Trogonophidae, is a small family of amphisbaenians, containing five species in four genera

Genera

Genera is a commercial operating system and development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the MIT AI Lab's Lisp machines which Symbolics had used in common with LMI and Texas Instruments...

. Trogonophids are found in North Africa

North Africa

North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

, the Horn of Africa

Horn of Africa

The Horn of Africa is a peninsula in East Africa that juts hundreds of kilometers into the Arabian Sea and lies along the southern side of the Gulf of Aden. It is the easternmost projection of the African continent...

, the Arabian Peninsula

Arabian Peninsula

The Arabian Peninsula is a land mass situated north-east of Africa. Also known as Arabia or the Arabian subcontinent, it is the world's largest peninsula and covers 3,237,500 km2...

, and western Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

. They are limbless, carnivorous, lizard-like reptiles highly modified for burrowing. They construct their tunnels with an oscillating motion that forces soil into the walls. Unlike other amphisbaenians, their teeth are fused to their jaws, rather than lying in a groove.

Genera

• Agamodon
  Agamodon
  Agamodon is a small genus of worm lizards in the Trogonophidae family.It contains the following two species:*Agamodon anguliceps*Agamodon arabicus...
  
  - Peters, 1882 (2 species)
• Diplometopon
  Diplometopon
  Diplometopon zarudnyi, also called Zarudny's worm lizard, is a species of amphisbaenian reptile in the Trogonophidae family. It is monotypic within the genus Diplometopon. This species is found on the Arabian peninsula....
  
  Nikolskii, 1907 (monotypic
  Monotypic
  In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...
  
  )
• Pachycalamus
  Pachycalamus
  The short worm lizard is a species of reptile in the Trogonophidae family. It is monotypic within the genus Pachycalamus. It is found on the island of Socotra.-External links:* * -Further reading:...
  
  Günther, 1881 (monotypic)
• Trogonophis Kaup, 1830 (monotypic)