Project 2695: J. F. Hoyal Cuthill, J. Han. 2018. Cambrian petalonamid Stromatoveris phylogenetically links Ediacaran biota to later animals. Palaeontology. 61 (6):813-823.
Abstract
Macro‐organisms of the Ediacaran period (635–541 Ma) were large and morphologically complex, with some living in aphotic habitats, presenting the possibility that they were early animals. However, ‘bizarre’ Ediacaran morphologies and mouldic preservation have frustrated comparison to later taxa. Consequently, both the positions of Ediacaran biota in the tree of life and the origins of the Metazoa have remained disputed. Here we provide phylogenetic evidence to identify Ediacaran macro‐biota as animals, based on 206 new fossils of Stromatoveris psygmoglena from the lower Cambrian Chengjiang Lagerstätte. Exceptionally preserved soft‐tissue anatomy shows that Stromatoveris was a soft‐bodied, radially symmetric animal with multiple, sub‐branched petaloids and a differentiated holdfast. Photo‐referenced morphological character analysis enables phylogenetic reconstruction of a monophyletic clade designated Petalonamae, that unites Stromatoveris with iconic Ediacaran genera (Rangea, Pteridinium, Ernietta, Swartpuntia, Arborea, Pambikalbae and Dickinsonia) and is placed as sister‐group to the Eumetazoa. Therefore, based on phylogenetic bracketing within the Metazoa, the Ediacaran petalonamids are established as animals. From these findings, it follows that petalonamids remained an important component of Cambrian marine ecosystems and that the metazoan radiation can be dated to a minimum age of between 558 and 571 myr.Read the article »
Article DOI: 10.1111/pala.12393
Project DOI: 10.7934/P2695, http://dx.doi.org/10.7934/P2695
This project contains | Matrices |
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Download Project SDD File ![]() | Total scored cells: 737 Total media associated with cells: 626 Total labels associated with cell media: 643 |
Characters | |
Total characters: 42 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 85 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:41/1 |
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MorphoBank Project 2695
MorphoBank Project 2695
- Creation Date:
30 May 2017 - Publication Date:
05 August 2018 - Project views: 87141
- Media downloads: 180
- Matrix downloads: 46
Authors' Institutions
- Northwest University
- University of Cambridge
- Tokyo Institute of Technology
Members
member name | taxa ![]() |
specimens ![]() |
media ![]() | media notes | chars ![]() | character
| cell scorings (scored, NPA, "-") | cell
| rules ![]() | ||||||||||||||
Jennifer Hoyal Cuthill Project Administrator | 19 | 71 | 94 | 57 | 42 | 0 | 35 | 0 | 0 | 737 (724, 0, 13) | 0 | 161 | 626 | 643 | 0 | ||||||||
Seth Kaufman | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M24692' (19 Taxa)
taxon | unscored cells |
scored cells ![]() |
no cell support ![]() |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] † Rangea Last Modified in 05/30/17 | 5 | 37 | 1 | 0 | 0 | 46 | 48 | 1 ![]() |
[2] † Stromatoveris Last Modified in 06/02/17 | 3 | 39 | 0 | 0 | 0 | 48 | 49 | 1 ![]() |
[3] † Pteridinium Last Modified in 09/04/17 | 7 | 35 | 0 | 0 | 0 | 47 | 50 | 1 ![]() |
[4] † Arborea Last Modified in 06/02/17 | 7 | 35 | 0 | 0 | 0 | 45 | 48 | 1 ![]() |
[5] † Pambikalbae Last Modified in 06/02/17 | 8 | 34 | 0 | 0 | 0 | 44 | 47 | 1 ![]() |
[6] † Swartpuntia Last Modified in 06/02/17 | 8 | 34 | 0 | 0 | 0 | 42 | 45 | 1 ![]() |
[7] † Dickinsonia Last Modified in 09/04/17 | 6 | 36 | 0 | 0 | 0 | 50 | 51 | 1 ![]() |
[8] † Ernietta Last Modified in 06/02/17 | 8 | 34 | 0 | 0 | 0 | 46 | 48 | 1 ![]() |
[9] † Palaeopascichnus Last Modified in 09/11/17 | 1 | 40 | 33 | 0 | 1 | 0 | 0 | 1 ![]() |
[10] † Bosworthia Last Modified in 08/28/17 | 0 | 41 | 36 | 0 | 1 | 0 | 0 | 1 ![]() |
[11] Rhizocarpon Last Modified in 08/29/17 | 0 | 40 | 0 | 0 | 2 | 42 | 43 | 1 ![]() |
[12] † Thectardis Last Modified in 06/02/17 | 6 | 33 | 0 | 0 | 3 | 42 | 42 | 1 ![]() |
[13] † Leptomitus Last Modified in 09/04/17 | 1 | 38 | 0 | 0 | 3 | 42 | 42 | 1 ![]() |
[14] † Galeactena Last Modified in 08/08/17 | 1 | 41 | 0 | 0 | 0 | 42 | 45 | 1 ![]() |
[15] Trichoplax Last Modified in 08/29/17 | 0 | 39 | 0 | 0 | 3 | 46 | 37 | 1 ![]() |
[16] Fungia Last Modified in 09/04/17 | 0 | 42 | 0 | 0 | 0 | 44 | 48 | 1 ![]() |
[17] Pennatula Last Modified in 11/22/17 | 0 | 42 | 29 | 0 | 0 | 0 | 0 | 1 ![]() |
[18] Spinther Last Modified in 08/29/17 | 0 | 42 | 29 | 0 | 0 | 0 | 0 | 1 ![]() |
[19] † Pikaia Last Modified in 08/31/17 | 0 | 42 | 27 | 0 | 0 | 0 | 0 | 1 ![]() |
Project views 
type | number of views | Individual items viewed (where applicable) |
Total project views | 87141 | |
Project overview | 2486 | |
Media views | 38781 | Media search (3614 views); M451554 (424 views); M451970 (324 views); M452132 (307 views); M452103 (315 views); M461884 (341 views); M452128 (312 views); M452114 (378 views); M452107 (334 views); M452104 (361 views); M451575 (395 views); M452113 (377 views); M451573 (407 views); M451948 (357 views); M452118 (317 views); M451644 (405 views); M451963 (351 views); M451582 (416 views); M451643 (389 views); M451599 (378 views); M451600 (381 views); M452134 (304 views); M452119 (308 views); M452121 (322 views); M452139 (465 views); M451569 (456 views); M452129 (482 views); M451591 (379 views); M452106 (313 views); M451574 (393 views); M452127 (297 views); M452577 (417 views); M451603 (505 views); M451577 (410 views); M462095 (425 views); M451576 (585 views); M452140 (422 views); M451580 (417 views); M584538 (343 views); M451590 (414 views); M451586 (427 views); M451549 (462 views); M451766 (436 views); M451566 (400 views); M452117 (300 views); M451964 (333 views); M451572 (600 views); M461885 (313 views); M451583 (364 views); M451578 (387 views); M451598 (409 views); M452105 (311 views); M451642 (382 views); M451551 (432 views); M451961 (353 views); M451966 (346 views); M452126 (317 views); M451579 (413 views); M452111 (322 views); M452123 (406 views); M451592 (381 views); M451962 (323 views); M584537 (313 views); M452293 (294 views); M451553 (407 views); M451581 (419 views); M451663 (395 views); M461886 (312 views); M451952 (389 views); M451565 (419 views); M452112 (303 views); M452131 (354 views); M452130 (303 views); M452108 (307 views); M461887 (311 views); M451954 (355 views); M452595 (396 views); M452292 (336 views); M451664 (390 views); M452133 (302 views); M452116 (295 views); M451589 (387 views); M451570 (400 views); M451645 (393 views); M452109 (360 views); M451550 (548 views); M452120 (317 views); M451947 (368 views); M451601 (406 views); M452122 (309 views); M451968 (323 views); M452135 (301 views); M451588 (409 views); M452115 (310 views); M451567 (393 views); |
Matrix views | 1423 | Matrix landing page (1193 views); Petalonamae morphological character matrix (230 views); |
Taxon list | 5958 | |
Specimen list | 27017 | |
Views for media list | 3435 | |
Bibliography | 8024 | |
Documents list | 17 |
Project downloads 
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 538 | |
Project downloads | 312 | |
Media downloads | 180 | M451549 (8 downloads); M451588 (4 downloads); M451601 (2 downloads); M451565 (3 downloads); M451573 (3 downloads); M451550 (4 downloads); M451569 (7 downloads); M584538 (3 downloads); M451948 (2 downloads); M451947 (3 downloads); M451570 (5 downloads); M451642 (5 downloads); M451645 (5 downloads); M451663 (5 downloads); M451664 (4 downloads); M452111 (5 downloads); M452112 (4 downloads); M452113 (7 downloads); M452114 (4 downloads); M452292 (4 downloads); M451644 (2 downloads); M461884 (3 downloads); M461885 (2 downloads); M451551 (2 downloads); M451553 (2 downloads); M451554 (2 downloads); M451566 (2 downloads); M451567 (2 downloads); M451572 (2 downloads); M451574 (2 downloads); M451575 (2 downloads); M451576 (2 downloads); M451578 (2 downloads); M451579 (2 downloads); M451580 (2 downloads); M451581 (3 downloads); M451577 (1 download); M451582 (1 download); M451583 (1 download); M451586 (1 download); M451589 (1 download); M451590 (1 download); M451591 (1 download); M451592 (1 download); M451598 (1 download); M451599 (1 download); M451600 (1 download); M451603 (1 download); M451643 (1 download); M451766 (1 download); M451952 (1 download); M451954 (1 download); M451961 (1 download); M451962 (1 download); M451963 (1 download); M451964 (1 download); M451966 (1 download); M451968 (1 download); M451970 (1 download); M452103 (1 download); M452104 (1 download); M452105 (1 download); M452106 (1 download); M452107 (1 download); M452108 (1 download); M452109 (1 download); M452115 (1 download); M452116 (1 download); M452117 (1 download); M452118 (1 download); M452119 (1 download); M452120 (1 download); M452121 (1 download); M452122 (1 download); M452123 (1 download); M452126 (1 download); M452127 (1 download); M452128 (1 download); M452129 (1 download); M452130 (1 download); M584537 (1 download); M452131 (1 download); M452132 (1 download); M452133 (1 download); M452134 (1 download); M452135 (1 download); M452139 (1 download); M452140 (2 downloads); M452577 (1 download); M461886 (1 download); M461887 (1 download); M462095 (1 download); M452293 (1 download); M452595 (1 download); |
Matrix downloads | 46 | Petalonamae morphological character matrix (46 downloads); |