NATURAL HISTORY · CATALOGUE RECORD
Diadem Snake
Spalerosophis diadema (Schlegel, 1837)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
Spalerosophis diadema, known commonly as the blotched diadem snake and the blotched royal snake, is a species of large snake in the subfamily Colubrinae of the family Colubridae. The species is endemic to Asia and northern Africa.
Wikipedia contributors, Spalerosophis diadema; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T02:55:58.180444+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Spalerosophis diadema (Schlegel, 1837)
- Name authority
- (Schlegel, 1837)
- Common name
- Diadem Snake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Spalerosophis
- Extinction status
- Not supplied by this source
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderSerpentes Linnaeus, 1758
- infraorderAlethinophidia Nopcsa, 1923
- familyColubridae
- subfamilyColubrinae
- genusSpalerosophis
- speciesSpalerosophis diadema (Schlegel, 1837)
Close classified relatives
These entries share the source’s genus, Spalerosophis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Diadem SnakeSpalerosophis atriceps (Fischer, 1885) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Werner's Diadem SnakeSpalerosophis dolichospilus (Werner, 1923) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Scortecci's Diadem SnakeSpalerosophis josephscorteccii Lanza, 1964 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Red spotted royal snakeSpalerosophis arenarius (Boulenger, 1890) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Jan’s diadem snakeSpalerosophis microlepis Jan, 1865 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Zamenis cliffordii Günther, 1858 Günther, 1858 | synonym |
| Coluber cliffordi Schlegel, 1837 Schlegel, 1837 | synonym |
| Coluber cliffordii Schlegel, 1837 Schlegel, 1837 | synonym |
| Coluber diadema Schlegel, 1837 Schlegel, 1837 | ambiguous synonym |
| Coluber cahirinus Gmelin, 1789 Gmelin, 1789 | synonym |
| Coluber geoffroyii Gray, 1831 Gray, 1831 | synonym |
| Periops parallelus Duméril, Bibron & Duméril, 1854 Duméril, Bibron & Duméril, 1854 | synonym |
| Periops parallellus var. schiraziana Jan ex Filippi, 1865 Jan ex Filippi, 1865 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://reptile-database.reptarium.cz/species?genus=Spalerosophis&species=diadema Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:4YDZK. Classification follows source parent identifiers. English common names may vary by region.