Project 622: G. D. Edgecombe,M. Koch. 2008. Phylogeny of scolopendromorph centipedes (Chilopoda): morphological analysis featuring characters from the peristomatic area. Cladistics. 24 (6):872-901.
Specimen: Scolopendra cingulata (NHM (London))

Abstract

Alternative schemes for the higher-level systematics of the centipede order Scolopendromorpha have been established from characters of trunk segmentation, including the segmental position of spiracles, and the presence or absence of eyes. A comparative survey of the preoral chamber by light and scanning electron microscopy contributes 16 new characters of the epipharynx and hypopharynx, sampled from 26 species that represent 20 genera. These new data together with 49 additional morphological characters permit cladistic analysis of the major scolopendromorph groups. The shortest cladograms resolve blind Scolopendromorpha as a basal grade within which a clade now classified as Plutoniuminae + Scolopocryptopidae (supported by unreversed characters from the preoral chamber) is sister to the remaining scolopendromorphs. A unique row of bullet-shaped sensilla between the labral and clypeal parts of the epipharynx provides a new autapomorphy of the Scolopendromorpha. Either 21 or 23 trunk segments optimize at the base of the Scolopendromorpha but in either case homoplasy is forced on the cladogram. New characters from the epipharynx give additional support for the monophyly of several traditional groupings, including Cryptopinae, Scolopendridae, Otostigmini, and Scolopendrini, and a basal resolution of Asanadini within Scolopendridae. Of the two competing hypotheses for the position of the enigmatic Mediterranean Plutonium zwierleini—being either sister to the cryptopid Theatops or sister to all other Scolopendromorpha—the former hypothesis is strongly supported; spiracles on all trunk segments in Plutonium are homoplastic with the state in Geophilomorpha. Observations on feeding behaviour are needed to illuminate convergence in characters of the epipharynx and mandible in Edentistoma (Otostigminae) and Campylostigmus (Scolopendrini).


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Project DOI: 10.7934/P622, http://dx.doi.org/10.7934/P622
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 29 Taxa
  • 1 Specimen
  • 65 Characters
Total size of project's media files: 2 MB

Download Project SDD File
Total scored cells: 1821
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 65
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 154
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:65/0
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MorphoBank Project 622


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    MorphoBank Curator
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    Last logged in 11/18/11
    291165001821
    (1788, 0, 33)
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    Maureen Admin
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    Greg Edgecombe
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    Jo Wolfe
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    Taxonomic Overview for Matrix 'M1402' (29 Taxa)

    taxon unscored
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    [1] Scutigera coleoptrata
    Last Modified in 12/05/13
    2585805004
    [2] Lithobius forficatus
    Last Modified in 12/05/13
    0616104004
    [3] Mecistocephalus tahitiensis
    Last Modified in 12/05/13
    7515107004
    [4] Plutonium zwierleini
    Last Modified in 12/05/13
    3616101004
    [5] Theatops erythrocephalus
    Last Modified in 12/05/13
    2626201004
    [6] Theatops posticus
    Last Modified in 12/05/13
    3616101004
    [7] Cryptops australis
    Last Modified in 12/05/13
    0646401004
    [8] Cryptops spinipes
    Last Modified in 12/05/13
    3616101004
    [9] Paracryptops weberi
    Last Modified in 12/05/13
    3616101004
    [10] Kethops utahensis
    Last Modified in 12/05/13
    4606001004
    [11] Newportia longitarsis stechowi
    Last Modified in 12/05/13
    1636301004
    [12] Scolopocryptops ferrugineus
    Last Modified in 12/05/13
    1636301004
    [13] Scolopocryptops spinicaudus
    Last Modified in 12/05/13
    3616101004
    [14] Dinocryptops miersii
    Last Modified in 12/05/13
    3616101004
    [15] Scolopendra canidens
    Last Modified in 12/05/13
    2636300004
    [16] Scolopendra cingulata
    Last Modified in 12/05/13
    0656500004
    [17] Cormocephalus aurantiipes
    Last Modified in 12/05/13
    1646400004
    [18] Cormocephalus hartmeyeri
    Last Modified in 12/05/13
    3626200004
    [19] Cormocephalus rubriceps
    Last Modified in 12/05/13
    3626200004
    [20] Hemiscolopendra chilensis
    Last Modified in 12/05/13
    1646400004
    [21] Arthrorhabdus formosus
    Last Modified in 12/05/13
    3626200004
    [22] Campylostigmus orientalis
    Last Modified in 12/05/13
    4616100004
    [23] Scolopendropsis bahiensis
    Last Modified in 12/05/13
    3626200004
    [24] Asanada socotrana
    Last Modified in 12/05/13
    1636301004
    [25] Otostigmus astenus
    Last Modified in 12/05/13
    1636301004
    [26] Alipes crotalus
    Last Modified in 12/05/13
    3616101004
    [27] Ethmostigmus rubripes
    Last Modified in 12/05/13
    0646401004
    [28] Rhysida nuda
    Last Modified in 12/05/13
    1636301004
    [29] Edentistoma octosulcatus
    Last Modified in 12/05/13
    3616101004


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    Taxon list7824
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