Sulu Sphenomorphus
Tytthoscincus biparietalis (Taylor, 1918)
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.

geographic distribution of Sphenomorphus biparietalis (IUCN) syn. Tytthoscincus biparietalis (RDB)
compiled by rbrausse with Quantum GIS Map data: Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com. Range data: Diesmos, A. & Rico, E.L. 2009. Sphenomorphus biparietalis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 10 December 2012. · CC BY-SA 3.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Tytthoscincus biparietalis is a species of skink. It is endemic to the Philippines. It has been called the Sulu sphenomorphus as it was originally placed in the genus Sphenomorphus and the type locality is the Sulu Archipelago.
Wikipedia contributors, Tytthoscincus biparietalis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:19:26.304088+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Tytthoscincus biparietalis (Taylor, 1918)
- Name authority
- (Taylor, 1918)
- Common name
- Sulu Sphenomorphus
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Scincidae
- Genus
- Tytthoscincus
- 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
- suborderAutarchoglossa
- familyScincidae
- subfamilySphenomorphinae
- genusTytthoscincus
- speciesTytthoscincus biparietalis (Taylor, 1918)
Close classified relatives
These entries share the source’s genus, Tytthoscincus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Tytthoscincus aesculeticola (Inger, Lian, Lakim & Yambun, 2001) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Zamboanga SphenomorphusTytthoscincus atrigularis (Stejneger, 1908) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Tytthoscincus hallieri (Lidth de Jeude, 1905) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Tytthoscincus parvus (Boulenger, 1897) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Cameron highlands Forest skinkTytthoscincus jaripendek Grismer, Wood, Quah, Anuar, Ngadi, Mohd-Izam & Ahmad, 2017 | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Scaly-eared Diminutive Leaf-Litter Skink.Tytthoscincus leproauricularis Karin, Das & Bauer, 2016 | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Sungai Bubu Forest SkinkTytthoscincus monticolus Grismer, Wood, Ahmad, Baizul-Hafsyam, Afiq-Shuhaimi, Rizal & Quah, 2018 | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Bukit Panchor Forest SkinkTytthoscincus panchorensis Grismer, Muin, Wood, Anuar & Linkem, 2016 | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Sibu Island Forest SkinkTytthoscincus sibuensis (Grismer, 2006) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Singapore swamp skinkTytthoscincus temasekensis Grismer, Wood, Lim & Liang, 2017 | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Temengor Forest SkinkTytthoscincus temengorensis (Grismer, Ahmad & Onn, 2009) | ScincidaeChordata | Accepted speciesExtinction status not supplied |
| Tytthoscincus temmincki (Duméril & Bibron, 1839) | ScincidaeChordata | 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 |
|---|---|
| Sphenomorphus biparietalis Taylor, 1918 Taylor, 1918 | 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=Tytthoscincus&species=biparietalis 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.
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:7DC9D. Classification follows source parent identifiers. English common names may vary by region.