''Dalpiazia'' is an extinct genus of sclerorhynchoid fish whose fossils are found in rocks dating from 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 ...

stage in mines in

Jordan Jordan, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...

Libya Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–L ...

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

and

Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...

. The type species ''D. stromeri'' was named by Checchia-Rispoli (1933) in honor of

Ernst Stromer Ernst Freiherr Stromer von Reichenbach (born on 12th of June, 1871 in Nürnberg, died on 18th of December, 1952 in Erlangen) was a German paleontologist best remembered for his expedition to Egypt, during which the discovery of the first kno ...

,G. Checchia-Rispoli. (1933). Di un nuovo genere di "Pristidae" del Cretaceo superiore della Triplitania. ''Reale Accademia d'Italia Memoire della Classe di Scienze Fisiche, Matematiche e Naturali''4(1):1-6 and the holotype, a rostral tooth, was found in

Tripolitania Tripolitania (), historically known as the Tripoli region, is a historic region and former province of Libya. The region had been settled since antiquity, first coming to prominence as part of the Carthaginian empire. Following the defeat ...

. The validity of ''Dalpiazia'' has been questioned on the basis of its similarities to ''

Ischyrhiza ''Ischyrhiza'' is an extinct genus of sclerorhynchoid ray from the Late Cretaceous (Cenomanian-Maastrichtian). It had a large, toothed rostrum closely resembling that of a modern-day sawfish. Despite formerly being classified within a family ...

'', a

subgenus In biology, a subgenus ( subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the ge ...

of ''

Onchosaurus ''Onchosaurus'' is an extinct genus of sclerorhynchoid fish from the Late Cretaceous 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 strat ...

''.C. Arambourg. (1940). Le groupe des Ganopristinés he group of the ganopristines ''Bulletin de la Société Géologique de France'', série 5 10:127-147

References

Monotypic prehistoric cartilaginous fish genera Sclerorhynchoidei Cretaceous cartilaginous fish Prehistoric fish of Africa Fossil taxa described in 1933 {{Cretaceous-fish-stub

See also

References