Dzhulfitidae
Encyclopedia
Dzhulfitidae is a small extinct family of Upper Permian
Permian
The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...

 and Lower Triassic
Triassic
The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...

 ammonoids from Asia, included in the ceratitid Xenodiscaceae
Xenodiscaceae
The Xenodiscaceae is a superfamily within the ammonoid order Ceratitida. The Xenodiscaceae, named by Frech in 1902, presently contains ten families, only one of which was included in the original Otocerataceae of Hyatt, 1900, the remaining having been added.The Xenodiscaceae has its origin in the...

 and containing only three genera: Abachites, Dzhulfites, and Paratirolites.

Dzhulfitidae was named by Shevyrev in 1965 to contain Dzhulfites and Abachites also named by him at that time. Paratirolites was removed from its previous position in the Ceratitaceae
Ceratitaceae
The Ceratitaceae is a superfamily in the ammonoid cephalopod order Ceratitida characterised in general by highly ornamented or tuberculate shells with ceratitic sutures that may become goniatitic or ammonitic s some offshoots....

.

Species of dzhulfitid genera have been found in Upper Permian and/or Lower Triassic sediments in Armenia, Azerbaijan, Iran, Afghanistan, Thailand, and Japan.
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