Project 624: M. Koch,S. Pärschke,G. D. Edgecombe. 2009. Phylogenetic implications of gizzard morphology in scolopendromorph centipedes (Chilopoda). Zoologica Scripta. 38 (3):269–288.
Specimen: Scolopendropsis bahiensis (BM/97.9.21:1420)
View: Spiniferous plates on plicae of gizzard wall

Abstract

Scolopendromorpha is unique among Chilopoda in the differentiation of a structurally complex gizzard at the posterior end of the foregut. Classical descriptions indicate major morphological differences between the gizzards of a few documented members of the main groups, Scolopendridae, Cryptopidae and Scolopocryptopidae. A survey of gizzard anatomy for 30 species by light and scanning electron microscopy introduces 13 characters of the foregut to a matrix including 67 additional morphological characters for inferring scolopendromorph interrelationships. A sieve-type gizzard shared by Cryptopidae and Scolopocryptopidae supports a single origin of blindness in Scolopendromorpha; monophyly of blind lineages emerges as equally parsimonious to the paraphylyetic arrangement favoured by previous analysis without gizzard characters. Unique substructures of the sieve projections provide new support for the monophyly of Cryptopidae, Plutoniuminae, and the traditional grouping of Scolopocryptopidae. Comparison with the states in Scolopendridae favours a new homology assumption for parts of the foregut, which recognizes the sieve in blind scolopendromorphs as homologous to the posterior part of the gizzard in Scolopendridae that variably bears circlets of short lobes. The plicae in front of the sieve lack cuticular trichomes, whereas most scolopendrids show longitudinal rows of spines or spine-bearing plates in the corresponding region. The basal resolution of Asanadini and Arrhabdotini within the Scolopendridae is reinforced by spiniferous scales on the gizzard's plicae that are uniquely shared by Otostigmini and Scolopendrini.


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Project DOI: 10.7934/P624, http://dx.doi.org/10.7934/P624
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 34 Taxa
  • 1 Specimen
  • 80 Characters
Total size of project's media files: 4 MB

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Total scored cells: 2632
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 80
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 185
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Total character states with media with labels:0
Total unordered/ordered characters:80/0
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MorphoBank Project 624


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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 'M1404' (34 Taxa)

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    [1] Scutigera coleoptrata
    Last Modified in 12/05/13
    26363015004
    [2] Lithobius forficatus
    Last Modified in 12/05/13
    06666014004
    [3] Mecistocephalus tahitiensis
    Last Modified in 12/05/13
    75656017004
    [4] Plutonium zwierleinii
    Last Modified in 12/05/13
    3747403004
    [5] Theatops erythrocephalus
    Last Modified in 12/05/13
    2767602004
    [6] Theatops posticus
    Last Modified in 12/05/13
    3747403004
    [7] Cryptops australis
    Last Modified in 12/05/13
    2757503004
    [8] Cryptops hortensis
    Last Modified in 12/05/13
    0777703004
    [9] Cryptops spinipes
    Last Modified in 12/05/13
    3747403004
    [10] Paracryptops weberi
    Last Modified in 12/05/13
    3747403004
    [11] Kethops utahensis
    Last Modified in 12/05/13
    4747402004
    [12] Newportia longitarsis stechowi
    Last Modified in 12/05/13
    1777702004
    [13] Scolopocryptops ferrugineus
    Last Modified in 12/05/13
    1777702004
    [14] Scolopocryptops spinicaudus
    Last Modified in 12/05/13
    3757502004
    [15] Dinocryptops miersii
    Last Modified in 12/05/13
    3757502004
    [16] Scolopendra canidens
    Last Modified in 12/05/13
    2737305004
    [17] Scolopendra cingulata
    Last Modified in 12/05/13
    0757505004
    [18] Scolopendra laeta
    Last Modified in 12/05/13
    3727205004
    [19] Scolopendra morsitans
    Last Modified in 12/05/13
    0757505004
    [20] Scolopendra oraniensis
    Last Modified in 12/05/13
    3727205004
    [21] Scolopendra pinguis
    Last Modified in 12/05/13
    3727205004
    [22] Cormocephalus aurantiipes
    Last Modified in 12/05/13
    1747405004
    [23] Cormocephalus hartmeyeri
    Last Modified in 12/05/13
    3727205004
    [24] Cormocephalus rubriceps
    Last Modified in 12/05/13
    3727205004
    [25] Hemiscolopendra chilensis
    Last Modified in 12/05/13
    1747405004
    [26] Arthrorhabdus formosus
    Last Modified in 12/05/13
    3727205004
    [27] Campylostigmus orientalis
    Last Modified in 12/05/13
    17636300004
    [28] Scolopendropsis bahiensis
    Last Modified in 12/05/13
    3717106004
    [29] Asanada socotrana
    Last Modified in 12/05/13
    1727207004
    [30] Otostigmus astenus
    Last Modified in 12/05/13
    1727207004
    [31] Alipes crotalus
    Last Modified in 12/05/13
    3707007004
    [32] Ethmostigmus rubripes
    Last Modified in 12/05/13
    0737307004
    [33] Rhysida nuda
    Last Modified in 12/05/13
    1727207004
    [34] Edentistoma octosulcatus
    Last Modified in 12/05/13
    3707007004


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