Acrodenta is an extinct genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of Late Permian captorinid

Captorhinidae

Captorhinidae is one of the earliest and most basal reptile families.-Description:...

 known from Marrakech-Tensift-Al Haouz of Morocco

Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

.

Description

Acrodenta is known from the holotype

Holotype

A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...

 MNHN ARG 506, formerly 69.Ir.1.JMD, a fragment of right maxilla

Maxilla

The maxilla is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible , which is also a fusion of two halves at the mental symphysis. Sometimes The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper...

. It was collected in the Douar of Irerhi locality from the Argana Formation

Argana Formation

The Argana Formation is a geological formation in Africa. It dates back to the Late Triassic.-Vertebrate fauna:Ornithischian tracks geographically located in the Province de Marrakech. Indeterminate theropod remains and tracks geographically located in the Province de Marrakech....

 (formerly known as the Tourbihine Member of the Ikakern Formation) of the Argana Basin, dating to the early-middle Wuchiapingian

Wuchiapingian

In the geologic timescale, the Wuchiapingian or Wujiapingian is an age or stage of the Permian. It is also the lower or earlier of two subdivisions of the Lopingian epoch or series. The Wuchiapingian spans the time between 260.4 ± 0.7 and 253.8 ± 0.7 million years ago...

 stage (or alternatvely middle Tatarian stage) of the early Lopingian Series

Series (stratigraphy)

Series are subdivisions of rock layers made based on the age of the rock and corresponding to the dating system unit called an epoch, both being formally defined international conventions of the geological timescale. A series is therefore a sequence of rock depositions defining a...

, about 260.5-255 million years ago.

Etymology

Acrodenta was first named by Jean-Michel Dutuit in 1976

1976 in paleontology

-Dinosaurs:Data courtesy of George Olshevsky's dinosaur genera list and Dr. Jeremy Montague's dinosaur genus database.-Newly named dinosaurs:-New taxa:-Non-mammalian:...

 and the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 is Acrodenta irerhi. The generic name is derived from the Greek

Ancient Greek

Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...

 acra and denta, meaning is "high teeth". The specific name is named after its finding place Douar of Irerhi.