cretaceous

3.9 mm H

Centrophoroides appendiculatus
Maastrichtian
Maastricht, Von Lichtennberg
Netherlands




4.1 mm W

Squalus oryiensis
Upper Cretaceous (Maastrichtian)
Maestucht, New Zealand




5.0 mm H

Echinorhinus sp.
Upper Cretaceous
Lambert Formation Hornby Island

Paleocene

7.3 mm W

Megasqualus orpiensis
58 M, Paleocene
Formation unknown
Templeuve, France

6.1 mm W

Squalus crenatidens
58 M, Paleocene (Thanetian)
Ouled Abdoun Basin
Morocco, North Africa



4.0 mm W

Dalatias sp.
Paleocene (Danian-Thanetian)
Ouled Abdoun Basin
Morocco, North Africa

Eocene

5.3 mm H

Isistius trituratus
52 M, Early Eocene
Nanjemoy Formation (Fisher/Sullivan Site)
Stafford County, Virginia




6.1 mm W

Squalus crenatidens
56 M, Early Eocene (Pamunkey G.)
Nanjemoy Formation, Potapaco Member
Stafford Co., Virginia




2.8 mm W

Squalus smithi
52 M, Eocene
Egem Sands
Egem village, Belgium




4.7 mm W

Echinorhinus pristis
Early Eocene
Mangyshlak, W. Kazakhstan



11.0 mm W

Echinorhinus caspius
40 M, upper Eocene (Bartonian)
Shorin Formation (Tusbair Region)
Mangyshlak, W. Kazakhstan

Oligocene

4.7 mm H

Isistius brasiliensis
Late Oligocene, Hawthorn G.
Seminole Spgs., Lake Co. Florida

Miocene

8 mm W

Squalus occidentalis
Middle Miocene
Temblor Formation
Shark tooth Hill, Backersfield
Kern Co., California

See
Haradajino Formation
原田篠層

Pliocene

11.0 mm H

Sominiosus microcephalis
3 M, Pliocene
Kattendijk Formation
Doel village, Belgium


9.0 mm H, 11.5 mm H

Sominiosus microcephalis
Extant Greenland Sleeper shark
North Sea



7 mm H


11 mm H

Dalatias licha
Naarai Formation,Pliocene
Choshi-shi Chiba Prefecture, Japan




3.3 mm W

Squalus sp.
3 M, Kattendijk Formation
Doel village, Belgium




5.2 mm H

Squalus sp.
Naarai Formation, Pliocene
Choshi-shi Chiba Prefecture, Japan

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