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Ptychoglyptus
Taxonomy
Ptychoglyptus was named by Willard (1928).
It was assigned to Strophomenida by Sepkoski (2002); and to Ptychoglyptinae by Williams et al. (2000), Cocks (2005), Cocks (2010).
It was assigned to Strophomenida by Sepkoski (2002); and to Ptychoglyptinae by Williams et al. (2000), Cocks (2005), Cocks (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Ptychoglyptus Willard |
| 2000 | Ptychoglyptus Williams et al. p. 347 |
| 2002 | Ptychoglyptus Sepkoski |
| 2005 | Ptychoglyptus Cocks p. 277 |
| 2010 | Ptychoglyptus Cocks |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Ptychoglyptus Willard 1928
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†Ptychoglyptus alaensis Rasmussen et al. 2012
†Ptychoglyptus bellarugosus Schuchert and Cooper 1930
†Ptychoglyptus ingenuus Cocks 2005
†Ptychoglyptus irregularis Reed 1940
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Invalid names: Ptychoglyptus valdari Spjeldnaes 1957 [synonym]
†Ptychoglyptus pauciradiatus Reed 1932
†Ptychoglyptus virginensis Willard 1928
†Ptychoglyptus virginiensis Willard 1928
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Invalid names: Ptychoglyptus pulchrus Butts 1926 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Rawtheyan or 468.00000 to 445.20000 Ma
Collections (51 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | USA (Alabama) | P. virginiensis (162364) | |
| Early/Lower Llanvirn | Norway | P. sp. (185943) | |
| Llandeilo | Mongolia | P. virginensis (45985) | |
| Llandeilo | United Kingdom (Scotland) | P. virginiensis (164928 164931 164937) | |
| Costonian - Harnagian | Argentina | P. sp. (9033) | |
| Soudleyan | Ireland (Leinster) | P. sp. (55684) | |
| Soudleyan - Marshbrookian | Norway | P. sp. (2945) | |
| Caradoc | USA (Virginia) | P. sp. (326 327 33934 33935 33936 33937 34172 34173 34174 34175 34176 76337) | |
| Turinian | USA (Virginia) | P. virginiensis (76336) | |
| Ashbyan | USA (Virginia) | P. sp. (6674 33938 33980 33981 33982 33983 33984) P. virginiensis (164296) | |
| Ashbyan | USA (Alaska) | P. pauciradiatus, P. alaensis (164853) | |
| Rocklandian | USA (Virginia) | P. sp. (6355) | |
| Haljala - Keila | Norway (Asker) | P. valdari (191107 194667) | |
| Haljala - Keila | Norway (Baerum) | P. sp. (191117) | |
| Burrellian | United Kingdom (Wales) | P. sp. (173807) | |
| Burrellian | United Kingdom (Scotland) | P. pauciradiatus (78001) P. valdari (165038 165043 165047) | |
| Onnian | United Kingdom (England) | P. sp. (43723) | |
| Katian - Hirnantian | Sweden (Dalarne) | P. ingenuus (73413) | |
| Edenian | USA (Pennsylvania) | P. virginensis (34895) | |
| Kralodvorian | Spain (Zaragoza) | P. sp. (21057) | |
| Richmondian - Gamachian | Canada (Quebec) | P. bellarugosus (37790) | |
| Ashgill | Canada (Quebec) | P. sp. (12062) | |
| Ashgill | Norway (Trondheim) | P. sp. (55724) | |
| Pirgu - Porkuni | Sweden (Dalarne) | P. ingenuus (73462) | |
| Ashgill - Llandovery | Canada (Québec) | P. sp. (24454) | |
| Rawtheyan | Belgium | P. sp. (185304 185315) |