Newly discovered fossils provide novel insights on the biology of the South American Miocene snake Colombophis Hoffstetter & Rage, 1977

Andrés Alfonso-Rojas; Rubén D. Vanegas; Elizabeth Mariño-Morejón; Edwin Alberto Cadena

doi:10.5252/geodiversitas2023v45a13

Newly discovered fossils provide novel insights on the biology of the South American Miocene snake Colombophis Hoffstetter & Rage, 1977

Título traducido de la contribución: Fósiles recién descubiertos proporcionan nuevos conocimientos sobre la biología de la serpiente del Mioceno suramericano Colombophis Hoffstetter & Rage, 1977

Andrés Alfonso-Rojas, Rubén D. Vanegas, Elizabeth Mariño-Morejón, Edwin Alberto Cadena

Universidad del Rosario

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

3 Citas (Scopus)

Resumen

Colombophis Hoffstetter & Rage, 1977 fue una serpiente alethinophidiana que habitó en Sudamérica desde el Mioceno Medio hasta el Mioceno Tardío. Desde su descubrimiento, su posición dentro del árbol filogenético de las serpientes ha sido controvertida, debido al hecho de que es un taxón basado únicamente en elementos postcraneales. En este estudio, describimos varios fósiles que potencialmente pertenecen a este género y que representarían alrededor de 50 individuos, descubiertos en el desierto de La Tatacoa, Colombia. Además, informamos por primera vez sobre la presencia de forámenos parazygantrales en las vértebras de Colombophis, similares a los observados en los madt-soiidos. Aunque la mayoría de los fósiles descritos aquí son fragmentarios, respaldan la ubicación de esta serpiente entre los alethinophidianos. Además, considerando el tamaño de las vértebras, sugerimos un posible estilo de vida no fosorial

Título traducido de la contribución	Fósiles recién descubiertos proporcionan nuevos conocimientos sobre la biología de la serpiente del Mioceno suramericano Colombophis Hoffstetter & Rage, 1977
Idioma original	Inglés estadounidense
Páginas (desde-hasta)	377-399
Número de páginas	23
Publicación	Geodiversitas
Volumen	45
N.º	13
DOI	https://doi.org/10.5252/geodiversitas2023v45a13
Estado	Publicada - jul. 1 2023

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Geología
Paleontología

ODS de las Naciones Unidas

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title = "Newly discovered fossils provide novel insights on the biology of the South American Miocene snake Colombophis Hoffstetter & Rage, 1977",

abstract = "Colombophis Hoffstetter & Rage, 1977 was an alethinophidian snake that inhabited South America from Middle to Late Miocene. Since its discovery, its position within the phylogenetic tree of snakes has been controversial, due the fact that it is a taxon based solely on postcranial elements. Here, we describe several fossils, potentially representing 50 individuals belonging to this genus, which were discovered in La Tatacoa desert, Colombia. Furthermore, we report for the first time the presence of parazygantral foramina in Colombophis vertebrae, which are similar to those observed on madt-soiids. Although most of the fossils described herein are fragmentary, they support the placement of this snake among the alethinophidians. Additionally, considering the vertebrae size, we suggest a potential non-fossorial lifestyle.",

author = "Andr{\'e}s Alfonso-Rojas and Vanegas, {Rub{\'e}n D.} and Elizabeth Mari{\~n}o-Morej{\'o}n and Cadena, {Edwin Alberto}",

note = "Publisher Copyright: {\textcopyright} Publications scientifiques du Mus{\'e}um national d{\textquoteright}Histoire naturelle",

year = "2023",

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day = "1",

doi = "10.5252/geodiversitas2023v45a13",

language = "English (US)",

volume = "45",

pages = "377--399",

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Newly discovered fossils provide novel insights on the biology of the South American Miocene snake Colombophis Hoffstetter & Rage, 1977. / Alfonso-Rojas, Andrés; Vanegas, Rubén D.; Mariño-Morejón, Elizabeth et al.
En: Geodiversitas, Vol. 45, N.º 13, 01.07.2023, p. 377-399.

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

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AU - Alfonso-Rojas, Andrés

AU - Vanegas, Rubén D.

AU - Mariño-Morejón, Elizabeth

AU - Cadena, Edwin Alberto

PY - 2023/7/1

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N2 - Colombophis Hoffstetter & Rage, 1977 was an alethinophidian snake that inhabited South America from Middle to Late Miocene. Since its discovery, its position within the phylogenetic tree of snakes has been controversial, due the fact that it is a taxon based solely on postcranial elements. Here, we describe several fossils, potentially representing 50 individuals belonging to this genus, which were discovered in La Tatacoa desert, Colombia. Furthermore, we report for the first time the presence of parazygantral foramina in Colombophis vertebrae, which are similar to those observed on madt-soiids. Although most of the fossils described herein are fragmentary, they support the placement of this snake among the alethinophidians. Additionally, considering the vertebrae size, we suggest a potential non-fossorial lifestyle.

AB - Colombophis Hoffstetter & Rage, 1977 was an alethinophidian snake that inhabited South America from Middle to Late Miocene. Since its discovery, its position within the phylogenetic tree of snakes has been controversial, due the fact that it is a taxon based solely on postcranial elements. Here, we describe several fossils, potentially representing 50 individuals belonging to this genus, which were discovered in La Tatacoa desert, Colombia. Furthermore, we report for the first time the presence of parazygantral foramina in Colombophis vertebrae, which are similar to those observed on madt-soiids. Although most of the fossils described herein are fragmentary, they support the placement of this snake among the alethinophidians. Additionally, considering the vertebrae size, we suggest a potential non-fossorial lifestyle.

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Newly discovered fossils provide novel insights on the biology of the South American Miocene snake Colombophis Hoffstetter & Rage, 1977

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