Biology:Perimys
| Perimys | |
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| Left m1 and m2 of Perimys sp. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | †Neoepiblemidae |
| Genus: | †Perimys Ameghino, 1887 |
| Type species | |
| †Perimys erutus Ameghino, 1887
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| Species | |
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| Synonyms | |
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Sphodromys Ameghino 1887 | |
Perimys is an extinct genus of neoepiblemid rodent that lived from the Early to Late Miocene in what is now South America. Fossils have been found in the Cerro Bandera,[1] Cerro Boleadoras,[2] Ituzaingó, Santa Cruz,[3] and Sarmiento Formations of Argentina ,[4] and the Galera,[5] Santa Cruz[6] and Río Frías Formations of Chile .
Description
Perimys was a medium to large-sized rodent. Perimys can be distinguished from other caviomorphs in having euhypsodont and bilophodont cheek teeth, with the hypoflexus/id being conspicuously broader and filled with more cementum than in Prolagostomus and Pliolagostomus. As a result, the teeth of Perimys have a U-shape occlusal outline.[2]
Taxonomy
Perimys was first described by Florentino Ameghino in 1887 based on remains found in the Santa Cruz Formation of Argentina, with the proposed type species being Perimys erutus. Several other species have been described as pertaining to this genus. Ameghino originally assigned it to the obsolete family Eryomyidae,[7] however, many later authors have assigned it to the Neoepiblemidae family.[8][9]
The following cladogram of the Caviomorpha is based on Busker et al. 2020, showing the position of Perimys.[8]
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References
- ↑ Kramarz, Alejandro; Garrido, Alberto; Forasiepi, Analía; Bond, Mariano; Tambussi, Claudia (2005). "Stratigraphy and vertebrates (Aves and Mammalia) from the Cerro Bandera Formation, Early Miocene of Neuquén Province, Argentina.". Revista Geológica de Chile 32 (2). doi:10.4067/S0716-02082005000200006. http://www.andeangeology.cl/index.php/revista1/article/view/V32n2-a06/html.
- ↑ 2.0 2.1 Vizcaino, Sergio F.; Bargo, M. Susana; Pérez, M. Encarnación; Aramendía, Inés; Cuitiño, José I.; Monsalvo, Eduardo S.; Vlachos, Evangelos; Noriega, Jorge I. et al. (2022-09-30). "Fossil vertebrates of the early-middle Miocene Cerro Boleadoras Formation, northwestern Santa Cruz Province, Patagonia, Argentina" (in en). Andean Geology 49 (3): 382–422. doi:10.5027/andgeoV49n3-3425. ISSN 0718-7106. http://www.andeangeology.cl/index.php/revista1/article/view/V49n3-3425.
Material was copied from this source, which is available under a Creative Commons Attribution 3.0 International License
- ↑ Kramarz, Alejandro (2014-06-08). "Roedores chinchilloideos (Hystricognathi) de la Formación Pinturas, Mioceno temprano-medio de la provincia de Santa Cruz, Argentina". Revista del Museo Argentino de Ciencias Naturales. Nueva Serie 4 (2): 167–180. ISSN 1853-0400. http://revista.macn.gob.ar/ojs/index.php/RevMus/article/view/9.
- ↑ Madden, Richard H.; Carlini, Alfredo A.; Vucetich, Maria Guiomar; Kay, Richard F. (2010-06-17). "Colhuehuapian rodents from Gran Barranca and other Patagonian localities: the state of the art." (in en). The Paleontology of Gran Barranca: Evolution and Environmental Change Through the Middle Cenozoic of Patagonia. Cambridge University Press. ISBN 978-0-521-87241-6. https://books.google.com/books?id=oY7wkK6lV4cC&q=Colhuehuapian+rodents+from+Gran+Barranca+and+other+Patagonian+localities%3A+the+state+of+the+art.&pg=PA206.
- ↑ McGrath, Andrew J.; Chick, Jennifer; Croft, Darin A.; Dodson, Holly E.; Flynn, John J.; Wyss, André R. (2022-02-08). "Cavioids, Chinchilloids, and Erethizontoids (Hystricognathi, Rodentia, Mammalia) of the Early Miocene Pampa Castillo Fauna, Chile". American Museum Novitates (3984): 1–46. doi:10.1206/3984.1. ISSN 0003-0082.
- ↑ Bostelmann, J. Enrique; Roux, Jacobous P. Le; Vásquez, Ana; Gutiérrez, Néstor M.; Oyarzún, José Luis; Carreño, Catalina; Torres, Teresa; Otero, Rodrigo et al. (2013-07-25). "Burdigalian deposits of the Santa Cruz Formation in the Sierra Baguales, Austral (Magallanes) Basin: Age, depositional environment and vertebrate fossils" (in en). Andean Geology 40 (3): 458–489. doi:10.5027/andgeoV40n3-a04. ISSN 0718-7106. http://www.andeangeology.cl/index.php/revista1/article/view/V40n3-a04.
- ↑ Ameghino, Florentino (1891). "Nuevos restos de mamíferos fósiles descubiertos por Carlos Ameghino en el Eoceno inferior de la Patagonia austral. — Especies nuevas, adiciones y correcciones". Revista argentina de historia natural 1: 289–328. https://www.biodiversitylibrary.org/part/76088.
- ↑ 8.0 8.1 Busker, Felipe; Dozo, María Teresa; Soto, Ignacio María (2020-10-01). "New remains of Cephalomys arcidens (Rodentia, Caviomorpha) and a redefinition of the enigmatic Cephalomyidae". Journal of Systematic Palaeontology 18 (19): 1589–1629. doi:10.1080/14772019.2020.1796833. ISSN 1477-2019. https://www.researchgate.net/publication/343807210.
- ↑ Vucetich, María Guiomar (1989). "Rodents (Mammalia) of the Lacayani fauna revisited (Deseadan, Bolivia). Comparison with new Chinchillidae and Cephalomyidae from Argentina.". Bulletin du Muséum national d'histoire naturelle 11 (4): 233–247. https://www.researchgate.net/publication/292546558.
Wikidata ☰ Q114348803 entry
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