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Project 541: Lamsdell, J. C., S. J. Braddy, E. J. Loeffler,and D. L. Dineley. 2010. Early Devonian stylonurine eurypterids from Arctic Canada. Canadian Journal of Earth Sciences. 47 (11):1404-1415.

Specimen: †Pagea plotnicki (CMN/53570)

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Abstract

Two new stylonurine eurypterids are described from the Peel Sound Formation (Early Devonian, Lochkovian) of the northern coast of Prince of Wales Island, Nunavut, Arctic Canada. Associations including pteraspids and ostracodes indicate a fluvial depositional environment. An almost complete stylonurid, Pagea plotnicki sp. nov., is recognized by its large size and lack of vaulting on the carapace, and it provides evidence that Stylonurus and Pagea are sister-taxa. Also, a smaller incomplete rhenopterid assigned to Leiopterella tetliei gen. et sp. nov., is characterized by its broad turbinate carapace and lack of cuticular sculpture. This assemblage provides the first Canadian record of Pagea, and the youngest occurrence of a rhenopterid outside the Rheno-Hercynian Terrane, indicating that these taxa were more geographically widespread than previously supposed.

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This project contains	Matrices
1 Media 1 Matrix 1 Document 33 Taxa 1 Specimen 71 Characters Total size of project's media files: 2 MB	Total scored cells: 1766 Total media associated with cells: 0 Total labels associated with cell media: 0
	Characters
	Total characters: 71 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 143 Total character states with associated media: 0 Total character states with media with labels:0

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MorphoBank Project 541

Creation Date:
27 June 2011
Publication Date:
15 August 2011
Project views: 3278
Project downloads: 47

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Members

James Lamsdell
Project Administrator

Last logged in 09/05/11

1766
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Natalie Milbrodt
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Last logged in 02/20/12

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Taxonomic Overview for Matrix 'M1285' (33 Taxa)

taxon	unscored cells	scored cells	cell support	NPA cells	"-" cells	cell images	labels on cell images	member access
[1] †Weinbergina opitzi Last Modified in 08/15/11	1	64	0	0	6	0	0	2
[2] †Alkenopterus brevitelson Last Modified in 08/15/11	18	50	0	0	3	0	0	2
[3] †Brachyopterella pentagonalis Last Modified in 08/15/11	21	45	0	0	5	0	0	2
[4] †Brachyopterus stubblefieldi Last Modified in 08/15/11	11	56	0	0	4	0	0	2
[5] †Ctenopterus cestrotus Last Modified in 08/15/11	15	53	0	0	3	0	0	2
[6] †Cyrtoctenus wittebergensis Last Modified in 08/15/11	19	52	0	0	0	0	0	2
[7] †Drepanopterus abonensis Last Modified in 08/15/11	0	64	0	0	7	0	0	2
[8] †Drepanopterus ? bembycoides Last Modified in 08/15/11	11	58	0	0	2	0	0	2
[9] †Drepanopterus pentlandicus Last Modified in 08/15/11	18	47	0	0	6	0	0	2
[10] †Hallipterus excelsior Last Modified in 08/15/11	42	29	0	0	0	0	0	2
[11] †Hardieopterus macrophthalmus Last Modified in 08/15/11	11	57	0	0	3	0	0	2
[12] †Hibbertopterus scouleri Last Modified in 08/15/11	7	60	0	0	4	0	0	2
[13] †Kiaeropterus cyclophthalmus Last Modified in 08/15/11	27	41	0	0	3	0	0	2
[14] †Kokomopterus longicaudatus Last Modified in 08/15/11	11	58	0	0	2	0	0	2
[15] †Lamontopterus knoxae Last Modified in 08/15/11	29	40	0	0	2	0	0	2
[16] †Laurieipterus elegans Last Modified in 08/15/11	10	58	0	0	3	0	0	2
[17] †Megarachne servinei Last Modified in 08/15/11	33	35	0	0	3	0	0	2
[18] †Moselopterus ancylotelson Last Modified in 08/15/11	5	64	0	0	2	0	0	2
[19] †Mycterops matthieui Last Modified in 08/15/11	52	19	0	0	0	0	0	2
[20] †Pagea sturrocki Last Modified in 08/15/11	7	60	0	0	4	0	0	2
[21] †Parastylonurus ornatus Last Modified in 08/15/11	1	66	0	0	4	0	0	2
[22] †Rhenopterus diensti Last Modified in 08/15/11	0	64	0	0	7	0	0	2
[23] †Stylonurella spinipes Last Modified in 08/15/11	12	55	0	0	4	0	0	2
[24] †Stylonurus powriensis Last Modified in 08/15/11	20	48	0	0	3	0	0	2
[25] †Tarsopterella scotica Last Modified in 08/15/11	32	39	0	0	0	0	0	2
[26] †Vinetopterus struvei Last Modified in 08/15/11	23	48	0	0	0	0	0	2
[27] †Woodwardopterus scabrosus Last Modified in 08/15/11	25	41	0	0	5	0	0	2
[28] †Eurypterus remipes Last Modified in 08/15/11	1	67	0	0	3	0	0	2
[29] †Hughmilleria socialis Last Modified in 08/15/11	1	69	0	0	1	0	0	2
[30] †Onychopterella augusti Last Modified in 08/15/11	14	56	0	0	1	0	0	2
[31] †Pagea plotnicki Last Modified in 08/15/11	23	47	0	0	1	0	0	2
[32] †Leiopterella tetliei Last Modified in 08/15/11	32	37	0	0	2	0	0	2
[33] †Pagea symondsii Last Modified in 08/15/11	45	25	0	0	1	0	0	2

Project views

type	number of views	Individual items viewed (where applicable)
Total project views	3278
Taxon list	1512
Project overview	349
Matrix views	169	Matrix landing page (149 views); Early Devonian stylonurine eurypterids from Arctic Canada (20 views);
Media views	625	Media search (515 views); M89570 (110 views);
Specimen list	326
Bibliography	167
Documents list	130

Project downloads

type	number of downloads	Individual items downloaded (where applicable)
Total downloads from project	47
Media downloads	22	M89570 (22 downloads);
Document downloads	2	Copyright information for exemplar media (2 downloads);
Project downloads	21
Matrix downloads	2	Early Devonian stylonurine eurypterids from Arctic Canada (2 downloads);

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