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Ceratodus frazieri

Dipnoi - Ceratodontidae

Taxonomy
Ceratodus frazieri was named by Ostrom (1970). Its type specimen is YPM 5276.

Sister species lacking formal opinion data
C. sharategensis, C. zigongensis

Synonyms
  • Polyporites browni was named by Wieland (1934). Its type specimen is AMNH 8661.

    It was recombined as Ceratodus browni by Brown (1938); it was considered a nomen dubium by Ostrom (1970); it was synonymized subjectively with Ceratodus frazieri by Kirkland (1987).
Synonymy list
YearName and author
1934Polyporites browni Wieland
1938Ceratodus browni Brown
1970Ceratodus frazieri Ostrom
1987Ceratodus frazieri Kirkland p. 10
2004Ceratodus frazieri Schultze p. 489

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
—Osteichthyes()
subclassSarcopterygii()
orderDipnoi(Müller 1884)
familyCeratodontidaeGill 1872
genusCeratodus
speciesfrazieriOstrom 1970

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.

†Ceratodus frazieri Ostrom 1970
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Invalid names: Polyporites browni Wieland 1934 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Created: 2009-07-20 21:50:54
Modified: 2009-07-20 23:50:54
Source: c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Tithonian to the top of the Early/Lower Maastrichtian or 152.10000 to 66.00000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Tithonian152.1 - 145.0USA (Oklahoma) Ceratodus frazieri (49598)
Aptian125.0 - 113.0USA (Montana) Ceratodus frazieri (137609)
Aptian - Early/Lower Albian125.0 - 109.0USA (Wyoming) Ceratodus frazieri (50354)
Aptian - Albian125.0 - 100.5USA (Wyoming) Ceratodus frazieri (137567 137577)
Middle Albian - Early/Lower Cenomanian109.0 - 93.5USA (Montana) Ceratodus frazieri (23502)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) Ceratodus frazieri (167772)