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Amphicyon is an extinct genus of large carnivorans belonging to the family Amphicyonidae, subfamily Amphicyoninae, from the Miocene epoch. Members of this family received their vernacular name for possessing bear-like and dog-like features. They ranged over North America, Europe, Asia, and Africa.
Hipparion is an extinct genus of three-toed, medium-sized equine belonging to the extinct tribe Hipparionini, who lived about 10-5 million years ago. While the genus formerly included most hipparionines, the genus is now more narrowly defined as hipparionines from Eurasia spanning the Late Miocene. Hipparion was a mixed-feeder who ate mostly grass, and lived in the savannah biome. Hipparion evolved from Cormohipparion, and went extinct due to environmental changes like cooling climates and decreasing atmospheric carbon dioxide levels.
The evolution of the horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, forest-dwelling Eohippus into the modern horse. Paleozoologists have been able to piece together a more complete outline of the evolutionary lineage of the modern horse than of any other animal. Much of this evolution took place in North America, where horses originated but became extinct about 10,000 years ago, before being reintroduced in the 15th century.
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Miomachairodus is an extinct genus of large machairodontine containing only a single species, Miomachairodus pseudailuroides. It is known from Miocene-age fossils in China and Turkey and persisted until the Late Miocene. Fossils of this machairodont have been found in the Vallesian-age Bahe Formation in Shaanxi, China, and Yeni Eskihisar in Anatolia. This Turkish site is of Miocene age and is well known for its pollen studies.
The Camarillas Formation is a geological formation in the Teruel Province of Aragón, Spain whose strata date back to the Early Cretaceous. The sandstones, mudstones and conglomerates of the formation, that due to syn-sedimentary faulting varies greatly in thickness from 300 to 800 metres, were deposited in fluvial, deltaic and lacustrine environments.
Pelophylax pueyoi is an extinct species of large frog from Late Miocene of Spain. Initially classified as a member of the "green frog" complex within the genus Rana, it has since been reclassified into the genus Pelophylax as that genus has been split from Rana.
The Vallesian age is a period of geologic time within the Miocene used more specifically with European Land Mammal Ages. It precedes the Turolian age and follows the Astaracian age. The so-called Vallesian Crisis resulted in the extinction of several mammalian taxa characteristic of the Middle Miocene.
Ceratotherium neumayri is a fossil species of rhinoceros from the Late Miocene (Vallesian-Turolian) of the Balkans and Western Asia, with remains known from Greece, Bulgaria, Iran, and Anatolia in Turkey.
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Amphimachairodus is an extinct genus of large machairodonts. It is also a member of the tribe Homotherini within Machairodontinae and is most closely related to such species as Xenosmilus, Homotherium itself, and Nimravides. It inhabited Eurasia, Northern Africa and North America during the late Miocene epoch.
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María Dolores Soria Mayor, also known as Loli Soria, was a Spanish paleontologist.
Ammitocyon is a genus of large sized carnivoran mammals, belonging to the Amphicyonidae, that lived during the Late Miocene in what is now Spain. It is notable for its extreme adaptations towards hypercarnivory, its extremely robust skeleton, and was one of the last surviving members of its family.
Thiornis is a fossil genus of Middle Miocene grebe known from a nearly complete specimen from Libros, Spain. Originally classified as a type of moorhen, Thiornis has since been classified as a species of grebe. The overall anatomy of the bird is identical to modern grebes. It contains a single species, T. sociata.
This article records new taxa of fossil mammals of every kind that are scheduled to be described during the year 2023, as well as other significant discoveries and events related to paleontology of mammals that are scheduled to occur in the year 2023.
References
- 1 2 Pesquero, MD; Alberdi, MT; Alcalá, L (March 2006). "New Species of Hipparion from La Roma 2 (Late Vallesian; Tertuel, Spain): A Study of the Morphological and Biometric Variability of Hipparion primigenium". Journal of Paleontology. 80 (2): 343–356. doi:10.1666/0022-3360(2006)080[0343:NSOHFL]2.0.CO;2. hdl: 10261/130455 . JSTOR 4095130.
- ↑ Pesqueroa, MD; Salesa, MJ; Espíleza, E; Mampel, L; Siliceo, G; Alcalá, L (October 2011). "An exceptionally rich hyaena coprolites concentration in the Late Miocene mammal fossil site of La Roma 2 (Teruel, Spain): Taphonomical and palaeoenvironmental inferences". Palaeogeography, Palaeoclimatology, Palaeoecology. 311 (1–2): 30–37. doi:10.1016/j.palaeo.2011.07.013.
- ↑ Cerdeño, E (1992). "Spanish Neogene Rhinoceroses" (PDF). Palaeontology. 35 (2): 297–308.[ permanent dead link ]
- ↑ Alcalá, L; van Dam, J; Luque, L; Montoya, P; Abella, J (2005). "Nuevos mamíferos vallesienses en Masía de La Roma (Cuenca de Teruel)". Geogaceta (in Spanish and English). 37: 199–202. ISSN 0213-683X.
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