Project 422: G. Giribet,G. D. Edgecombe,J. M. Carpenter,C. A. D'Haise,W. C. Wheeler. 2004. Is Ellipura monophyletic? A combined analysis of basal hexapod relationships with emphasis on the origin of insects. Organisms Diversity & Evolution. 4 (4):319–340.
Specimen: Parajapyx (unvouchered)

Abstract

Hexapoda includes 33 commonly recognized orders, most of them insects. Ongoing controversy concerns the grouping of Protura and Collembola as a taxon Ellipura, the monophyly of Diplura, a single or multiple origins of entognathy, and the monophyly or paraphyly of the silverfish (Lepidotrichidae and Zygentoma s.s.) with respect to other dicondylous insects. Here we analyze relationships among basal hexapod orders via a cladistic analysis of sequence data for five molecular markers and 189 morphological characters in a simultaneous analysis framework using myriapod and crustacean outgroups. Using a sensitivity analysis approach and testing for stability, the most congruent parameters resolve Tricholepidion as sister group to the remaining Dicondylia, whereas most suboptimal parameter sets group Tricholepidion with Zygentoma. Stable hypotheses include the monophyly of Diplura, and a sister group relationship between Diplura and Protura, contradicting the Ellipura hypothesis. Hexapod monophyly is contradicted by an alliance between Collembola, Crustacea and Ectognatha (i.e., exclusive of Diplura and Protura) in molecular and combined analyses.


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Project DOI: 10.7934/P422, http://dx.doi.org/10.7934/P422
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 1 Document
  • 43 Taxa
  • 2 Specimens
  • 189 Characters


Download Project SDD File
Total scored cells: 7532
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 189
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 465
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:189/0
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MorphoBank Project 422


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    Maureen Admin
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    Gonzalo Giribet
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    Taxonomic Overview for Matrix 'M982' (42 Taxa)

    taxon unscored
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    [1] Hutchinsoniella
    Last Modified in 12/05/13
    388686065004
    [2] Artemia
    Last Modified in 12/05/13
    20102102067004
    [3] Homarus
    Last Modified in 12/05/13
    25106106058004
    [4] Scutigerina
    Last Modified in 12/05/13
    3144144042004
    [5] Lithobius
    Last Modified in 12/05/13
    2145145042004
    [6] Scutigerella
    Last Modified in 12/05/13
    10133133046004
    [7] Hanseniella
    Last Modified in 12/05/13
    10133133046004
    [8] Acerentulus
    Last Modified in 12/05/13
    10139139040004
    [9] Neocondeellum
    Last Modified in 12/05/13
    19131131039004
    [10] Baculentulus
    Last Modified in 12/05/13
    19131131039004
    [11] Xenylla
    Last Modified in 12/05/13
    4155155030004
    [12] Onychiurus
    Last Modified in 12/05/13
    4155155030004
    [13] Tetrodontophora
    Last Modified in 12/05/13
    4155155030004
    [14] Neanura
    Last Modified in 12/05/13
    5153153031004
    [15] Morulina
    Last Modified in 12/05/13
    6152152031004
    [16] Orchesella
    Last Modified in 12/05/13
    3156156030004
    [17] Folsomia
    Last Modified in 12/05/13
    11149149029004
    [18] Tomocerus
    Last Modified in 12/05/13
    10150150029004
    [19] Sminthurinus
    Last Modified in 12/05/13
    10149149030004
    [20] Campodeidae
    Last Modified in 12/05/13
    16134134039004
    [21] Campodea
    Last Modified in 12/05/13
    2148148039004
    [22] Lepidocampa
    Last Modified in 12/05/13
    11139139039004
    [23] Catajapyx
    Last Modified in 12/05/13
    7145145037004
    [24] Metajapyx
    Last Modified in 12/05/13
    7145145037004
    [25] Heterojapyx
    Last Modified in 12/05/13
    19133133037004
    [26] Parajapyx
    Last Modified in 12/05/13
    19133133037004
    [27] Dilta
    Last Modified in 12/05/13
    1167167021004
    [28] Petrobius
    Last Modified in 12/05/13
    1167167021004
    [29] Machiloides
    Last Modified in 12/05/13
    22146146021004
    [30] Allomachilis
    Last Modified in 12/05/13
    22146146021004
    [31] Tricholepidion
    Last Modified in 12/05/13
    17151151021004
    [32] Lepisma
    Last Modified in 12/05/13
    0168168021004
    [33] Thermobia
    Last Modified in 12/05/13
    1167167021004
    [34] Texoreddellia
    Last Modified in 12/05/13
    19143143027004
    [35] Squamigera
    Last Modified in 12/05/13
    19143143027004
    [36] Callibaetis
    Last Modified in 12/05/13
    2177177010004
    [37] Choroterpes
    Last Modified in 12/05/13
    2177177010004
    [38] Anax
    Last Modified in 12/05/13
    118218107004
    [39] Libellula
    Last Modified in 12/05/13
    118218107004
    [40] Forficula
    Last Modified in 12/05/13
    4175174011004
    [41] Labidura
    Last Modified in 12/05/13
    4175174011004
    [42] Locusta
    Last Modified in 12/05/13
    018118108004


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    Documents list790
    Taxon list7611
    Bibliography736




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