A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina
Ordovician cephalopods from Western Gondwana are still poorly known and published data is in need of systematic and stratigraphical revision. In this work, the endocerid proterocameroceratid Protocyptendoceras from the Floian of the Eastern Cordillera of Argentina is revised using new material from...
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2009
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05677920_v54_n1_p99_Cichowolski http://hdl.handle.net/20.500.12110/paper_05677920_v54_n1_p99_Cichowolski |
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paper:paper_05677920_v54_n1_p99_Cichowolski2023-06-08T15:42:38Z A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina Argentina Cephalopoda Eastern Cordillera Endocerida Floian Ordovician Proterocameroceratidae cephalopod Gondwana Ordovician paleobiogeography stratigraphy taxonomy Andes Cordillera Oriental [Andes] South America Cephalopoda Ordovician cephalopods from Western Gondwana are still poorly known and published data is in need of systematic and stratigraphical revision. In this work, the endocerid proterocameroceratid Protocyptendoceras from the Floian of the Eastern Cordillera of Argentina is revised using new material from La Ciénaga, 5 km upstream from Purmamarca. The species P. corvalani and P. teicherti are considered to be junior synonyms of P. fuenzalidae, which is redescribed in detail and reillustrated. Specimens preserve adapical parts of isolated siphuncles, related here to the presence of endocones in a posterior portion. Evidently P. fuenzalidae had a nektobenthic mode of life in a shallow water environment, oriented horizontally. Its palaeobiogeographical affinities are mainly with Floian proterocameroceratids from Eastern Gondwana, such as Anthoceras decorum and the related genera Lobendoceras, Ventroloboceras, and Notocycloceras. 2009 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05677920_v54_n1_p99_Cichowolski http://hdl.handle.net/20.500.12110/paper_05677920_v54_n1_p99_Cichowolski |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Argentina Cephalopoda Eastern Cordillera Endocerida Floian Ordovician Proterocameroceratidae cephalopod Gondwana Ordovician paleobiogeography stratigraphy taxonomy Andes Cordillera Oriental [Andes] South America Cephalopoda |
| spellingShingle |
Argentina Cephalopoda Eastern Cordillera Endocerida Floian Ordovician Proterocameroceratidae cephalopod Gondwana Ordovician paleobiogeography stratigraphy taxonomy Andes Cordillera Oriental [Andes] South America Cephalopoda A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| topic_facet |
Argentina Cephalopoda Eastern Cordillera Endocerida Floian Ordovician Proterocameroceratidae cephalopod Gondwana Ordovician paleobiogeography stratigraphy taxonomy Andes Cordillera Oriental [Andes] South America Cephalopoda |
| description |
Ordovician cephalopods from Western Gondwana are still poorly known and published data is in need of systematic and stratigraphical revision. In this work, the endocerid proterocameroceratid Protocyptendoceras from the Floian of the Eastern Cordillera of Argentina is revised using new material from La Ciénaga, 5 km upstream from Purmamarca. The species P. corvalani and P. teicherti are considered to be junior synonyms of P. fuenzalidae, which is redescribed in detail and reillustrated. Specimens preserve adapical parts of isolated siphuncles, related here to the presence of endocones in a posterior portion. Evidently P. fuenzalidae had a nektobenthic mode of life in a shallow water environment, oriented horizontally. Its palaeobiogeographical affinities are mainly with Floian proterocameroceratids from Eastern Gondwana, such as Anthoceras decorum and the related genera Lobendoceras, Ventroloboceras, and Notocycloceras. |
| title |
A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| title_short |
A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| title_full |
A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| title_fullStr |
A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| title_full_unstemmed |
A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina |
| title_sort |
review of the endocerid cephalopod protocyptendoceras from the floian (lower ordovician) of the eastern cordillera, argentina |
| publishDate |
2009 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05677920_v54_n1_p99_Cichowolski http://hdl.handle.net/20.500.12110/paper_05677920_v54_n1_p99_Cichowolski |
| _version_ |
1768544963031728128 |