NATURAL HISTORY · CATALOGUE RECORD
Smooth Softshelled Turtle
Apalone mutica (Lesueur, 1827)
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 smooth softshell turtle (Apalone mutica) is a species of North American softshell turtle in the family Trionychidae. This freshwater species is endemic to the United States, where it inhabits the Mississippi River system, along with other adjoining waterways that empty into the Gulf of Mexico.
Wikipedia contributors, Smooth softshell turtle; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:26:18.823235+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Apalone mutica (Lesueur, 1827)
- Name authority
- (Lesueur, 1827)
- Common name
- Smooth Softshelled Turtle
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Testudines
- Family
- Trionychidae
- Genus
- Apalone
- 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
- orderTestudines Batsch, 1788
- suborderCryptodira
- superfamilyTrionychoidea
- familyTrionychidae
- genusApalone
- speciesApalone mutica (Lesueur, 1827)
Close classified relatives
These entries share the source’s genus, Apalone. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Florida Softshell TurtleApalone ferox (Schneider, 1783) | TrionychidaeChordata | Accepted speciesExtinction status not supplied |
| Apalone spinifera (Lesueur, 1827) | TrionychidaeChordata | 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 |
|---|---|
| Potamochelys microcephalus Gray, 1864 Gray, 1864 | synonym |
| Trionyx muticus calvatus Webb, 1959 Webb, 1959 | synonym |
| Trionyx muticus Lesueur, 1827 Lesueur, 1827 | 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=Apalone&species=mutica 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:F6QQ. Classification follows source parent identifiers. English common names may vary by region.