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Albacetus salvifactus

Osteichthyes - Cetacea

Taxonomy
Albacetus salvifactus was named by Bisconti et al. (2025). Its type specimen is MCEA G1621, a partial skeleton (skull and matrix- made natural casts of tympanic cavity, pterygoid fossa, lateral surface of both right mandibular ramus and crushed left mandibular ramus; part), and it is a 3D body fossil. It is the type species of Albacetus.

Synonymy list
YearName and author
2025Albacetus salvifactus Bisconti et al. p. 10

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
RankNameAuthor
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
Neoceti
suborderMysticeti
Chaeomysticeti()
subfamilyCetotheriidae()
genusAlbacetus
speciessalvifactus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Albacetus salvifactus Bisconti et al. 2025
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Diagnosis
ReferenceDiagnosis
M. Bisconti et al. 2025Unique character combination: Cetotheriid
sensu stricto with triangular and pointed anterior end of
the supraoccipital, ascending processes of the maxillae
meeting along midline for part of their medial border,
double sternomastoid fossa in the lateral surface of the
squamosal, compound posterior process and body of the
periotic aligned in dorsal view, intermediate type tym-
panic bulla (sensu Bisconti & Bosselaers, 2021; see
Osteological comparisons section: Tympanic bulla),
anteriorly concave frontal-parietal suture so that the
frontal border of parietal is interdigitated with the post-
eromedial elements of rostrum.
Differential diagnosis: MCEA G1621 differs from
Herpetocetus morrowi, Piscobalaena nana, Metopocetus
hunteri and Herentalia nigra in having compound pos-
terior process and body of the periotic aligned in dorsal
view; it differs from H. morrowi, H. sendaicus,
Herentalia nigra, Metopocetus hunteri, M. durinasus,
Mixocetus elysius and Tranatocetus argillarius in having
a triangular and pointed anterior end of the supraoccipi-
tal; it differs from Herpetocetus morrowi, H. sendaicus,
Piscobalaena nana, Ciuciulea davidi, Cetotherium rath-
kei and Tranatocetus maregermanicum in having an
anteriorly concave frontal-parietal suture allowing inter-
digitation between frontal border of parietal and postero-
medial elements of the rostrum; it differs from
Brandtocetus chongkulek, Tranatocetus argillarius,
Metopocetus durinasus, and Piscobalaena nana in that
the posterior ends of the ascending process of the max-
illa are not in contact with the frontal-parietal suture; it
differs from Herpetocetus morrowi, Piscobalaena nana,
Cetotherium riabinini in having an intermediate type
tympanic bulla (sensu Bisconti & Bosselaers, 2021).
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marinesubo
Locomotion: actively mobileo
Life habit: aquaticsubo
Depth habitat: surfaceo
Diet: carnivoresubo
Diet 2: suspension feedersubo
Reproduction: viviparouso
Created: 2005-03-06 14:20:41
Modified: 2005-03-06 16:34:40
Source: subo = suborder, o = order
Reference: Uhen 2004
Collections
No collection or age range data are available