The first benthic insects (Ephemeroptera and Coleoptera) from the Upper Cretaceous of Colombia

Andrés Alfonso-Rojas; Edwin Alberto Cadena

doi:10.1016/j.cretres.2021.105116

The first benthic insects (Ephemeroptera and Coleoptera) from the Upper Cretaceous of Colombia

Título traducido de la contribución: Los primeros insectos bentónicos (Ephemeroptera y Coleoptera) del Cretácico Superior de Colombia

Andrés Alfonso-Rojas
, Edwin Alberto Cadena

Paleontología Neotropical Tradicional y Molecular

Producción científica: Contribución a revista › Artículo de Investigación › revisión exhaustiva

2 Citas (Scopus)

Resumen

El registro fósil de insectos del Cretácico Superior en el norte de América del Sur es casi desconocido. Aquí describimos dos insectos fósiles de la Formación Chipaque (Cenomaniano Santoniense), del centro de Colombia, que representan el primer registro fósil de artrópodos para el Cretácico Superior de Colombia, y el primer registro fósil de una efímera y un escarabajo para el norte de Sudamérica. Aunque los especímenes carecen de características anatómicas clave para una identificación taxonómica de alta resolución, pudimos atribuir uno de los especímenes a Ephemeroptera y un segundo espécimen a Coleoptera. Este hallazgo de fósiles abre la posibilidad de futuros descubrimientos de fósiles de insectos adicionales en secuencias de rocas del norte de América del Sur que podrían llenar el extenso vacío que existe en este campo paleontológico.

Título traducido de la contribución	Los primeros insectos bentónicos (Ephemeroptera y Coleoptera) del Cretácico Superior de Colombia
Idioma original	Inglés estadounidense
Número de artículo	105116
Páginas (desde-hasta)	1
Número de páginas	6
Publicación	Cretaceous Research
Volumen	132
N.º	N/A
DOI	https://doi.org/10.1016/j.cretres.2021.105116
Estado	Publicación electrónica previa a su impresión - dic. 10 2021

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abstract = "The Upper Cretaceous fossil record of insects in northern South America is almost unknown. Here we describe two fossil insects from the Chipaque Formation of (Cenomanian–Santonian), from central Colombia, representing the first report of fossil arthropods for the Upper Cretaceous of Colombia, and the first fossil record of a mayfly and beetle for northern South America. Although the specimens lack key anatomical features for a high-resolution taxonomic identification, we were able to attribute one of the specimens to Ephemeroptera and a second specimen to Coleoptera. This fossil finding opens the possibility for future discoveries of additional insect fossils in northern South American rock sequences that could fill the extensive gap that exists in this paleontological field.",

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N2 - The Upper Cretaceous fossil record of insects in northern South America is almost unknown. Here we describe two fossil insects from the Chipaque Formation of (Cenomanian–Santonian), from central Colombia, representing the first report of fossil arthropods for the Upper Cretaceous of Colombia, and the first fossil record of a mayfly and beetle for northern South America. Although the specimens lack key anatomical features for a high-resolution taxonomic identification, we were able to attribute one of the specimens to Ephemeroptera and a second specimen to Coleoptera. This fossil finding opens the possibility for future discoveries of additional insect fossils in northern South American rock sequences that could fill the extensive gap that exists in this paleontological field.

AB - The Upper Cretaceous fossil record of insects in northern South America is almost unknown. Here we describe two fossil insects from the Chipaque Formation of (Cenomanian–Santonian), from central Colombia, representing the first report of fossil arthropods for the Upper Cretaceous of Colombia, and the first fossil record of a mayfly and beetle for northern South America. Although the specimens lack key anatomical features for a high-resolution taxonomic identification, we were able to attribute one of the specimens to Ephemeroptera and a second specimen to Coleoptera. This fossil finding opens the possibility for future discoveries of additional insect fossils in northern South American rock sequences that could fill the extensive gap that exists in this paleontological field.

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The first benthic insects (Ephemeroptera and Coleoptera) from the Upper Cretaceous of Colombia

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