A redescription and phylogenetic reinterpretation of the fossil lizard<i>Hoburogekko suchanovi</i>Alifanov, 1989 (Squamata, Gekkota), from the Early Cretaceous of Mongolia

Daza, Juan D.; Alifanov, V. R.; Bauer, Aaron M.

doi:10.1080/02724634.2012.702706

Cited by 28 publications

(34 citation statements)

References 38 publications

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“… The minimum age of the root node of Gekkota was set to 99.5 Ma based on the oldest fossil assigned to the crown group of Gekkota, Hoburogekko suchanovi , from the Early Cretaceous of Mongolia (Daza et al ., ) and a soft maximum of 180 Ma. This interval included the age of the oldest fossil of Gekkonomorpha (an undescribed fossil dated around 110 Ma) and the stem Squamatan Parviraptor sp ., dating back to 170 Ma (Conrad & Norell, ; Daza et al ., ).…”

Section: Methodsmentioning

confidence: 97%

Key innovations and island colonization as engines of evolutionary diversification: a comparative test with theAustralasian diplodactyloid geckos

Garcia‐Porta

Ord

2013

J of Evolutionary Biology

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The acquisition of key innovations and the invasion of new areas constitute two major processes that facilitate ecological opportunity and subsequent evolutionary diversification. Using a major lizard radiation as a model, the Australasian diplodactyloid geckos, we explored the effects of two key innovations (adhesive toepads and a snake-like phenotype) and the invasion of new environments (island colonization) in promoting the evolution of phenotypic and species diversity. We found no evidence that toepads had significantly increased evolutionary diversification, which challenges the common assumption that the evolution of toepads has been responsible for the extensive radiation of geckos. In contrast, a snakelike phenotype was associated with increased rates of body size evolution and, to a lesser extent, species diversification. However, the clearest impact on evolutionary diversification has been the colonization of New Zealand and New Caledonia, which were associated with increased rates of both body size evolution and species diversification. This highlights that colonizing new environments can drive adaptive diversification in conjunction or independently of the evolution of a key innovation. Studies wishing to confirm the putative link between a key innovation and subsequent evolutionary diversification must therefore show that it has been the acquisition of an innovation specifically, not the colonization of new areas more generally, that has prompted diversification.

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Section: Methodsmentioning

confidence: 97%

Key innovations and island colonization as engines of evolutionary diversification: a comparative test with theAustralasian diplodactyloid geckos

Garcia‐Porta

Ord

2013

J of Evolutionary Biology

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“…These characters are namely: (1) the amphicoelous condition of the vertebra; (2) the maxillae and dentaries bearing numerous pleurodont, isodont, densely packed, cylindrical, and slender monocuspid teeth; (3) the presence of a medially extended dental shelf of the maxilla; and (4) the lingually closed Meckelian canal (Hoffstetter & Gasc, 1969; Daza, Alifanov & Bauer, 2012). The gekkonid remains from the Cherlak locality display a low number of teeth on the dentary (up to 20) and a rounded tooth apex (making the teeth digitiform), which are diagnostic characters for the genus Alsophylax (Nikitina & Ananjeva, 2009).…”

Section: Resultsmentioning

confidence: 99%

Neogene amphibians and reptiles (Caudata, Anura, Gekkota, Lacertilia, and Testudines) from the south of Western Siberia, Russia, and Northeastern Kazakhstan

Vasilyan

Zazhigin

Böhme

2017

PeerJ

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BackgroundThe present-day amphibian and reptile fauna of Western Siberia are the least diverse of the Palaearctic Realm, as a consequence of the unfavourable climatic conditions that predominate in this region. The origin and emergence of these herpetofaunal groups are poorly understood. Aside from the better-explored European Neogene localities yielding amphibian and reptile fossil remains, the Neogene herpetofauna of Western Asia is understudied. The few available data need critical reviews and new interpretations, taking into account the more recent records of the European herpetofauna. The comparison of this previous data with that of European fossil records would provide data on palaeobiogeographic affiliations of the region as well as on the origin and emergence of the present-day fauna of Western Siberia. An overview of the earliest occurrences of certain amphibian lineages is still needed. In addition, studies that address such knowledge gaps can be useful for molecular biologists in their calibration of molecular clocks.Methods and ResultsIn this study, we considered critically reviewed available data from amphibian and reptile fauna from over 40 Western Siberian, Russian and Northeastern Kazakhstan localities, ranging from the Middle Miocene to Early Pleistocene. Herein, we provided new interpretations that arose from our assessment of the previously published and new data. More than 50 amphibians and reptile taxa were identified belonging to families Hynobiidae, Cryptobranchidae, Salamandridae, Palaeobatrachidae, Bombinatoridae, Pelobatidae, Hylidae, Bufonidae, Ranidae, Gekkonidae, Lacertidae, and Emydidae. Palaeobiogeographic analyses were performed for these groups and palaeoprecipitation values were estimated for 12 localities, using the bioclimatic analysis of herpetofaunal assemblages.ConclusionThe Neogene assemblage of Western Siberia was found to be dominated by groups of European affinities, such as Palaeobatrachidae, Bombina, Hyla, Bufo bufo, and a small part of this assemblage included Eastern Palaearctic taxa (e.g. Salamandrella, Tylototriton, Bufotes viridis). For several taxa (e.g. Mioproteus, Hyla, Bombina, Rana temporaria), the Western Siberian occurrences represented their most eastern Eurasian records. The most diverse collection of fossil remains was found in the Middle Miocene. Less diversity has been registered towards the Early Pleistocene, potentially due to the progressive cooling of the climate in the Northern Hemisphere. The results of our study showed higher-amplitude changes of precipitation development in Western Siberia from the Early Miocene to the Pliocene, than previously assumed.

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“…The dentary of Kuroyuriella lacks the closure of the Meckelian fossa found in all crown-group gekkotans, although the fossa remains open in the stem gekkotan Hoburogekko suchanovi (Daza et al, 2012). The small, closely packed homodont teeth and lingual replacement of Kuroyuriella mikikoi are unlike the teeth of extant anguimorphs but, again, are found in some fossil taxa (e.g., the Cretaceous Exostinus lancensis).…”

Section: Systematic Palaeontologymentioning

confidence: 95%

“…Gekkotans are rare in the Mesozoic fossil record. The earliest recorded taxon is Hoburogekko suchanovi from Höovor (Aptian-Albian) in Mongolia (Alifanov , 1990Daza et al, 2012Daza et al, , 2014, but the associated dentary lacks postdentary bones and has a fully open Meckelian fossa. Another possible stemgekkotan (as yet unnamed) was described (Conrad and Norell, 2006) from Öösh, Mongolia (Berriasian to Albian, Andres and Norell, 2005;Berriasian to Barremian, Turner et al, 2007).…”

mentioning

confidence: 99%

An assemblage of lizards from the Early Cretaceous of Japan

Evans

Matsumoto

2015

Palaeontologia Electronica

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A redescription and phylogenetic reinterpretation of the fossil lizardHoburogekko suchanoviAlifanov, 1989 (Squamata, Gekkota), from the Early Cretaceous of Mongolia

Cited by 28 publications

References 38 publications

Key innovations and island colonization as engines of evolutionary diversification: a comparative test with theAustralasian diplodactyloid geckos

Key innovations and island colonization as engines of evolutionary diversification: a comparative test with theAustralasian diplodactyloid geckos

Neogene amphibians and reptiles (Caudata, Anura, Gekkota, Lacertilia, and Testudines) from the south of Western Siberia, Russia, and Northeastern Kazakhstan

An assemblage of lizards from the Early Cretaceous of Japan

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