Project 1050: D. A. Legg, M. D. Sutton, G. D. Edgecombe. 2013. Arthropod fossil data increase congruence of morphological and molecular phylogenies. Nature Communications. 4:2485.
Specimen: † Sanctacaris (:ROM 43502)
View: posterior cephalon

Abstract

The relationships of major arthropod clades have long been contentious, but refinements in molecular phylogenetics underpin an emerging consensus. Nevertheless, molecular phylogenies have recovered topologies that morphological phylogenies have not, including the placement of hexapods within a paraphyletic Crustacea, and an alliance between myriapods and chelicerates. Here we show enhanced congruence between molecular and morphological phylogenies based on 753 morphological characters for 309 fossil and Recent panarthropods. We resolve hexapods within Crustacea, with remipedes as their closest extant relatives, and show that the traditionally close relationship between myriapods and hexapods is an artefact of convergent character acquisition during terrestrialisation. The inclusion of fossil morphology mitigates long-branch artefacts as exemplified by pycnogonids: when fossils are included, they resolve with euchelicerates rather than as a sister taxon to all other euarthropods.


Read the article »

Article DOI: 10.1038/ncomms3485

Project DOI: 10.7934/P1050, http://dx.doi.org/10.7934/P1050
This project contains
  • 93 Media
  • 2 Documents
  • 311 Taxa
  • 92 Specimens
Total size of project's media files: 68 MB

Download Project SDD File
Currently Viewing:
MorphoBank Project 1050
  • Creation Date:
    16 October 2013
  • Publication Date:
    09 April 2015
  • Project views: 94305


    Members

    member name taxa specimens media media
    notes
    Jo Wolfe
    Project Administrator
    Last logged in 04/09/15
    311929392
    Maureen Admin
    Full membership
    Last logged in 10/17/13
    0000
    MorphoBank Curator
    Full membership
    Last logged in 04/10/15
    0000
    Greg Edgecombe
    Full membership
    Last logged in 11/07/13
    0000
    David Legg
    Full membership
    Last logged in Never
    0000


    Project has no matrices defined.



    Project views

    type number of views Individual items viewed (where applicable)
    Total project views94305
    Project overview3243
    Media views44986Media search (3950 views); M333146 (447 views); M333056 (504 views); M333057 (486 views); M333058 (445 views); M333059 (515 views); M333060 (556 views); M333061 (528 views); M333062 (406 views); M333063 (429 views); M333064 (369 views); M333065 (419 views); M333066 (503 views); M333067 (403 views); M333068 (628 views); M333069 (427 views); M333070 (517 views); M333071 (441 views); M333072 (402 views); M333073 (414 views); M333074 (373 views); M333075 (395 views); M333076 (450 views); M333077 (407 views); M333078 (422 views); M333096 (489 views); M333097 (405 views); M333098 (402 views); M333099 (493 views); M333100 (418 views); M333101 (445 views); M333102 (436 views); M333103 (412 views); M333104 (509 views); M333106 (430 views); M333107 (394 views); M333108 (405 views); M333109 (477 views); M333110 (492 views); M333111 (409 views); M333112 (419 views); M333113 (447 views); M333114 (387 views); M333119 (381 views); M333120 (505 views); M333121 (429 views); M333122 (378 views); M333123 (400 views); M333124 (450 views); M333125 (478 views); M333126 (386 views); M333127 (419 views); M333128 (463 views); M333129 (453 views); M333130 (437 views); M333131 (440 views); M333132 (434 views); M333133 (432 views); M333134 (374 views); M333135 (435 views); M333136 (444 views); M333137 (437 views); M333138 (445 views); M333139 (378 views); M333140 (433 views); M333141 (435 views); M333142 (439 views); M333143 (493 views); M333144 (511 views); M333145 (359 views); M333147 (428 views); M333148 (457 views); M333149 (409 views); M333150 (438 views); M333151 (396 views); M333152 (560 views); M333153 (510 views); M333154 (457 views); M333155 (450 views); M333156 (466 views); M333157 (392 views); M333158 (488 views); M333159 (379 views); M333160 (437 views); M333161 (443 views); M333162 (473 views); M333171 (467 views); M374954 (438 views); M374955 (416 views); M374956 (416 views); M374957 (490 views); M374958 (484 views); M374959 (411 views); M376763 (308 views);
    Documents list1492
    Views for media list2602
    Bibliography698
    Taxon list10924
    Specimen list30360




    Project downloads

    type number of downloads Individual items downloaded (where applicable)
    Total downloads from project200
    Project downloads184
    Document downloads16Characters (4 downloads); Matrix (12 downloads);