Black Dolphin
Cephalorhynchus eutropia (Gray, 1846)
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.

Chilean Dolphin (Cephalorhynchus eutropia) in Chile
Sebastián Saiter V. · CC BY 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The Chilean dolphin (Cephalorhynchus eutropia), also known as the Black dolphin, is one of six dolphins in the genus Cephalorhynchus. The dolphin is found only off the coast of Chile; it is commonly referred to in the country as tonina.
Wikipedia contributors, Chilean dolphin; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T03:01:11.541115+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Cephalorhynchus eutropia (Gray, 1846)
- Name authority
- (Gray, 1846)
- Common name
- Black Dolphin
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Cetacea
- Family
- Delphinidae
- Genus
- Cephalorhynchus
- 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
- orderCetacea Brisson, 1762
- suborderOdontoceti Flower, 1867
- familyDelphinidae Gray, 1821
- genusCephalorhynchus Gray, 1846
- speciesCephalorhynchus eutropia (Gray, 1846)
Close classified relatives
These entries share the source’s genus, Cephalorhynchus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Commerson's DolphinCephalorhynchus commersonii (Lacépède, 1804) | DelphinidaeChordata | Accepted speciesRecorded extant |
| Hector's DolphinCephalorhynchus hectori (P.-J. van Bénéden, 1881) | DelphinidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Phocaena obtusata Philippi, 1893 Philippi, 1893 | synonym |
| Phocaena albiventris Perez Canto in Philippi, 1893 Perez Canto in Philippi, 1893 | synonym |
| Cephalorhynchus albiventris (Perez Canto in Philippi, 1893) (Perez Canto in Philippi, 1893) | synonym |
| Cephalorhynchus obtusata (Philippi, 1893) (Philippi, 1893) | synonym |
| Delphinus eutropia Gray, 1846 Gray, 1846 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Western Atlantic Ocean
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://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=180450 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:5XJ6N. Classification follows source parent identifiers. English common names may vary by region.