Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting
Gastropods from the Upper Ordovician of the Argentine Precordillera received less attention than other coeval marine invertebrates in this region. The present contribution supplies accurate taxonomic information recovering 10 gastropod genera which are represented by 10 species from the La Pola and...
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Institute of Paleobiology PAS
2024-12-01
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| Series: | Acta Palaeontologica Polonica |
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| Online Access: | https://www.app.pan.pl/archive/published/app69/app012082024.pdf |
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| author | Mariel Ferrari Verónica Bertero Marcelo G. Carrera |
| author_facet | Mariel Ferrari Verónica Bertero Marcelo G. Carrera |
| author_sort | Mariel Ferrari |
| collection | DOAJ |
| description | Gastropods from the Upper Ordovician of the Argentine Precordillera received less attention than other coeval marine invertebrates in this region. The present contribution supplies accurate taxonomic information recovering 10 gastropod genera which are represented by 10 species from the La Pola and Don Braulio formations (Sandbian and Hirnantian units, respectively) at the San Juan Province, Argentina: two species, namely Tetranota argentina sp. nov. and Clathrospira gondwanica sp. nov., are new to science. The gastropod association shows a remarkable diversity, and in contrast to other invertebrate groups reported in the Argentine Precordillera (e.g., trilobites, ostracodes, brachiopods, sponges, and bivalves) which had Gondwanan affinities during the Late Ordovician, the gastropod assemblage from the La Pola and Don Braulio formations had major palaeobiogeographical similarities with their Northern Hemisphere (Laurentia, Avalonia, and Baltica) counterparts. The occurrence of the genus Clathrospira suggests that it could have been the first precursor of the order Pleurotomariida in South America during the Sandbian–Hirnantian, and can help to shed light on the origin of this clade in the southernmost Gondwana continent as early as Palaeozoic times. |
| format | Article |
| id | doaj-art-1d5c1a85f7ad480fb7f6b13532f0099d |
| institution | Kabale University |
| issn | 1732-2421 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Institute of Paleobiology PAS |
| record_format | Article |
| series | Acta Palaeontologica Polonica |
| spelling | doaj-art-1d5c1a85f7ad480fb7f6b13532f0099d2025-01-15T14:01:27ZengInstitute of Paleobiology PASActa Palaeontologica Polonica1732-24212024-12-0169474776710.4202/app.01208.2024Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal settingMariel Ferrari0Verónica Bertero1Marcelo G. Carrera2Instituto Patagónico de Geología y Paleontología, IPGP (CCT CONICET-CENPAT), Boulevard Alte. Brown 2915, (9120), Puerto Madryn, Chubut, Argentina.Dirección Nacional de Conservación, Administración Parques Nacionales (Dir. Regional Centro)-Córdoba, Argentina.acultad de Ciencias Exactas, Físicas y Naturales, Av. Vélez Sarsfield 1699, X5016GCA, Córdoba, ArgentinaGastropods from the Upper Ordovician of the Argentine Precordillera received less attention than other coeval marine invertebrates in this region. The present contribution supplies accurate taxonomic information recovering 10 gastropod genera which are represented by 10 species from the La Pola and Don Braulio formations (Sandbian and Hirnantian units, respectively) at the San Juan Province, Argentina: two species, namely Tetranota argentina sp. nov. and Clathrospira gondwanica sp. nov., are new to science. The gastropod association shows a remarkable diversity, and in contrast to other invertebrate groups reported in the Argentine Precordillera (e.g., trilobites, ostracodes, brachiopods, sponges, and bivalves) which had Gondwanan affinities during the Late Ordovician, the gastropod assemblage from the La Pola and Don Braulio formations had major palaeobiogeographical similarities with their Northern Hemisphere (Laurentia, Avalonia, and Baltica) counterparts. The occurrence of the genus Clathrospira suggests that it could have been the first precursor of the order Pleurotomariida in South America during the Sandbian–Hirnantian, and can help to shed light on the origin of this clade in the southernmost Gondwana continent as early as Palaeozoic times.https://www.app.pan.pl/archive/published/app69/app012082024.pdfgastropodasystematicspalaeobiogeographyargentine precordilleralate ordovician |
| spellingShingle | Mariel Ferrari Verónica Bertero Marcelo G. Carrera Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting Acta Palaeontologica Polonica gastropoda systematics palaeobiogeography argentine precordillera late ordovician |
| title | Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting |
| title_full | Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting |
| title_fullStr | Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting |
| title_full_unstemmed | Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting |
| title_short | Late Ordovician (Sandbian–Hirnantian) marine gastropods from the Argentine Precordillera: their biogeographical significance in a middle to high latitudinal setting |
| title_sort | late ordovician sandbian hirnantian marine gastropods from the argentine precordillera their biogeographical significance in a middle to high latitudinal setting |
| topic | gastropoda systematics palaeobiogeography argentine precordillera late ordovician |
| url | https://www.app.pan.pl/archive/published/app69/app012082024.pdf |
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