Ancylocranium

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Cladus: Unidentata Episquamata

Subordo: Lacertoidea
Infraordo: Lacertibaenia
Cladus: Amphisbaenia

Familia: Amphisbaenidae
Genus: Ancylocranium
Species:A. barkeri - A. ionidesi - A. somalicum
Name

Ancylocranium H. Parker, 1942
Vernacular names
English: Sharp-snouted Worm Lizards

Ancylocranium is a genus of amphisbaenians in the family Amphisbaenidae, commonly known as sharp-snouted worm lizards. Three species are placed in this genus, which is endemic to eastern Africa and the Horn of Africa.
Species

The following species are recognized as being valid.[1]

Ancylocranium barkeri Loveridge, 1946 - Lindi sharp-snouted worm lizard
Ancylocranium ionidesi Loveridge, 1955 - Kilwa sharp-snouted worm lizard
Ancylocranium somalicum (Scortecci, 1930) - Somali sharp-snouted worm lizard

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Ancylocranium.
References

"Ancylocranium ". The Reptile Database. www,reptile-database.org.

Further reading
Wikispecies has information related to Ancylocranium.

Gans C (2005). "Checklist and Bibliography of the Amphisbaenia of the World". Bull. American Mus. Nat. Hist. (289): 1-130.
Loveridge A (1946). "A new worm-lizard (Ancylocranium barkeri ) from Tanganyika Territory". Proc. Biol. Soc. Washington 59: 73-76, Plate VIII.
Loveridge A (1955). "On a second collection of reptiles and amphibians taken in Tanganyika Territory by C. J. P. Ionides". J. East African Nat. Hist. 22: 168-198. (Anclocranium ionidesi, new species, pp. 169, 177-179).
Parker HW (1942). "The Lizards of British Somaliland". Bull. Mus. Comp. Zool., Harvard Coll. 91 (1): 1-101. (Ancylocranium, new genus, p. 57).
Scortecci G (1930). "Contributo alla conoscenza dei rettili e degli anfibi della Somalia, dell'Eritrea e dell'Abissinia ". Bollettino dei Musei di Zoologia ed Anatomia comparata della R. Università di Torino [Third Series] 41 (10): 1-26. (Anops somalicus, new species). (in Italian).