''Biropristis'' is an extinct genus of sclerorhynchoid from the

Late Cretaceous epoch The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...

of the

Cretaceous period The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 77.1 million years, it is the ninth and longest geologi ...

. The genus is named in honor of Dr. Lajos Biró-Bagózcky who studied the formation in which it was found. It is known from a single species, ''B. landbecki''. It is known solely from isolated oral teeth found in the

Maastrichtian The Maastrichtian ( ) is, in the International Commission on Stratigraphy (ICS) geologic timescale, the latest age (geology), age (uppermost stage (stratigraphy), stage) of the Late Cretaceous epoch (geology), Epoch or Upper Cretaceous series (s ...

-aged Quiriquina Formation of central

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. The species is named for Luis Landbeck who found the first fossils at the locality in which it was found.

References

Monotypic prehistoric cartilaginous fish genera Sclerorhynchoidei {{paleo-rajiformes-stub