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Bessoecetor septentrionalis

Mammalia - Pantolestidae

Taxonomy
Diacodon septentrionalis was named by Russell (1929). Its type specimen is UALVP 126, a mandible (incomplete left dentary containing m3), and it is not a trace fossil. Its type locality is Cochrane 1, which is in a Ti1 terrestrial horizon in the Paskapoo Formation of Canada.

It was recombined as Propalaeosinopa septentrionalis by Fox (1990); it was recombined as Bessoecetor septentrionalis by Scott et al. (2002), Scott et al. (2013).

Synonyms
Synonymy list
YearName and author
1929Diacodon septentrionalis Russell
1935Palaeosinopa diluculi Simpson
1936Bessoecetor thomsoni Simpson
1937Bessoecetor diluculi Simpson
1967Propalaeosinopa diluculi Van Valen
1980Propalaeosinopa diluculi Rigby, Jr.
1981Propalaeosinopa thomsoni Rose
1982Propalaeosinopa thomsoni Winterfeld
1983Propalaeosinopa diluculi Krause and Gingerich
1986Propalaeosinopa thomsoni Hartman
1990Propalaeosinopa septentrionalis Fox
1995Propalaeosinopa diluculi Cifelli et al.
2002Bessoecetor septentrionalis Scott et al. p. 700
2013Bessoecetor septentrionalis Scott et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
RankNameAuthor
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Eulipotyphla
superfamilyPantolestoidae(Cope 1887)
familyPantolestidaeCope 1884
genusBessoecetor
speciesseptentrionalis(Russell 1929)

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.

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Invalid names: Bessoecetor thomsoni Simpson 1936 [synonym], Palaeosinopa diluculi Simpson 1935 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwater, terrestrialf
Locomotion: actively mobilec
Life habit: amphibiousf
Diet: piscivoref
Diet 2: durophagef
Reproduction: viviparousf
Created: 2005-08-24 13:16:47
Modified: 2005-08-24 15:16:47
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988

Age range: Ti1 or 61.70000 to 56.80000 Ma

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
To263.8 - 60.9Canada (Alberta) Propalaeosinopa septentrionalis (14894)
Torrejonian63.8 - 60.9Canada (Alberta) Bessoecetor septentrionalis (143199 143200)
Torrejonian63.8 - 60.9USA (Wyoming) Propalaeosinopa diluculi (14886 14898 14900 14904)
Torrejonian63.8 - 60.9USA (Montana) Bessoecetor diluculi (14913) Propalaeosinopa diluculi (14906)
Ti161.7 - 56.8Canada (Alberta) Propalaeosinopa septentrionalis (type locality: 14938 14939)
Ti361.7 - 56.8Canada (Alberta) Bessoecetor septentrionalis (14928) Propalaeosinopa septentrionalis (14992)
Tiffanian61.7 - 56.8Canada (Alberta) Propalaeosinopa diluculi (14973) Propalaeosinopa septentrionalis (14933 14954 14959)
Tiffanian61.7 - 56.8USA (California) Bessoecetor septentrionalis (224203)
Tiffanian61.7 - 56.8USA (Wyoming) Propalaeosinopa diluculi (14936 14952 14987 15014 15017) Propalaeosinopa thomsoni (15034)
Tiffanian61.7 - 56.8USA (North Dakota) Propalaeosinopa diluculi (15006)
Tiffanian61.7 - 56.8USA (Montana) Propalaeosinopa diluculi (15025 15064)
Late/Upper Paleocene58.7 - 55.8USA (Wyoming) Bessoecetor septentrionalis (15018)