Descripción de las huellas de camélidos y félidos de la localidad Pie de Vaca, Cenozoico Tardío de Puebla, centro de México y algunas consideraciones paleobiológicas

Cabral-Perdomo, Miguel Ángel; Bravo-Cuevas, Víctor Manuel; Pérez-Pérez, Alexis; García-Cabrera, Norberto

doi:10.18268/bsgm2018v70n2a9

Cited by 12 publications

(5 citation statements)

References 25 publications

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“…To determine the other key ratios related to horse footprints the size of the horse at the withers needs to be determined. Studies have shown correlations between adult horse size and hoof size (Stachurska et al, 2011), third metacarpal length (Onar et al, 2018), and cranial length along with third metapodial length (Chrószcz et al, 2014). As the remains of the horses studied here involve footprint impressions, which from my observations are nearly identical to horse hoof size in slower gaits, utilizing the correlations of hoof size with height at the withers is an important starting point.…”

Section: Description and Measurements Of Fossil Horse Tracksmentioning

confidence: 63%

“…That being said, studies have suggested that metacarpal size is a more reliable predictor of overall horse size than either cranial or phalanx length (Alberdi et al, 1995;Chrószcz et al, 2014). Hence it is important to also utilize the study of Onar et al (2018, p. 163), who found that the height of modern horses averaged 5.66 times the size of the metacarpal length.…”

Section: Description and Measurements Of Fossil Horse Tracksmentioning

confidence: 99%

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Determining the gait of Miocene, Pliocene, and Pleistocene horses from fossilized trackways

Vincelette

2021

Foss. Rec.

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Abstract. Much work has been done on the study of vertebrate gaits over the past several decades and efforts undertaken to apply this to fossil tracks, especially dinosaurs and mammals such as cats, dogs, camels, and horses. This work seeks to expand upon such studies and in particular to study footprints laid down in sand by modern horses and apply such studies to determine the gaits of fossil horse trackways. It thus builds upon the work of Renders (1984a, b) and Kienapfel et al. (2014) and suggests additional measurements that can be taken on horse footprints. In this study the footprints left in the sand by 15 horses of various breeds with various gaits were videotaped, photographed, described, and measured in order to determine characteristics useful in distinguishing gaits. These results were then applied to two new sets of fossil footprints, those of the middle Miocene merychippine horse Scaphohippus intermontanus that I personally examined and measured and those from the late Pleistocene horse Equus conversidens, previously illustrated and described in the literature (McNeil et al., 2007). The latter horse exhibits a fast gallop of around 9.4 m/s, but it is the former whose footprints are quite unique. The quantitative and visual features of these prints are suggestive of a medium-fast gait involving apparent “understepping” of diagonal couplets and hind feet that overlap the centerline. The gait that most closely matches the footprints of Scaphohippus is the “artificial” gait of a slow rack or tölt, or pace, around 1.9 m/s, though an atypical trot of a horse with major conformation issues or which is weaving (swaying) from side to side is a less likely possibility. This intimates, along with the earlier study of Renders (1984a, b), who found the artificial gait of the running walk displayed by Pliocene hipparionine horses, that ancient horses possessed a much greater variety of gaits than modern horses and that over time they lost these abilities with the exception of certain gaited breeds.

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Section: Description and Measurements Of Fossil Horse Tracksmentioning

confidence: 63%

Section: Description and Measurements Of Fossil Horse Tracksmentioning

confidence: 99%

Determining the gait of Miocene, Pliocene, and Pleistocene horses from fossilized trackways

Vincelette

2021

Foss. Rec.

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“…The lithology of the formation consists of continental deposits of fluvial-lacustrine and alluvial environments formed by conglomerates, gravel, silt, clay, marl, limestone, travertine, and volcanic rocks (Pantoja-Alor 1992). These are followed by micritic sandstone with siliciclastic bands and intraclasts of flint, limestone, and volcanic rocks (Cabral-Perdomo et al 2018). The fossil records of the unit are ichnites belonging to birds, camelids, felids, proboscideans, small artiodactyls (Cabral-Perdomo 1995, 2013, and bony fishes (González-Rodríguez et al 2013;Guzmán 2015).…”

Section: The Pie De Vaca Formationmentioning

confidence: 99%

“…The paleoenvironmental condition is a tropical paleolake which evolved from a basin with alluvial conditions to shallow, alkaline, and evaporitic lacustrine circumstances, indicating the gradual desertification of the environment (Beraldi-Campesi et al 2006). Although the palynological record indicates an Eocene-Oligocene age for this formation (Martínez-Hernández and Ramírez-Arriaga 1999), the paleobotanical and ichnological record with associated mammals indicates with more robustness an Oligocene-Pleistocene age (Cabral-Perdomo 1995, 2013Cabral-Perdomo et al 2018;Ramírez and Cevallos-Ferriz 2002).…”

Section: The Pie De Vaca Formationmentioning

confidence: 99%

The paleoichthyofauna housed in the Colección Nacional de Paleontología of Universidad Nacional Autónoma de México

Cantalice¹,

Martínez-Melo²,

Romero-Mayén³

2019

ZSE

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Fishes are a paraphyletic group composed by craniates except for the four-limbed clade Tetrapoda. This group was the only vertebrate representative until the Devonian but now comprises almost half of the vertebrate species, dominating nearly all aquatic environments. The fossil record is the key to understand the ancient paleobiodiversity and the patterns that lead the modern fish fauna, and paleontological collections play a fundamental role in providing accommodation, maintenance, and access to the specimens and their respective metadata. Here we present a systematic checklist of fossil fishes housed in the type collection of the Colección Nacional de Paleontología which is located at the Instituto de Geología of Universidad Nacional Autónoma de México. Currently housed in the type collection are 14 chondrichthyan specimens, belonging to two superorders, five orders, seven families, 10 genera, and five nominal species, and 361 osteichthyan specimens, belonging to eight orders, nine families, nine genera, and 26 nominal species. These fossils come from 32 localities and 15 geological units, which range temporally from the Jurassic to the Pleistocene. The paleoichthyofauna housed in the type collection of the Colección Nacional de Paleontología is remarkable for its singularity and reveals new insights about the origin and diversification of many groups of fishes. The recovery and curation of this fossil material indicates that knowledge of Mexican fossil fish diversity and its role in understanding lower vertebrate evolution are just emerging and reaffirms the importance of the biological and paleontological collections to the future biodiversity research.

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“…Geographic and chronostratigraphic distribution. Neogene of North America (Lucas and Hunt, 2007;Cabral-Perdomo et al, 2018). (Aramayo andManera de Bianco, 1987b, 1996;Tassara et al, 2007;Oliva et al, 2013;Aramayo et al, 2015).…”

Section: Systematic Ichnologymentioning

confidence: 99%

Mammalian ichnopathology: A case study of holartic ungulates (Gomphotheriidae, Equidae, Camelidae) of the Late Pleistocene of South America. Ichnotaxomic implications

Oliva¹,

Arregui²

2018

BSGM

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The analysis of paleoichnites and trackways corresponding to Holarctic ungulates, from the late Pleistocene (Lujanian Stage/Age) of Pehuen Co and Laguna del Monte tracksites (Buenos Aires Province, Argentina), allows the recognition of several clinical signs (ichnopathologies) that reflect some of the main pedal affections and alterations experienced by living members of the group. Proboscipeda australis (Aramayo and Manera de Bianco, 1987a) presents occasional fissures on its hoofprints, interpreted as fractures on the hornwall (vertical) and cracking of the sole (horizontal). Hippipeda isp. exhibits a series of morphologic anomalies in the digital impression, linked to contracted heel (transversely compressed hoof, narrowing and distal projection of talonar region, with an approximation of both heel-bulb impressions and an enlargement of the spacing between frog baseline and heel buttresses), distorted hoof (asymmetrical sole region and hoof wall, with forwardly projected internal pillar [toe-quarter junction] and anteriorly displaced external heel buttress), turkish-slipper foot (over-elongated hoofprint, showing hyper-lengthening of lateral walls [inner and outer quarters], and hypertrophy of frog and bars). Lamaichnum guanicoe Aramayo and Manera de Bianco, 1987b displays eventual evidence of horny overgrowth: inward/ subparallel (loss of bilateral symmetry, medial curving of digits, uneven sizing of toepad prints) and outward/divergent (lateral curving of digits, overexpansion of interclavular gap [with ample separation between both digital ends], enlargement and widening of the tracks, normal acquisition of a secondary heteropody). These intraspecific variations (ichnopathological characters) are often used to segregate a second llamoid ichnospecies: Lamaichnum tulipensis (Aramayo and Manera de Bianco, 1987b), herein proposed as teratologic synonym of Lamaichnum guanicoe.

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Descripción de las huellas de camélidos y félidos de la localidad Pie de Vaca, Cenozoico Tardío de Puebla, centro de México y algunas consideraciones paleobiológicas

Cited by 12 publications

References 25 publications

Determining the gait of Miocene, Pliocene, and Pleistocene horses from fossilized trackways

Determining the gait of Miocene, Pliocene, and Pleistocene horses from fossilized trackways

The paleoichthyofauna housed in the Colección Nacional de Paleontología of Universidad Nacional Autónoma de México

Mammalian ichnopathology: A case study of holartic ungulates (Gomphotheriidae, Equidae, Camelidae) of the Late Pleistocene of South America. Ichnotaxomic implications

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