Order SQUALIFORMES Goodrich, 1909
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Dalatiidae GRAY 1851
Isistius trituratus
(Winkler, 1874)
 Middle Eocene,
Middle Lutetian,
Lede Sand Formation,
Oosterzele, Belgium

H=5mm
 
Isistius trituratus (Winkler, 1874)
Middle Eocene, Early Lutetian, Brussel Sand Formation, Nederokkerzeel, Belgium

Left specimen: last tooth position of the lower jaw
(Scale bar = 2mm)
 
 

Middle Eocene,
Middle Lutetian,
Lede Sand Formation, Oosterzele, Belgium

H=5mm
 
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HERMAN, J., HOVESTADT-EULER, M. & HOVESTADT, D.C., 2005. Contributions to the odontological study of living Chondrichthyes. 3. The genus Isistius Gill, 1864. Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen, Biologie, 75: 21-33.
 
VAN DEN EECKHAUT, G. & DE SCHUTTER, P., 2009. The Elasmobranch Fauna of the Lede Sand Formation at Oosterzele (Lutetian, Middle Eocene of Belgium). Palaeofocus, 1: 1-57, 2 figures, 2 tables, 22 plates.