Project 1024: H. D. Bracken-Grissom, M. E. Cannon, P. Cabezas, R. M. Feldmann, C. E. Schweitzer, S. T. Ahyong, D. L. Felder, R. Lemaitre, K. A. Crandall. 2013. A comprehensive and integrative reconstruction of evolutionary history for Anomura (Crustacea: Decapoda). BMC Evolutionary Biology. 13:128.

Abstract

Background
The infraorder Anomura has long captivated the attention of evolutionary biologists due to its impressive morphological diversity and ecological adaptations. To date, 2500 extant species have been described but phylogenetic relationships at high taxonomic levels remain unresolved. Here, we reconstruct the evolutionary history—phylogeny, divergence times, character evolution and diversification—of this speciose clade. For this purpose, we sequenced two mitochondrial (16S and 12S) and three nuclear (H3, 18S and 28S) markers for 19 of the 20 extant families, using traditional Sanger and next-generation 454 sequencing methods. Molecular data were combined with 156 morphological characters in order to estimate the largest anomuran phylogeny to date. The anomuran fossil record allowed us to incorporate 31 fossils for divergence time analyses.

Results
Our best phylogenetic hypothesis (morphological + molecular data) supports most anomuran superfamilies and families as monophyletic. However, three families and eleven genera are recovered as para- and polyphyletic. Divergence time analysis dates the origin of Anomura to the Late Permian ~259 (224–296) MYA with many of the present day families radiating during the Jurassic and Early Cretaceous. Ancestral state reconstruction suggests that carcinization occurred independently 3 times within the group. The invasion of freshwater and terrestrial environments both occurred between the Late Cretaceous and Tertiary. Diversification analyses found the speciation rate to be low across Anomura, and we identify 2 major changes in the tempo of diversification; the most significant at the base of a clade that includes the squat-lobster family Chirostylidae.

Conclusions
Our findings are compared against current classifications and previous hypotheses of anomuran relationships. Many families and genera appear to be poly- or paraphyletic suggesting a need for further taxonomic revisions at these levels. A divergence time analysis provides key insights into the origins of major lineages and events and the timing of morphological (body form) and ecological (habitat) transitions. Living anomuran biodiversity is the product of 2 major changes in the tempo of diversification; our initial insights suggest that the acquisition of a crab-like form did not act as a key innovation.



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Article DOI: 10.1186/1471-2148-13-128

Project DOI: 10.7934/P1024, http://dx.doi.org/10.7934/P1024
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 193 Taxa
  • 156 Characters
Total size of project's media files: 1 MB

Download Project SDD File
Total scored cells: 23698
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 156
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 382
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:156/0
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MorphoBank Project 1024


    Members

    member name taxa specimens media chars character
    media
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    (scored, NPA, "-")
    cell
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    Jo Wolfe
    Project Administrator
    Last logged in 12/02/14
    193001560023698
    (23446, 0, 252)
    000
    Shane Ahyong
    Full membership
    Last logged in Never
    0000000
    (0, 0, 0)
    000
    Heather Bracken-Grissom
    Full membership
    Last logged in 12/10/14
    0000000
    (0, 0, 0)
    000
    MorphoBank Curator
    Full membership
    Last logged in 12/10/14
    0010000
    (0, 0, 0)
    000


    Taxonomic Overview for Matrix 'M2291' (163 Taxa)

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    [1] Solenocera
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    [2] Hymenopenaeus
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    [3] Atyopsis
    Last Modified in 06/27/14
    20125125011004
    [4] Latreutes
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    [5] Ogyrides
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    [6] Palaemonetes
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    [7] Calastacus crosnieri
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    3112512500004
    [8] Calaxius
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    [9] Lepidophthalmus
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    [10] Sergio
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    [11] Austinogebia narutensis
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    [12] Laemedia astacina
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    [13] Thalassina anomala
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    [14] Cosmonotus grayi
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    [15] Calappa
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    [16] Chorilia
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    [17] Cyclograpsus
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    [18] Praebebalia
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    [19] Blepharipoda occidentalis
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    [20] Emerita emeritus
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    [21] Emerita brasiliensis
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    [22] Emerita talpoida
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    [23] Albunea gibbesii
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    [24] Albunea catherinae
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    [25] Zygopa
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    [26] Lepidopa californica
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    [27] Lepidopa dexterae
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    [28] Paraleucolepidopa
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    [29] Coenobita compressus
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    [30] Coenobita clypeatus
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    [31] Coenobita perlatus
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    [32] Birgus latro
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    [33] Clibanarius albidigitus
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    [34] Cilbanarius antillensis
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    [35] Clibanarius corallinus
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    [36] Clibanarius vittatus
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    [37] Isocheles pilosus
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    [38] Isocheles wurdmenni
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    [39] Calcinus obscurus
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    [40] Calcinus laevimanus
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    [41] Paguristes turgidus
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    [42] Paguristes tortugae
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    [43] Paguristes triangulatus
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    [44] Paguristes moorei
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    [45] Paguristes sericeus
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    [47] Paguristes puncticeps
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    [48] Paguristes cadenati
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    [49] Areopaguristes hewatti1
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    [50] Areopaguristes hewatti2
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    [51] Areopaguristes hewatti3
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    [52] Areopaguristes pilosus
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    [53] Areopaguristes hummi1
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    [55] Dardanus fuscous
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    [56] Dardanus insignis
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    [57] Dardanus sp.
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    [58] Petrochirus
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    [59] Lithodes santolla1
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    [60] Lithodes santolla2
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    [61] Glyptolithodes
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    [63] Phyllolithodes
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    [64] Lopholithodes
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    [65] Paralithodes brevipes
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    [66] Paralithodes camtschaticus
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    [67] Paralithodes platypus
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    [68] Cryptolithodes
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    [69] Oedignathus inermis
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    [70] Hapalogaster
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    [71] Pagurus bernhardus
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    [72] Pagurus stimpsoni
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    [73] Pagurus carolinensis
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    [74] Pagurus brevidactylus
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    [75] Pagurus maclaughlini
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    [76] Pagurus pollicaris
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    [77] Pagurus bullisi
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    [78] Iridopagurus caribbensis
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    [79] Iridopagurus reticulatus
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    [80] Xylopagurus
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    [81] Labidochirus
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    [82] Porcellanopagurus filholi
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    [83] Gorepagurus
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    [84] Manucomplanus
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    [85] Pylopagurus
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    [86] Pylopaguridium
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    [87] Phimochirus holthuisi
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    [88] Phimochirus randalli1
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    [89] Phimochirus randalli2
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    [90] Agaricochirus
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    [91] Tomopagurus
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    [92] Discorsopagurus schmitti
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    [93] Bythiopagurus macrocolus
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    [94] Sympagurus dimorphus
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    [95] Sympagurus acinops
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    [96] Sympagurus pictus
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    [97] Sympagurus sp.
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    [98] Parapagurus latimanus
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    [99] Trizocheles spinosus
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    [100] Pylocheles macrops
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    [101] Pomatocheles
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    [102] Pachycheles haigae
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    [103] Pachycheles rudis
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    [104] Pachycheles rugimanus
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    [105] Pachycheles ackleinus
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    [106] Pachycheles pilosus
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    [107] Polyonyx
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    [108] Pisidia
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    [109] Megalobrachium
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    [110] Petrolisthes armatus1
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    [111] Petrolisthes armatus2
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    [112] Petrolisthes laevigatus
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    [113] Petrolisthes galathinus
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    [114] Neopisosoma
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    [115] Parapetrolisthes1
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    [116] Parapetrolisthes2
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    [117] Allopetrolisthes
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    [118] Porcellana sayana
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    [119] Euceramus sp.
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    [120] Munida subrugosa
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    [121] Munida quadrispina
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    [122] Munida iris
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    [123] Munida pusilla
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    [124] Pleuroncodes monodon
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    [125] Cervimunida johni
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    [126] Sadayoshia sp.
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    [127] Babamunida kanaloa
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    [128] Agononida procera
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    [129] Neonida grandis
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    [130] Anoplonida inermis
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    [131] Bathymunida balssi
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    [132] Alainius crosnieri
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    [133] Galathea sp.
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    [134] Galathea rostrata
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    [135] Leiogalathea laevirostris
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    [136] Shinkaia crosnieri
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    [137] Munidopsis bairdiis
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    [138] Munidopsis erinacea
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    [139] Pseudomunida fragilis
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    [140] Galacantha rostrata1
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    [141] Galacantha rostrata2
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    [142] Eumunida picta1
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    [143] Eumunida picta2
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    [144] Eumunida funambulus
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    [145] Uroptychus spinirostris
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    [146] Uroptychus nitidus
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    [147] Uroptychus parvulus
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    [148] Uroptychus scambus
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    [149] Gastroptychus novaezelandiae
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    [150] Gastroptychus rogeri
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    [151] Gastroptychus spinifer
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    [152] Chirostylus novaecaledoniae
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    [153] Kiwa hirsuta
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    [154] Aegla violacea
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    [155] Aegla uruguyana
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    [156] Aegla platensis
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    [157] Aegla papudo
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    [158] Aegla jarai
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    [159] Aegla cholchol
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    [160] Aegla camargoi
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    [161] Aegla abtao
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    [162] Aegla alacalufi
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    [163] Lomis hirta
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    Media views3843Media search (3271 views); M348438 (572 views);
    Matrix views1623Matrix landing page (1574 views); Integrative phylogeny of the Anomura (49 views);
    Taxon list10635




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