''Reiszorhinus'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

Early Permian 01 or '01 may refer to: * The year 2001, or any year ending with 01 * The month of January * 1 (number) Music * 01'' (Richard Müller album), 2001 * ''01'' (Son of Dave album), 2000 * ''01'' (Urban Zakapa album), 2011 * ''O1'' (Hiroyuki Sawano ...

captorhinid Captorhinidae (also known as cotylosaurs) is an extinct family of tetrapods, traditionally considered primitive reptiles, known from the late Carboniferous to the Late Permian. They had a cosmopolitan distribution across Pangea. Description Ca ...

known from the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

. The

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

is ''Reiszorhinus olsoni''. Fossils have been found from the

Waggoner Ranch Formation The Waggoner Ranch Formation is a geologic formation in northern Texas. It preserves fossils dating back to the Artinskian to Kungurian stages of the Permian period.Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

. It is distinguishable by its recurved teeth and extremely large

Meckelian foramen The Meckelian groove (or Meckel's groove, Meckelian fossa, or Meckelian foramen, or Meckelian canal) is an opening in the medial (inner) surface of the mandible (lower jaw) which exposes the Meckelian cartilage.Labidosaurus hamatus ''Labidosaurus'' (from el, λᾰβῐ́δος , 'forceps' and el, σαῦρος , 'lizard') is an extinct genus of reptile from the Permian period of North America. Fossils have been discovered in Texas. It was heavily built, resembling a liz ...

''. ''Reiszorhinus'' is one of the most basal captorhinids, along with the genera ''

Romeria Christianity has a strong tradition of pilgrimages, both to sites relevant to the New Testament narrative (especially in the Holy Land) and to sites associated with later saints or miracles. History Christian pilgrimages were first made to sit ...

'', ''

Concordia Concordia may refer to: * Concordia (mythology), the Roman goddess who embodies agreement in marriage and society Businesses and organizations Educational institutions * Concordia University (disambiguation), for Concordia University, Concor ...

'', and ''

Protocaptorhinus ''Protocaptorhinus'' is an extinct genus of Early Permian (Cisuralian epoch) captorhinid reptile known from Texas of the United States. It is known from the holotype MCZ 1478, a three-dimensionally preserved partial skull. It was collected ...

''.

References

Fossils of the United States Permian reptiles of North America Fossil taxa described in 2010 Captorhinids Prehistoric reptile genera {{permian-reptile-stub