Moojen's Atlantic Spiny-rat

Open encyclopedia reference

Moojen's Atlantic spiny-rat, (Trinomys moojeni) is a spiny rat species from South America. It is found in Brazil. It is named after twentieth-century Brazilian zoologist João Moojen.

It is a small caviomorph rodent locally known as "Rabo-de-facho" (Portuguese) due to its retiform hairs and long penciled tail. The maximum head and body length of this species is 177mm.

These species is threatened by habitat loss and restricted geographical distribution. These rodents have a nocturnal habits, using hollow logs, and holes in the ground as shelters during the day. Their diet consists of seeds, fruits, fungi, leaves, and insects.

Wikipedia contributors, Moojen's Atlantic spiny rat; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:45:57.899069+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name

Trinomys moojeni (Pessôa, Oliveira & Reis, 1992)

Name authority

(Pessôa, Oliveira & Reis, 1992)

Common name

Moojen's Atlantic Spiny-rat

Rank

species

Accepted status

accepted

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Echimyidae

Genus

Trinomys

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.

1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
2. kingdomAnimalia
3. phylumChordata
4. subphylumVertebrata
5. infraphylumGnathostomata
6. parvphylumOsteichthyes
7. megaclassTetrapoda
8. classMammalia Linnaeus, 1758
9. subclassTheria Parker & Haswell, 1897
10. infraclassEutheria Gill, 1872
11. orderRodentia Bowdich, 1821
12. suborderHystricomorpha Brandt, 1855
13. infraorderHystricognathi Brandt, 1855
14. familyEchimyidae Gray, 1825
15. subfamilyEuryzygomatomyinae Fabre, Upham, Emmons, Justy, Leite, Loss, Orlando, Tilak, Patterson & Douzery, 2016
16. genusTrinomys Thomas, 1921
17. speciesTrinomys moojeni (Pessôa, Oliveira & Reis, 1992)

Close classified relatives

These entries share the source’s genus, Trinomys. They are not necessarily the closest relatives established by molecular evidence.

Browse 94 records assigned to Echimyidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

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.

1. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=825380 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:58VMG. Classification follows source parent identifiers. English common names may vary by region.