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Gymnotrachelus
Taxonomy
Gymnotrachelus was named by Dunkle and Bongert (1939) [Sepkoski's age data: D Fame-u Sepkoski's reference number: 521]. It is not extant.
It was assigned to Arthrodira by Sepkoski (2002); to Aspinothoracidi by Carr and Hlavin (2010); and to Selenosteidae by Denison (1978) and Rücklin (2011).
It was assigned to Arthrodira by Sepkoski (2002); to Aspinothoracidi by Carr and Hlavin (2010); and to Selenosteidae by Denison (1978) and Rücklin (2011).
Species
Synonymy list
Year | Name and author |
---|---|
1939 | Gymnotrachelus Dunkle and Bongert |
1978 | Gymnotrachelus Denison |
2002 | Gymnotrachelus Sepkoski |
2010 | Gymnotrachelus Carr and Hlavin p. 198 |
2011 | Gymnotrachelus Rücklin pp. 56 - 57 |
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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. †Gymnotrachelus Dunkle and Bongert 1939
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†Gymnotrachelus hydei Dunkle and Bungart 1939
Diagnosis
No diagnoses are available