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Gymnotrachelus

Arthrodira - Selenosteidae

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 Rücklin (2011).

Synonymy list
YearName and author
1939Gymnotrachelus Dunkle and Bongert
2002Gymnotrachelus Sepkoski, Jr.
2010Gymnotrachelus Carr and Hlavin p. 198
2011Gymnotrachelus Rücklin pp. 56 - 57

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
RankNameAuthor
Gnathostomata()
Osteichthyes()
subclassPlacodermi(M'Coy 1848)
orderArthrodiraWoodward 1891
familySelenosteidaeDean 1901
genusGymnotrachelusDunkle and Bongert 1939

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.

Diagnosis
No diagnoses are available