Dalpiazia

Dalpiazia; Temporal range: Late Cretaceous, Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
	The holotype of D. stromeri from Libya
	Dalpiazia stromeri tooth from Morocco
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Order:	Sclerorhynchiformes
Family:	Sclerorhynchidae
Genus:	†Dalpiazia; Checchia-Rispoli, 1933
Binomial name
	†Dalpiazia stromeri; Checchia-Rispoli, 1933
Synonyms
	Dalpiazia maroccana; Ischyrhiza maroccana; Ischyrhiza stromeri Arambourg, 1935; Onchosaurus manzadinensis Darteville & Casier, 1943; Onchosaurus maroccana; Onchosaurus stromeri (Arambourg, 1935);

Dalpiazia is an extinct genus of sclerorhynchid sawfish whose fossils are found in rocks dating from the Maastrichtian stage in mines in Jordan, Libya, Morocco and Syria.^[1] The type species D. stromeri was named by Checchia-Rispoli (1933) in honor of Ernst Stromer,^[2] and the holotype, a rostral tooth, was found in Tripolitania, Libya.

The validity of Dalpiazia has been questioned on the basis of its similarities to Ischyrhiza, a subgenus of Onchosaurus.^[3]

References

^ Wueringer, B.E.; L. Squire Jr.; S.P. Collin (2009). "The biology of extinct and extant sawfish (Batoidea: Sclerorhynchidae and Pristidae)". Rev Fish Biol Fisheries. 19 (4): 445–464. doi:10.1007/s11160-009-9112-7.
^ 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 Naturali4(1):1-6
^ C. Arambourg. (1940). Le groupe des Ganopristinés [The group of the ganopristines]. Bulletin de la Société Géologique de France, série 5 10:127-147