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Trimerorhachidae

Osteichthyes - Temnospondyli - Trimerorhachidae

Taxonomy
Trimerorhachidae was named by Cope (1882). It is not extant.

It was synonymized subjectively with Archegosauridae by Hay (1902); it was misspelled as Trimerorachidae by Watson (1919), Kuhn (1946), Daly (1973), Carroll (1988), Yates and Warren (2000), Schoch and Milner (2014).

It was assigned to Rachitomi by Watson (1919); to Rhachitomi by Kuhn (1946); to Trimerorhachoidea by Daly (1973), Carroll (1988); and to Dvinosauria by Yates and Warren (2000), Schoch and Milner (2014).

Synonymy list
YearName and author
1882Trimerorhachidae Cope
1919Trimerorachidae Watson p. 66
1946Trimerorhachidae Kuhn p. 52
1973Trimerorhachidae Daly p. 568
1988Trimerorhachidae Carroll
2000Trimerorhachidae Yates and Warren pp. 84, 89 fig. 1
2014Trimerorhachidae Schoch and Milner p. 36

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
RankNameAuthor
subclassTetrapodomorpha()
Tetrapoda
classAmphibia
orderTemnospondyli()
Eutemnospondyli
Rhachitomi()
Dvinosauria
familyTrimerorhachidaeCope 1882
familyTrimerorhachidaeCope 1882

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. †Trimerorhachidae Cope 1882
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G. †Lafonius Berman 1973
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Lafonius lehmani Berman 1973
G. †Nannospondylus Olson 1965
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Invalid names: Nannospondylus stewarti Olson 1965 [nomen dubium]
G. †Procuhy Cisneros et al. 2015
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Procuhy nazariensis Cisneros et al. 2015
G. †Trimerorhachis Cope 1878
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Trimerorhachis greggi Milner and Schoch 2013
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Invalid names: Trimerorhachis alleni Case 1910 [synonym], Trimerorhachis bilobatus Cope 1883 [synonym], Trimerorhachis medius Broom 1913 [synonym]
Trimerorhachis mesops Cope 1896
Trimerorhachis rogersi Olson 1955
Trimerorhachis sandovalensis Berman and Reisz 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilesubo
Life habit: amphibioussubo
Diet: carnivoresubo
Dispersal: waterc
Created: 2009-07-20 21:44:54
Modified: 2009-07-20 23:44:54
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Uhen 2004, Carroll 1988, Kiessling 2004

Age range: base of the Gzhelian to the top of the Wordian or 303.70000 to 264.28000 Ma

Collections (61 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9USA (New Mexico) Lafonius lehmani (176523)
Virgilian303.7 - 298.9USA (New Mexico) Trimerorhachidae indet., Lafonius lehmani (179964)
Virgilian303.7 - 298.9USA (Kansas) Trimerorhachidae indet. (180633) Trimerorhachis sp. (215555)
Asselian298.9 - 293.52USA (Nebraska) Trimerorhachidae indet. (162676)
Asselian - Sakmarian298.9 - 290.1USA (Texas) Trimerorhachis insignis (11165)
Wolfcampian298.9 - 286.0USA (New Mexico) Trimerorhachis sandovalensis (180465) Trimerorhachis sp. (85436 181037 181078) Trimerorhachis sp., Trimerorhachis sandovalensis (180974)
Cisuralian298.9 - 274.4Brazil (Piaui) Procuhy nazariensis (180810)
Permian298.9 - 251.902USA (Oklahoma) Trimerorhachis insignis (221391 221392) Trimerorhachis sp. (221389 221390)
Sakmarian - Artinskian293.52 - 283.3USA (New Mexico) Trimerorhachis sp. (180988)
Sakmarian - Artinskian293.52 - 283.3USA (Texas) Trimerorhachis sp. (28324)
Artinskian290.1 - 283.3USA (Oklahoma) Trimerorhachis insignis (79402) Trimerorhachis sp. (220872)
Artinskian290.1 - 283.3USA (Texas) Trimerorhachis alleni (28143) Trimerorhachis bilobatus (28238) Trimerorhachis insignis (22714 80741 84716) Trimerorhachis medius (28145) Trimerorhachis sp. (13080 28141 28142 28146 28147 28150 28240)
Artinskian - Kungurian290.1 - 274.4USA (Texas) Trimerorhachis sp. (28241 28250 85299 85300)
Leonardian286.0 - 274.4USA (Oklahoma) Trimerorhachis insignis (79815 84941 85567 180991) Trimerorhachis sp. (87054 180990)
Leonardian286.0 - 274.4USA (Texas) Trimerorhachis insignis, Trimerorhachis mesops (178739) Trimerorhachis rogersi (79601) Trimerorhachis sp. (177006)
Kungurian283.3 - 274.4USA (Texas) Trimerorhachis insignis (27704 28264 177019) Trimerorhachis mesops (28256) Trimerorhachis sp. (22716 28251 28270 28272 28273 67735 177001 177017) Trimerorhachis sp., Trimerorhachis greggi (28267)
Kungurian283.3 - 274.4USA (Oklahoma) Trimerorhachis sp. (67945)
Roadian - Wordian274.4 - 264.28USA (Oklahoma) Nannospondylus stewarti (27414)