NATURAL HISTORY · CATALOGUE RECORD
White-bellied Moss-mouse
Pseudohydromys sandrae Helgen & L. Helgen, 2009
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
The white-bellied moss mouse (Pseudohydromys sandrae) is a species of mouse endemic to Papua New Guinea. It was first described in 2009. The type specimen was an adult male found between 800 and 850 m, in Southern Highlands Province of Papua New Guinea.
Wikipedia contributors, White-bellied moss mouse; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:59:51.952501+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Pseudohydromys sandrae Helgen & L. Helgen, 2009
- Name authority
- Helgen & L. Helgen, 2009
- Common name
- White-bellied Moss-mouse
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Muridae
- Genus
- Pseudohydromys
- Extinction status
- Recorded extant
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
- classMammalia Linnaeus, 1758
- subclassTheria Parker & Haswell, 1897
- infraclassEutheria Gill, 1872
- orderRodentia Bowdich, 1821
- suborderMyomorpha Brandt, 1855
- superfamilyMuroidea Illiger, 1811
- familyMuridae Illiger, 1811
- subfamilyMurinae Illiger, 1811
- genusPseudohydromys Rümmler, 1934
- speciesPseudohydromys sandrae Helgen & L. Helgen, 2009
Close classified relatives
These entries share the source’s genus, Pseudohydromys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Bishop Moss-mousePseudohydromys berniceae Helgen & L. Helgen, 2009 | MuridaeChordata | Accepted speciesRecorded extant |
| Huon Small-toothed Moss-mousePseudohydromys carlae Helgen & L. Helgen, 2009 | MuridaeChordata | Accepted speciesRecorded extant |
| Mottled-tailed Shrew MousePseudohydromys fuscus (Laurie, 1952) | MuridaeChordata | Accepted speciesRecorded extant |
| Western New Guinea Shrew MousePseudohydromys occidentalis Tate, 1951 | MuridaeChordata | Accepted speciesRecorded extant |
| Shaw Mayer's Shrew MousePseudohydromys ellermani (Laurie & Hill, 1954) | MuridaeChordata | Accepted speciesRecorded extant |
| Pseudohydromys germani (Helgen, 2005) | MuridaeChordata | Accepted speciesRecorded extant |
| Eastern New Guinea Shrew MousePseudohydromys murinus Rümmler, 1934 | MuridaeChordata | Accepted speciesRecorded extant |
| Torricelli Mountains Shrew MousePseudohydromys musseri (Flannery, 1989) | MuridaeChordata | Accepted speciesRecorded extant |
| Woolley's Moss-mousePseudohydromys patriciae Helgen & L. Helgen, 2009 | MuridaeChordata | Accepted speciesRecorded extant |
| Southern Small-toothed Moss-mousePseudohydromys pumehanae Helgen & L. Helgen, 2009 | MuridaeChordata | Accepted speciesRecorded extant |
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.
- Helgen, Kristofer M., and Lauren E. Helgen / Voss, Robert S., and Michael D. Carleton, eds. (2009). Chapter 8. Biodiversity and Biogeography of the Moss-mice of New Guinea: A Taxonomic Revision of Pseudohydromys (Muridae: Murinae). Bulletin of the American Museum of Natural History, No. 331. Systematic Mammalogy: Contributions in Honor of Guy G. Musser. 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:4NYD5. Classification follows source parent identifiers. English common names may vary by region.