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: 77179
- Media downloads: 179
- Matrix downloads: 40
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 | 77179 | |
Project overview | 2275 | |
Media views | 34320 | Media search (3301 views); M451554 (372 views); M451970 (281 views); M452132 (271 views); M452103 (281 views); M461884 (298 views); M452128 (284 views); M452114 (339 views); M452107 (300 views); M452104 (322 views); M451575 (350 views); M452113 (333 views); M451573 (360 views); M451948 (313 views); M452118 (281 views); M451644 (353 views); M451963 (298 views); M451582 (371 views); M451643 (343 views); M451599 (334 views); M451600 (332 views); M452134 (273 views); M452119 (271 views); M452121 (283 views); M452139 (418 views); M451569 (401 views); M452129 (431 views); M451591 (331 views); M452106 (276 views); M451574 (348 views); M452127 (266 views); M452577 (386 views); M451603 (448 views); M451577 (364 views); M462095 (372 views); M451576 (513 views); M452140 (377 views); M451580 (368 views); M584538 (308 views); M451590 (362 views); M451586 (359 views); M451549 (419 views); M451766 (392 views); M451566 (355 views); M452117 (263 views); M451964 (289 views); M451572 (499 views); M461885 (268 views); M451583 (338 views); M451578 (346 views); M451598 (359 views); M452105 (275 views); M451642 (337 views); M451551 (378 views); M451961 (306 views); M451966 (298 views); M452126 (282 views); M451579 (362 views); M452111 (279 views); M452123 (356 views); M451592 (344 views); M451962 (286 views); M584537 (268 views); M452293 (263 views); M451553 (354 views); M451581 (368 views); M451663 (352 views); M461886 (269 views); M451952 (338 views); M451565 (368 views); M452112 (269 views); M452131 (321 views); M452130 (271 views); M452108 (277 views); M461887 (271 views); M451954 (313 views); M452595 (357 views); M452292 (264 views); M451664 (345 views); M452133 (268 views); M452116 (264 views); M451589 (348 views); M451570 (354 views); M451645 (351 views); M452109 (318 views); M451550 (459 views); M452120 (280 views); M451947 (325 views); M451601 (362 views); M452122 (276 views); M451968 (291 views); M452135 (271 views); M451588 (358 views); M452115 (278 views); M451567 (346 views); |
Matrix views | 1259 | Matrix landing page (1064 views); Petalonamae morphological character matrix (195 views); |
Taxon list | 5234 | |
Specimen list | 23754 | |
Views for media list | 3076 | |
Bibliography | 7246 | |
Documents list | 15 |
Project downloads 
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 529 | |
Project downloads | 310 | |
Media downloads | 179 | 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 (6 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 | 40 | Petalonamae morphological character matrix (40 downloads); |