Morphobank

Project 3874: S. Pates, J.M. Wolfe, R. Lerosey-Aubril, A.C. Daley, J. Ortega-Hernández. 2022. New opabiniid diversifies the weirdest wonders of the euarthropod stem group. Proceedings of the Royal Society B: Biological Sciences. 289:20212093.

Specimen: † Utaurora comosa Pates, Wolfe et al., 2022 (KUM/IP:314087)
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Abstract

Once considered ‘weird wonders’ of the Cambrian, the emblematic Burgess Shale animals Anomalocaris and Opabinia are now recognized as lower stem-group euarthropods and have provided crucial data for constraining the polarity of key morphological characters in the group. Anomalocaris and its relatives (radiodonts) had a worldwide distribution and survived until at least the Devonian. However, despite intense study, Opabinia remains the only formally described opabiniid to date. Here we reinterpret a fossil from the Wheeler Formation of Utah as a new opabiniid, Utaurora comosa nov. gen. et sp. By visualizing the sample of phylogenetic topologies in treespace, our results fortify support for the position of U. comosa beyond the nodal support traditionally applied. Our phylogenetic evidence expands opabiniids to multiple Cambrian Stages. Our results underscore the power of treespace visualization for resolving imperfectly preserved fossils and expanding the known diversity and spatiotemporal ranges within the euarthropod lower stem group.

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Article DOI: 10.1098/rspb.2021.2093

Project DOI: 10.7934/P3874, http://dx.doi.org/10.7934/P3874

This project contains	Matrices
1 Media 1 Matrix 54 Taxa 1 Specimen 125 Characters Total size of project's media files: 1.03M Download Project SDD File	Total scored cells: 5640 Total media associated with cells: 0 Total labels associated with cell media: 0
	Characters
	Total characters: 125 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 286 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:125/0

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MorphoBank Project 3874

Creation Date:
11 November 2020
Publication Date:
09 February 2022
Project views: 6940
Matrix downloads: 12

This research
supported by

Authors' Institutions

Harvard University

University of Cambridge

University of Lausanne

Members

Jo Wolfe
Project Administrator

125

124

5640
(2570, 0, 3070)

Stephen Pates
Full membership

0
(0, 0, 0)

Taxonomic Overview for Matrix 'M27079' (54 Taxa)

taxon	unscored cells	scored cells	no cell support	NPA cells	"-" cells	cell images	labels on cell images	member access
[1] Tubiluchus troglodytes Last Modified in 11/11/20	0	23	23	0	102	0	0	2
[2] † Cricocosmia jinningensis Last Modified in 11/11/20	12	24	24	0	89	0	0	2
[3] † Megadictyon haikouensis Last Modified in 11/11/20	26	34	34	0	65	0	0	2
[4] † Jianshanopodia decora Last Modified in 11/11/20	25	35	35	0	65	0	0	2
[5] † Hadranax augustus Last Modified in 11/11/20	55	23	23	0	47	0	0	2
[6] † Kerygmachela kierkegaardi Last Modified in 11/11/20	11	65	59	0	49	0	0	2
[7] † Pambdelurion whittingtoni Last Modified in 11/11/20	36	47	44	0	42	0	0	2
[8] † Utaurora comosa Last Modified in 01/10/22	48	29	29	0	48	0	0	2
[9] † Opabinia regalis Last Modified in 01/10/22	16	52	50	0	57	0	0	2
[10] † Aegirocassis benmoulae Last Modified in 11/11/20	30	64	62	0	31	0	0	2
[11] † Cambroraster falcatus Last Modified in 11/11/20	17	80	80	0	28	0	0	2
[12] † Hurdia triangulata Last Modified in 11/11/20	17	81	81	0	27	0	0	2
[13] † Hurdia victoria Last Modified in 11/11/20	17	81	81	0	27	0	0	2
[14] † Peytoia nathorsti Last Modified in 11/11/20	22	73	72	0	30	0	0	2
[15] † Schinderhannes bartelsi Last Modified in 11/11/20	75	45	45	0	5	0	0	2
[16] † Amplectobelua symbrachiata Last Modified in 11/11/20	23	76	76	0	26	0	0	2
[17] † Lyrarapax unguispinus Last Modified in 11/11/20	16	80	79	0	29	0	0	2
[18] † Anomalocaris canadensis Last Modified in 01/10/22	14	83	83	0	28	0	0	2
[19] † Houcaris saron Last Modified in 11/29/21	17	80	80	0	28	0	0	2
[20] † Fuxianhuia xiaoshibaensis Last Modified in 11/11/20	10	42	42	0	73	0	0	2
[21] † Chengjiangocaris kunmingensis Last Modified in 11/11/20	10	42	42	0	73	0	0	2
[22] † Leanchoilia superlata Last Modified in 11/11/20	15	34	33	0	77	0	0	2
[23] † Alalcomenaeus sp Last Modified in 11/11/20	7	40	40	0	78	0	0	2
[24] † Misszhouia longicaudata Last Modified in 11/11/20	14	40	40	0	71	0	0	2
[25] † Kuamaia lata Last Modified in 11/11/20	14	40	40	0	71	0	0	2
[26] Limulus polyphemus Last Modified in 01/10/22	1	46	46	0	78	0	0	2
[27] Triops cancriformis Last Modified in 01/10/22	1	48	48	0	76	0	0	2
[28] † Aysheaia pedunculata Last Modified in 11/11/20	14	43	43	0	68	0	0	2
[29] † Onychodictyon ferox Last Modified in 11/11/20	14	53	53	0	58	0	0	2
[30] † Onychodictyon gracilis Last Modified in 11/11/20	24	40	40	0	61	0	0	2
[31] † Diania cactiformis Last Modified in 11/11/20	20	41	41	0	64	0	0	2
[32] † Xenusion auerswaldae Last Modified in 11/11/20	32	32	32	0	61	0	0	2
[33] † Paucipodia inermis Last Modified in 11/11/20	16	36	36	0	73	0	0	2
[34] † Microdictyon sinicum Last Modified in 11/11/20	14	45	45	0	66	0	0	2
[35] † Cardiodictyon catenulum Last Modified in 11/11/20	22	43	43	0	60	0	0	2
[36] † Hallucigenia sparsa Last Modified in 11/11/20	19	41	41	0	65	0	0	2
[37] † Hallucigenia fortis Last Modified in 11/11/20	17	46	46	0	62	0	0	2
[38] † Hallucigenia hongmeia Last Modified in 11/11/20	47	30	30	0	48	0	0	2
[39] † Luolishania longicruris Last Modified in 11/11/20	17	51	51	0	57	0	0	2
[40] † Collinsium ciliosum Last Modified in 11/11/20	14	52	52	0	59	0	0	2
[41] † Collinsovermis monstruosus Last Modified in 11/11/20	55	26	26	0	44	0	0	2
[42] † Collins monster emu bay Last Modified in 11/11/20	48	35	35	0	42	0	0	2
[43] † Acinocricus stichus Last Modified in 11/11/20	55	28	28	0	42	0	0	2
[44] † Orstenotubulus evamuellerae Last Modified in 11/11/20	66	16	16	0	43	0	0	2
[45] † Antennacanthopodia gracilis Last Modified in 11/11/20	29	28	28	0	68	0	0	2
[46] † Tertiapatus dominicanus Last Modified in 11/11/20	28	30	30	0	67	0	0	2
[47] Euperipatoides sp Last Modified in 11/11/20	0	54	54	0	71	0	0	2
[48] Metaperipatus blainvillei Last Modified in 11/11/20	1	54	54	0	70	0	0	2
[49] Epiperipatus biolleyi Last Modified in 11/11/20	1	54	54	0	70	0	0	2
[50] Batillipes pennaki Last Modified in 11/11/20	3	55	55	0	67	0	0	2
[51] Echiniscus testudo Last Modified in 11/11/20	2	60	60	0	63	0	0	2
[52] Actinarctus doryphorus Last Modified in 11/11/20	4	58	58	0	63	0	0	2
[53] Macrobiotus cf. harmsworthi Last Modified in 01/10/22	0	56	56	0	69	0	0	2
[54] Hypsibius dujardini Last Modified in 01/10/22	0	56	56	0	69	0	0	2

Project views

type	number of views	Individual items viewed (where applicable)
Total project views	6940
Project overview	575
Matrix views	436	Matrix landing page (392 views); Matrix with proboscis coded as present (44 views);
Taxon list	3127
Media views	1346	Media search (1162 views); M736179 (184 views);
Views for media list	392
Specimen list	802
Bibliography	258
Documents list	4

Project downloads

type	number of downloads	Individual items downloaded (where applicable)
Total downloads from project	32
Matrix downloads	12	Matrix with proboscis coded as present (12 downloads);
Project downloads	20