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Ptyctodus
Taxonomy
Ptyctodus was named by Pander (1858) [Sepkoski's age data: D Eife-l C Tour-l Sepkoski's reference number: 521].
It was assigned to Ptyctodontidae by Hay (1902), Jordan (1963) and Denison (1978); and to Ptyctodontida by Woodward (1891) and Sepkoski (2002).
It was assigned to Ptyctodontidae by Hay (1902), Jordan (1963) and Denison (1978); and to Ptyctodontida by Woodward (1891) and Sepkoski (2002).
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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.
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
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, subp = subphylum | |||||
Reference: Carroll 1988 |
Age range: base of the Early/Lower Frasnian to the top of the Late/Upper Famennian or 383.70000 to 360.70000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Givetian | USA (Iowa) | P. sp. (163063) | |
Early/Lower Frasnian | Russian Federation | P. sp. (90343) | |
Late/Upper Givetian - Early/Lower Frasnian | Germany (North Rhine-Westphalia) | P. sp. (197071) | |
Middle Famennian | Russian Federation (Oryol Oblast) | P. major (226045) | |
Late/Upper Famennian | USA (Missouri) | P. calceolus (6027 6041 6051) |