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Ditaxineurida
Taxonomy
Ditaxineurida was named by Bechly (2002). Its type is Ditaxineura. It was considered monophyletic by Bechly (2002).
It was assigned to Protanisoptera by Bechly (2002); and to Ditaxineuromorpha by Bechly (2007).
It was assigned to Protanisoptera by Bechly (2002); and to Ditaxineuromorpha by Bechly (2007).
Subtaxa
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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.
Unr. †Ditaxineurida Bechly 2002
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Fm. †Callimokaltaniidae Zalessky 1955
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Superfm. †Ditaxineuroidea Tillyard 1926
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Fm. †Ditaxineuridae Tillyard 1926
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G. †Ditaxineura Tillyard 1926
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†Ditaxineura anomalostigma Tillyard 1926
†Ditaxineura cellulosa Carpenter 1933
Fm. †Hemizygopteridae Zalessky 1955
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Diagnosis
Reference | Diagnosis | |
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G. Bechly 2002 | Wing venational autapomorphies: The present hypothesis of closest relationships between the Callimokaltaniidae, Hemizygopteridae and Ditaxineuridae is supported by the analysis of Bechly (1998) who created the clade Ditaxineu- rida for [Callimokaltaniidae + Ditaxineuroidea (= Hemizy- gopteridae + Ditaxineuridae, sensu Bechly (1996))]. The clade Ditaxineurida is supported by the following synapomorphy: ‘free part of CuP between MP&Cu and AA nearly perpendicular to MP&Cu and AA’. The ‘presence of only few cross-veins in the antesubnodal area between RA and RP’ is also a synapomorphy shared by these taxa. The ‘presence of only a short distal posterior branch of RA’ could also be a synapomorphy of this clade but the polarization of this character remains difficult because it is unknown in the possible outgroups, as the ‘presence of a distal posterior branch of RA’ is a synapomorphy of the Protanisoptera. |
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Kiessling 2004, Bush and Bambach 2015 |
Age range: base of the Artinskian to the top of the Roadian or 290.10000 to 266.90000 Ma
Collections (14 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Artinskian | USA (Kansas) | Ditaxineura anomalostigma (111217 111219 114151) Ditaxineura cellulosa (111319) | |
Artinskian | USA (Oklahoma) | Ditaxineura cellulosa (104822 104824 104827) | |
Artinskian - Wordian | France (Languedoc) | Bansheepteron gonfaronensis (192423) | |
Kungurian | France | Bansheepteron gonfaronensis (117604) | |
Kungurian | Russian Federation (Suksun) | Ditaxineurella stigmalis (116641) Proditaxineura pritykinae, Hemizygopteron uralense (108206) | |
Kungurian | Russian Federation | Hemizygopteron uralense (155819) | |
Roadian | Russian Federation (Kemerovo) | Callimokaltania martynovi (104704 122569) |