Mainbrookia Adrain & Pérez-Peris 2021, n. gen.
Mainbrookia n. gen. Type species. Mainbrookia becki n. sp., from the Table Cove Formation (Darriwilian), western Newfoundland, Canada (Laurentia). Other species. Sphaerocoryphe akimbo Tripp, 1967, Stinchar Limestone Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valle...
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ftzenodo:oai:zenodo.org:5531901 2023-05-15T17:22:47+02:00 Mainbrookia Adrain & Pérez-Peris 2021, n. gen. Adrain, Jonathan M. Pérez-Peris, Francesc 2021-09-24 https://zenodo.org/record/5531901 https://doi.org/10.5281/zenodo.5531901 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/D97A87D4FF816C4DF9C6394E199DF956 doi:10.11646/zootaxa.5041.1.1 http://zenodo.org/record/5531880 http://publication.plazi.org/id/2543FFACFF8C6C40F9513A281D2AFFEB http://zoobank.org/5E82BE60-609F-4287-AC67-D86536FB7686 doi:10.5281/zenodo.5531900 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5531901 https://doi.org/10.5281/zenodo.5531901 oai:zenodo.org:5531901 info:eu-repo/semantics/openAccess Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada, pp. 1-73 in Zootaxa 5041(1) 14 Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Cheiruridae Mainbrookia info:eu-repo/semantics/other publication-taxonomictreatment 2021 ftzenodo https://doi.org/10.5281/zenodo.553190110.11646/zootaxa.5041.1.110.5281/zenodo.5531900 2023-03-10T15:01:34Z Mainbrookia n. gen. Type species. Mainbrookia becki n. sp., from the Table Cove Formation (Darriwilian), western Newfoundland, Canada (Laurentia). Other species. Sphaerocoryphe akimbo Tripp, 1967, Stinchar Limestone Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane); Sphaerocoryphe saba Tripp, 1962, Confinis Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane). In addition, provisionally assigned are remaining poorly known Laurentian-affinity forms from the Darriwilian. From the Confinis Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane): Sphaerocoryphe sp. A of Tripp (1962, p. 21), Sphaerocoryphe sp. B of Tripp (1962, p. 22), Sphaerocoryphe sp. C of Tripp (1962, p. 22). From the Stinchar Limestone Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane): Sphaerocoryphe sp. A of Tripp (1967, p. 66), Sphaerocoryphe sp. B of Tripp (1967, p. 66), Sphaerocoryphe sp. of Tripp (1979, p. 350). Etymology. After the town of Main Brook, which is near to the locality from which the type species was collected. Gender is feminine. Diagnosis. Cranidial fixigenal lateral border spine present; pygidium with three axial rings and three pairs of spines, first pair large, elongate, and dorsally produced. Discussion. The assigned Scottish species are somewhat difficult to fully interpret, as they are all based on coarsely preserved internal mold material illustrated with very small photographs. Nevertheless, M. akimbo has a pygidium with essentially the same morphology as that of M. becki (Tripp, 1967, pl. 4, figs 8, 9) and it definitely has a fixigenal lateral border spine (Tripp, 1967, pl. 4, fig. 4). Mainbrookia saba is not known from the pygidium, but definitely has a fixigenal lateral border spine (Tripp, 1962, pl. 3, fig. 11). The remaining open nomenclature Darriwilian Scottish species are largely scraps that lack evidence of diagnostic features. We assign ... Other/Unknown Material Newfoundland Zenodo Canada Midland ENVELOPE(8.224,8.224,63.072,63.072) Saba ENVELOPE(149.417,149.417,66.617,66.617) Main Brook ENVELOPE(-56.782,-56.782,49.533,49.533) Tripp ENVELOPE(166.883,166.883,-83.283,-83.283) Table Cove ENVELOPE(-57.532,-57.532,50.350,50.350) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Cheiruridae Mainbrookia |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Cheiruridae Mainbrookia Adrain, Jonathan M. Pérez-Peris, Francesc Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Cheiruridae Mainbrookia |
description |
Mainbrookia n. gen. Type species. Mainbrookia becki n. sp., from the Table Cove Formation (Darriwilian), western Newfoundland, Canada (Laurentia). Other species. Sphaerocoryphe akimbo Tripp, 1967, Stinchar Limestone Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane); Sphaerocoryphe saba Tripp, 1962, Confinis Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane). In addition, provisionally assigned are remaining poorly known Laurentian-affinity forms from the Darriwilian. From the Confinis Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane): Sphaerocoryphe sp. A of Tripp (1962, p. 21), Sphaerocoryphe sp. B of Tripp (1962, p. 22), Sphaerocoryphe sp. C of Tripp (1962, p. 22). From the Stinchar Limestone Formation (Darriwilian), South Ayrshire, Scotland (Laurentian-affinity Midland Valley Terrane): Sphaerocoryphe sp. A of Tripp (1967, p. 66), Sphaerocoryphe sp. B of Tripp (1967, p. 66), Sphaerocoryphe sp. of Tripp (1979, p. 350). Etymology. After the town of Main Brook, which is near to the locality from which the type species was collected. Gender is feminine. Diagnosis. Cranidial fixigenal lateral border spine present; pygidium with three axial rings and three pairs of spines, first pair large, elongate, and dorsally produced. Discussion. The assigned Scottish species are somewhat difficult to fully interpret, as they are all based on coarsely preserved internal mold material illustrated with very small photographs. Nevertheless, M. akimbo has a pygidium with essentially the same morphology as that of M. becki (Tripp, 1967, pl. 4, figs 8, 9) and it definitely has a fixigenal lateral border spine (Tripp, 1967, pl. 4, fig. 4). Mainbrookia saba is not known from the pygidium, but definitely has a fixigenal lateral border spine (Tripp, 1962, pl. 3, fig. 11). The remaining open nomenclature Darriwilian Scottish species are largely scraps that lack evidence of diagnostic features. We assign ... |
format |
Other/Unknown Material |
author |
Adrain, Jonathan M. Pérez-Peris, Francesc |
author_facet |
Adrain, Jonathan M. Pérez-Peris, Francesc |
author_sort |
Adrain, Jonathan M. |
title |
Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
title_short |
Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
title_full |
Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
title_fullStr |
Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
title_full_unstemmed |
Mainbrookia Adrain & Pérez-Peris 2021, n. gen. |
title_sort |
mainbrookia adrain & pérez-peris 2021, n. gen. |
publishDate |
2021 |
url |
https://zenodo.org/record/5531901 https://doi.org/10.5281/zenodo.5531901 |
long_lat |
ENVELOPE(8.224,8.224,63.072,63.072) ENVELOPE(149.417,149.417,66.617,66.617) ENVELOPE(-56.782,-56.782,49.533,49.533) ENVELOPE(166.883,166.883,-83.283,-83.283) ENVELOPE(-57.532,-57.532,50.350,50.350) |
geographic |
Canada Midland Saba Main Brook Tripp Table Cove |
geographic_facet |
Canada Midland Saba Main Brook Tripp Table Cove |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Middle Ordovician (Darriwilian) cheirurid trilobites from the Table Cove Formation, western Newfoundland, Canada, pp. 1-73 in Zootaxa 5041(1) 14 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/D97A87D4FF816C4DF9C6394E199DF956 doi:10.11646/zootaxa.5041.1.1 http://zenodo.org/record/5531880 http://publication.plazi.org/id/2543FFACFF8C6C40F9513A281D2AFFEB http://zoobank.org/5E82BE60-609F-4287-AC67-D86536FB7686 doi:10.5281/zenodo.5531900 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5531901 https://doi.org/10.5281/zenodo.5531901 oai:zenodo.org:5531901 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.553190110.11646/zootaxa.5041.1.110.5281/zenodo.5531900 |
_version_ |
1766109656375099392 |