Josefina Carlorosi

Consejo Nacional de Investigaciones Científicas y Técnicas

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Susana Heredia

National University of San Juan

Guillermo F. Aceñolaza

National University of Tucumán

J. C. Gutiérrez-Marco

Universidad Complutense de Madrid

Graciela N. Sarmiento

Universidad Complutense de Madrid

Florencio Gilberto Aceñolaza

National University of Tucumán

César Augusto Chacaltana Budiel

Instituto Geológico Minero y Metalúrgico

Ana Mestre

Hospital Dr. Nélio Mendonça

Isabel Rábano

Instituto Geológico y Minero de España

M. Franco Tortello

Universidad Nacional de La Plata

Susana B. Esteban

National University of Tucumán

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Consejo Nacional de Investigaciones Científicas y Técnicas

Universidad Complutense de Madrid

Centro Científico Tecnológico - Tucumán

Fundación Miguel Lillo

National University of Tucumán

Instituto Geológico y Minero de España

Instituto de Geociencias

Instituto Geológico Minero y Metalúrgico

National University of San Juan

University of Adelaide

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The Cononodont Trapezognathus Diprion (Lindström) in the Acoite Formation, Eastern Cordillera, Northwestern Argentina

Josefina Carlorosi Susana Heredia

Fil: Carlorosi, Josefina Maria Teresa. Universidad Nacional de Tucuman; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Tucuman. Instituto Superior de Correlacion Geologica; Argentina

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Condorodus n. gen., a new Ordovician conodont genus from Argentina: origin, evolution and dispersal through the western margin of Gondwana

Comptes Rendus Palevol (2022)

Josefina Carlorosi Ana Mestre Susana Heredia

Ordovician conodont collections from several Argentinian basins including the Eastern Cordillera, Famatina and Precordillera allow recognition of a group of conodonts that comprise a new genus here named Condorodus n. gen. Species of this genus have an apparatus composed of six elements recovered so far: Pa, Pb, Sb1, Sb2, Sc and Sd. The differences mainly between the P elements support recognizing three species, from the older to younger: C. diablensis n. gen., n. sp., C. gracielae n. gen., n. sp. and C. chilcaensis n. gen., n. sp., that appeared in the upper Floian (Lower Ordovician) and vanished in middle Darriwilian time (Middle Ordovician). The Eastern Cordillera is here assumed as the place of origin of the Condorodus n. gen. lineage during the late Floian, and then this genus dispersed through the western margin of Gondwana, reaching the Precordillera in the early Darriwilian, from there it could have dispersed to different regions of Gondwana, Perigondwana and Laurentia during the late Darriwilian, and probably give rise to conodont apparatuses of similar morphology in the Late Ordovician.

Conodont

Laurentia

Baltica

10.5852/cr-palevol2022v21a34

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Fósiles ordovícicos del Dominio de Obejo-Valsequillo (Complejo de Ossa Morena, Zona Galicia-Ossa Morena), suroeste de España

Geotemas ( Madrid ) (2016)

J. C. Gutiérrez-Marco Saturnino Lorenzo Álvarez Isabel Rábano Graciela N. Sarmiento Josefina Carlorosi

Se actualiza el registro paleontologico del Ordovicico (trilobites, graptolitos, braquiopodos, equinodermos, moluscos, conodontos) en el Dominio de Obejo-Valsequillo) representado en cinco localidades fosiliferas. Dos de ellas (sur de Alcaracejos y noreste de Belmez) corresponden a la llamada “Unidad Parautoctona” y las tres restantes (Campillo de Llerena, Villaharta y oeste de Adamuz) a las “Unidades Aloctonas”. Las asociaciones paleontologicas guardan ciertas semejanzas con las de la Zona Centroiberica pero representan retazos de una plataforma marina de gradiente opuesto a la surcentroiberica (profundizacion hacia el sur y suroeste vs. profundizacion hacia el norte y noreste). Ello implica grandes desplazamientos, congruentes con el modelo aloctono de la nueva Zona Galicia-Ossa Morena, tal vez en continuidad paleogeografica hacia el noroeste con el Autoctono del suroeste de Iberia.

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Conodontos ordovícicos del Perú

Instituto Geológico, Minero y Metalúrgico – INGEMMET (2013)

Josefina Carlorosi Graciela N. Sarmiento J. C. Gutiérrez-Marco César Augusto Chacaltana Budiel Víctor Santiago Carlotto Caillaux

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La Zona de Trapezognathus diprion en la "Formación Sepulturas", Espinazo del Diablo, Cordillera Oriental Argentina

Serie Correlación geológica/Serie correlación geológica (2011)

Josefina Carlorosi

THE TRAPEZOGNATHUS DIPRION ZONE IN THE SEPULTURAS FORMATION OF ESPINAZO DEL DIABLO , CORDILLERA ORIENTAL, ARGENTINA.For the first time is reconized the Trapezognathus diprion Zone in the Sepulturas Formation at the Espinazo del Diablo area, the asociation is complete with: Gothodus costulatus, Drepanoistodus pitjanti, Drepanoistodus basiovalis, Drepanodus arcuatus, Oistodus sp among others. This finding allows recording an upper Floian age for the Sepulturas Formation cropping out at the Espinazo del Diablo. Furthermore, the presence of Trapezognathus diprion allows to recognize for Andean Basin affinities with the Atlantic Realm, Temperate Domain. Resumen: LA ZONA DE TRAPEZOGNATHUS DIPRION EN LA FORMACION SEPULTURAS , ESPINAZO DEL DIABLO, CORDILLERA ORIENTAL ARGENTINA.Se registra por vez primera la Zona de Trapezognathus diprion en los estratos de la Formacion Sepulturas en el Espinazo del Diablo, las especies acompanantes son: Gothodus costulatus, Drepanoistodus pitjanti, Drepanoistodus basiovalis, Drepanodus arcuatus, Oistodus sp. entre otros. Este hallazgo permite determinar una edad floiana superior para la Formacion Sepulturas en el Espinazo del Diablo. A su vez la presencia de Trapezognathus diprion permite reconocer para la cuenca Andina una afinidad con el Reino Atlantico, Dominio Templado.

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The Ordovician conodont Trapezognathus Lindström, 1955 in the Andean Basin, Argentina

Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen (2013)

Josefina Carlorosi Susana Heredia

The central Andean basin is characterized by the presence of Ordovician deposits, distributed mainly in Northwestern Argentina.Conodonts from the Lower and Middle Ordovician were recovered from several outcrops from the Trapezognathus diprion Zone, Baltoniodus cf.B. triangularis, Baltoniodus triangularis Zone, and among them the genus Trapezognathus is highlighted.This paper describes and illustrates two species of this genus: T. diprion (Lindström) and T. quadrangulum Lindström.In addition we report that the conodont association suggests faunal affinity with Baltica and South China.

Conodont

Tarim basin

10.1127/0077-7749/2013/0311

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TRAZAS FÓSILES Y CONODONTES EN EL ORDOVÍCICO DEL FLANCO OCCIDENTAL DE LA CUESTA DE LIPÁN, DEPARTAMENTO PURMAMARCA, JUJUY

Revista de la Asociación Geológica Argentina (2010)

Florencio Gilberto Aceñolaza Josefina Carlorosi Susana Heredia

Trace fossils and conodonts in the western slope of the Cuesta de Lipan, Purmamarca Departament, Jujuy. Recent field works on the Lipan area provided Phycodes flabellum ichnofossil, this represent the first mention of this trace in Argentina and South America. This index species appears associated with conodonts. Erismodus cf. quadridactylus is the most representative species among the recovered conodonts and it is the only autochthonous conodont in the assemblage. E. cf. quadridactylus determines the age of the outcrop as well the icnoespecie Phycodes flabellum as late Darriwillian/early Sandbian.

Conodont

Outcrop

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Middle Ordovician (early Dapingian) conodonts in the Central Andean Basin of NW Argentina

Alcheringa An Australasian Journal of Palaeontology (2013)

Josefina Carlorosi Susana Heredia Guillermo F. Aceñolaza

Abstract Carlorosi, J., Heredia, S. & Aceñolaza, G, 2013. Middle Ordovician (early Dapingian) conodonts in the Central Andean Basin of NW Argentina. Alcheringa 37, 1–13. ISSN 0311-5518. This paper describes and analyzes the significance of a conodont fauna from the Alto del Cóndor Formation, exposed in the Los Colorados region of the Argentine Eastern Cordillera. Identified taxa are Baltoniodus triangularis, Baltoniodus sp. cf. B. triangularis, Drepanodus sp., Drepanoistodus basiovalis, Drepanoistodus sp. B., Erraticodon patu, Gothodus costulatus, Oistodus sp., Trapezognathus diprion, T. quadrangulum, Triangulodus sp. and Triangulodus? sp. The presence of Baltoniodus triangularis indicates the base of the Dapingian stage (Middle Ordovician). In addition, we report the coexistence of T. diprion and T. quadrangulum. The conodont association suggests a faunal affinity with Baltica and South China, both belonging to the Shallow-Sea Realm of the Temperate-Cold Domain. Josefina Carlorosi [josefinacarlorosi77@gmail]com], INSUGEO—Universidad Nacional de Tucumán—CONICET, Miguel Lillo 205, (4000) Tucumán, Argentina; Guillermo F. Aceñolaza [acecha@webmail.unt.edu.ar], Universidad Nacional de Tucumán—CONICET, Miguel Lillo 205, (4000) Tucumán, Argentina; Susana Heredia [sheredia@unsj.edu.ar], CONICET–CIGEOBIO and Instituto de Investigaciones Mineras, Facultad de Ingeniería, Universidad Nacional de San Juan, Urquiza y Libertador, (5400) San Juan, Argentina. Received 22.8.2012; revised 18.10.2012; accepted 24.10.12. 阿根廷西北部中安第斯盆地的中奥陶世(Dapingian早期)牙行刺本文描述并分析了出露于阿根廷Eastern Cordillera的Los Colorados地区的Alto del Cóndor组的牙行刺动物群的意义。所鉴定的分类群是:Baltoniodus triangularis、 Baltoniodus sp. cf. B. triangularis、Drepanodus sp.、Drepanoistodus basiovalis、Drepanoistodus sp. B.、Erraticodon patu、Gothodus costulatus、Oistodus sp.、Rapezognathus diprion、T. quadrangulum、Triangulodus sp. 以及Triangulodus?sp.。Baltoniodus triangularis的存在标示Dapingian阶之底(中奥陶世)。另外,我们报道T. diprion 和T. quadrangulum共存。牙行刺组合表现出波罗的海动物群和华南动物群之间的亲缘关系,两个地区都属温暖-寒冷地域的浅海区。 Key words: DapingianconodontsCentral Andean BasinNW Argentina Acknowledgements The authors express their thanks to the Argentine Research Council (CONICET) and CONICET's technician Mercedes González for her laboratory work. Special thanks to the reviewers for improving the original manuscript. This work has benefited from financial support of projects CGL2009-09583 (Ministerio de Ciencia e Innovación, Spain) and CIUNT-26-G401/2 (UNT, Argentina).

Conodont

Baltica

10.1080/03115518.2013.744240

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Middle Ordovician conodont biostratigraphy and paleobiogeography from the Suri formation at the Chaschuil region (Famatina System, NW Argentina)

Journal of South American Earth Sciences (2023)

Josefina Carlorosi Susana Heredia Guillermo F. Aceñolaza

Conodont

10.1016/j.jsames.2023.104447

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