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Planopusa semenovi

Mammalia - Carnivora - Phocidae

Taxonomy
Planopusa semenovi was named by Koretsky and Rahmat (2021). Its type specimen is NMNHU-P 64-709, a partial skull (rostral part of the skull with I3, C, P1, P2, and isolated P4 and M1; P3 is absent), and it is a 3D body fossil. Its type locality is Grytsiv (aka Gritsev), which is in a Miocene/Miocene karst limestone in Ukraine. It is the type species of Plantopusa.

Synonymy list
YearName and author
2021Planopusa semenovi Koretsky and Rahmat p. 145
2024Planopusa semenovi Rule and Park p. 10 figs. Table 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
RankNameAuthor
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
infraorderCanoidea(Simpson 1931)
superfamilyArctoideaFlower 1869
—PanpinnipediaWolsan et al. 2020
—Pinnipedimorpha
—Pinnipedia()
familyPhocidae()
subfamilyPhocinae
tribePhocini
subtribePhocina()
genusPlanopusa
speciessemenovi

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.

†Planopusa semenovi Koretsky and Rahmat 2021
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Diagnosis
ReferenceDiagnosis
I. A. Koretsky and S. J. Rahmat 2021Small seal with extremely short rostrum (table 1), differing from all other fossil and extant phocines by: 1) flattened palatal process of maxilla; 2) P4 longer than M1; 3) alveoli form a straight line; 4) wider rostrum across canines compared to other small Phocinae (but narrower than in Monachopsis pontica).
Measurements
No measurements are available
Composition: hydroxyapatiteuc
Ontogeny: modification of partsuc
Environment: marineuc
Locomotion: actively mobilep
Life habit: amphibiousuc
Diet: piscivoref
Diet 2: carnivoref
Reproduction: viviparousuc
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, p = phylum, uc = unranked clade
References: Nowak 1991, Gingerich 2003, Kiessling 2004, Carreño and Cronin 1993

Age range: base of the Middle Miocene to the top of the Late/Upper Miocene or 15.98000 to 5.33300 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Miocene - Late/Upper Miocene15.98 - 5.333Ukraine (Chmelnitsky) Planopusa semenovi (type locality: 208611)