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Ptyctodontidae

Placodermi - Ptyctodontida - Ptyctodontidae

Synonymy list
YearName and author
1891Ptyctodontidae Woodward
1902Ptyctodontidae Hay p. 322
1932Ptyctodontidae Bryant p. 232
1963Ptyctodontidae Jordan p. 605
1975Ptyctodontidae Denison p. 23
1978Ptyctodontidae Denison
1985Ptyctodontidae Denison p. 512

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
Placodermiomorphi
classPlacodermiM'Coy 1848
orderPtyctodontidaGross 1932
familyPtyctodontidaeWoodward 1891
familyPtyctodontidaeWoodward 1891

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.

Fm. †Ptyctodontidae Woodward 1891
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G. †Acmoniodus Hussakof and Bryant 1920
G. †Bulbocanthus Bryant 1932
+
Bulbocanthus rugosus Bryant 1932
G. †Chelyophorus Agassiz 1845
+
Chelyophorus pskovensis Obruchev 1947
Chelyophorus verneuili Agassiz 1844
G. †Ctenurella Ørvig 1960
+
Ctenurella gardineri Miles and Young 1977
Ctenurella gladbachensis Ørvig 1960
G. †Desmoporella Orvig 1971
+
Desmoporella minor Gross 1933
G. †Eczematolepis Miller 1892
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Eczematolepis fragilis Newberry 1857
Eczematolepis pustulosus Newberry 1875
Eczematolepis telleri Eastman 1898
Invalid names: Acantholepis Newberry 1875 [replaced]
G. †Goniosteus Gross 1933
+
G. †Palaeomylus Woodward 1891
+
Palaeomylus crassus Newberry 1873
Palaeomylus frangens Newberry 1878
Palaeomylus greenei Newberry 1889
Palaeomylus hussakofi Bryant 1935
Palaeomylus lunaeformis Hussakof and Bryant 1919
Palaeomylus minor Bryant 1935
Palaeomylus predator Eastman 1898
G. †Ptyctodopsis Denison 1985
+
Ptyctodopsis menzeli Denison 1985
G. †Ptyctodus Pander 1858
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Ptyctodus bradyi Hussakof 1942
Ptyctodus calceolus Newberry and Worthen 1866
Ptyctodus compressus Eastman 1898
Ptyctodus czarnockii Gorizdro-Kulczykka 1934
Ptyctodus eastmani Weller 1906
Ptyctodus ferox Eastman 1898
Ptyctodus howlandi Hussakof and Bryant 1919
Ptyctodus kielcensis Gorizdro-Kulczykka 1934
Ptyctodus major Rohon 1895
Ptyctodus molaris Eastman 1898
Ptyctodus obliquus Pander 1858
Ptyctodus panderi Eastman 1898
Ptyctodus punctatus Eastman 1898
Ptyctodus reimanni Carter 1942
Ptyctodus sibericus Tolmachoff 1915
G. †Ramphodus Jaekel 1903
G. †Rhynchodus Newberry 1873
+
Rhynchodus excavatus Newberry 1877
Rhynchodus eximius Jaekel 1919
Rhynchodus major Eastman 1898
Rhynchodus marginalis Gorizdro-Kulczykka 1934
Rhynchodus occidentalis Newberry 1878
Rhynchodus ornatus Hussakof and Bryant 1919
Rhynchodus pertenuis Eastman 1904
Rhynchodus rostratus Eastman 1898
Rhynchodus secans Newberry 1873
Rhynchodus telleri Hussakof and Bryant 1919
Rhynchodus tetrodon Jaekel 1903
Rhynchodus wildungensis Jaekel 1929
G. Rinodus Newberry and Worthen 1866
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 14:32:58
Modified: 2004-08-17 16:32:58
Source: c = class, subp = subphylum
Reference: Carroll 1988

Age range

Maximum range based only on fossils: base of the Emsian to the top of the Pennsylvanian or 407.60000 to 298.90000 Ma
Minimum age of oldest fossil (stem group age): 393.3 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Emsian407.6 - 393.3USA (Wyoming) Bulbocanthus rugosus (26176)
Early/Lower Givetian388.1 - 383.7Belarus Rhynchodus sp. (225886)
Givetian387.7 - 382.7USA (Iowa) Ptyctodus sp., Rhynchodus sp., Ptyctodopsis menzeli (163063)
Early/Lower Frasnian383.7 - 382.4Iran Ptyctodontidae indet. (226048)
Early/Lower Frasnian383.7 - 382.4Russian Federation Ptyctodus sp. (90343)
Middle Frasnian382.4 - 379.5Poland (Swietokrzyskie Voivodship) Rhynchodus sp. 1, Rhynchodus sp. 2 (226394)
Late/Upper Givetian380.2 - 382.7Belarus Ctenurella sp. (225888)
Late/Upper Givetian - Early/Lower Frasnian380.2 - 382.4Germany (North Rhine-Westphalia) Ctenurella gladbachensis (226078) Ptyctodus sp., Ctenurella gladbachensis (197071)
Middle Famennian370.6 - 364.7Russian Federation (Oryol Oblast) Ptyctodus major (226045)
Late/Upper Famennian364.7 - 360.7USA (Missouri) Ptyctodus calceolus (6027 6041 6051)
Pennsylvanian323.2 - 298.9United Kingdom Chelyophorus griffithii (132779)