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Rhynchodus
Taxonomy
Rhynchodus was named by Newberry (1873) [Sepkoski's age data: D Eife C Tour-l Sepkoski's reference number: 521].
It was assigned to Ptyctodontidae by Hay (1902), Jordan (1963), Denison (1978); and to Ptyctodontida by Woodward (1891), Sepkoski (2002).
It was assigned to Ptyctodontidae by Hay (1902), Jordan (1963), Denison (1978); and to Ptyctodontida by Woodward (1891), 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. †Rhynchodus Newberry 1873
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†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
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Early/Lower Givetian to the top of the Middle Frasnian or 387.95000 to 375.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Givetian | Belarus | R. sp. (225886) | |
| Givetian | USA (Iowa) | R. sp. (163063) | |
| Frasnian | Russian Federation | R. sp. (239134) | |
| Middle Frasnian | Poland (Swietokrzyskie Voivodship) | R. sp. 1, R. sp. 2 (226394) |