Fossil Imprint最新文献_第6页

Lagomorphs (Mammalia) from the early Pliocene of Dorkovo, Bulgaria 保加利亚多尔科沃上新世早期的Lagomorphs(哺乳类)

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.007

S. Sen

引用次数: 3

A new stereospondylomorph, Korkonterpeton kalnense gen. et sp. nov., from lower Permian of the Czech Krkonoše Piedmont Basin and a redescription of Intasuchus silvicola from the lower Permian of Russia (Temnospondyli, Amphibia) 捷克Krkonoše Piedmont盆地下二叠统Korkonterpeton kalnense gen. et sp. nov.新立体海绵形态及俄罗斯下二叠统Intasuchus silvicola的再描述(Temnospondyli，两栖目)

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.019

R. Werneburg, S. Štamberg, J. Steyer

{"title":"A new stereospondylomorph, Korkonterpeton kalnense gen. et sp. nov., from lower Permian of the Czech Krkonoše Piedmont Basin and a redescription of Intasuchus silvicola from the lower Permian of Russia (Temnospondyli, Amphibia)","authors":"R. Werneburg, S. Štamberg, J. Steyer","doi":"10.37520/fi.2020.019","DOIUrl":"https://doi.org/10.37520/fi.2020.019","url":null,"abstract":"A new temnospondyl, Korkonterpeton kalnense gen. et sp. nov., is described on the basis of an almost complete specimen from the lover Permian Prosečné Formation of the Czech Krkonoše Piedmont Basin. The exceptional preservation of the holotype allows a detailed description of the cranial and postcranial characters: Korkonterpeton kalnense gen. et sp. nov. is characterized by the presence of vomerine fangs located anteriorly to the posterior choana, much longer than wide tabulars – as long as the supratemporals, a deeply concave posterior margin of the skull table, extraordinarily elongated exoccipitals, anteriorly widened pterygoids and a parasphenoid cultriform process swollen at its mid-length. In order to clarify the relationship between this new taxon and Intasuchus silvicola Konzhukova, 1956 from the lower Permian (late Kungurian) of the Russian Inta Basin, the latter is also redescribed here: Intasuchus silvicola exhibits a lacrimal entering the septomaxilla, a widened jugal, a posterolaterally widened interpterygoid vacuity, a subtemporal window elongated anteriorly up to the anterior orbital region, an elongated basipterygoid ramus which is as long as the orbit width, a vomer with a parachoanal tooth row, and an ectopterygoid of about the same length as the palatine. The description of Korkonterpeton kalnense gen. et sp. nov. and the revision of Intasuchus silvicola complete our knowledge on the origin and evolution of early stereospondylomorph temnospondyls during the lower Permian.","PeriodicalId":12431,"journal":{"name":"Fossil Imprint","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69920437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Independent water vole (Mimomys savini, Arvicola: Rodentia, Mammalia) lineages in Italy and Central Europe 独立的水田鼠(Mimomys savini, Arvicola:啮齿目，哺乳类)在意大利和中欧的血统

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.005

F. Masini, L. Maul, L. Abbazzi, D. Petruso, A. Savorelli

{"title":"Independent water vole (Mimomys savini, Arvicola: Rodentia, Mammalia) lineages in Italy and Central Europe","authors":"F. Masini, L. Maul, L. Abbazzi, D. Petruso, A. Savorelli","doi":"10.37520/fi.2020.005","DOIUrl":"https://doi.org/10.37520/fi.2020.005","url":null,"abstract":"Water voles are important key fossils of the Quaternary. Given their wide distribution, regional differences were expected to exist in different areas. Early hints on possible independent evolutionary trends of water voles in Italy came from palaeontology and specifically from the comparison of enamel differentiation (SDQ value) of the first lower molars between specimens from Italy and Germany. The data available at that time indicated that in the early Middle Pleistocene there were only minor enamel differences between first lower molars of water voles from these two geographical regions, whereas from the late Middle Pleistocene onwards, two lineages were clearly distinguished. Examination of mitochondrial DNA of extant Arvicola populations from across Europe by Wust-Saucy led to a similar conclusion that Arvicola populations from the Italian Peninsula had undergone independent evolution during the last 0.2 million years. The inclusion of new fossil and extant Arvicola samples from Italy and Central Europe, together with the examination of additional morphological parameters of the occlusal surface (so-called van der Meulen indexes), have provided further support for the proposed evolutionary pattern. The combined analysis of length, SDQ and A/L index reveal a certain degree of intercorrelation and indicate an essentially continuous evolutionary trend. However, variations are discernible, related to the age and geographical origins of the samples, and become more clearly seen at least since the beginning of the Late Pleistocene. Italian samples have a characteristic tendency to grow larger, elongate the anteroconid, and have less derived SDQ. This corroborates the suggestion that Italian water voles underwent an evolutionary history distinct from that of their Central European counterparts. The differences in morphology may be related to a combination of etho-/ecological (aquatic or terrestrial habits) and palaeobiogeographical factors.","PeriodicalId":12431,"journal":{"name":"Fossil Imprint","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69920282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Allosorex stenodus Fejfar, 1966 (Eulipotyphla, Soricidae): re-description of type material and re-interpretation of its fossil record 异位巨齿兽，1966(巨齿兽总目，巨齿兽科):类型材料的重新描述及其化石记录的重新解释

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.006

O. Fejfar, W. Koenigswald, M. Sabol

引用次数: 0

A new Oligocene flora from Ludvíkovice near Děčín (České středohoří Mts., the Czech Republic) 来自Děčín附近Ludvíkovice的渐新世新植物区系(České středohoří Mts.，捷克共和国)

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.024

V. Teodoridis, Z. Kvaček, Miroslav Radoň, Vladislav Raprich, A. Bruch

{"title":"A new Oligocene flora from Ludvíkovice near Děčín (České středohoří Mts., the Czech Republic)","authors":"V. Teodoridis, Z. Kvaček, Miroslav Radoň, Vladislav Raprich, A. Bruch","doi":"10.37520/fi.2020.024","DOIUrl":"https://doi.org/10.37520/fi.2020.024","url":null,"abstract":"A recently recovered site of plant macrofossils, Ludvíkovice, in the České středohoří Mts. is situated on Sokolí vrch hill, belonging to the Děčín Formation (radiometrically dated to 30.8–24.7 Ma), according to regional stratigraphy. The flora has yielded a fern, Rumohra recentior, and several angiosperms, but no conifers. The prevailing foliage is preserved without cuticles. Noteworthy are records of Daphnogene cinnamomifolia, Laurophyllum cf. acutimontanum, Platanus neptuni, Sloanea artocarpites, Carya fragiliformis / C. quadrangula, Alnus rhenana, Trigonobalanopsis rhamnoides, Eotrigonobalanus furcinervis and cf. Quercus sp. Several foliage specimens of dicots could not be identified to species level, i.e., Leguminophyllum sp., Pungiphyllum cf. cruciatum and Dicotylophyllum sp. div. The fossil plant assemblage of Ludvíkovice corresponds to zonal mesophytic vegetation accompanied by riparian elements. This is corroborated by the Integrated Plant Record vegetation analysis, which reconstructs a zonal broad-leaved evergreen forest similar to the living broad-leaved evergreen sclerophyllous forest from Southern Hunan and Northern Guangxi in SE China. The vegetation thrived under a humid climate characterized by average values of MAT (14.6–24.1 °C), WMMT (24.7–28.3 °C), CMMT (2.2–18.8 °C) and MAP (979–1724 mm). The fossil flora of Ludvíkovice is similar in composition to the floras of Markvartice, Veselíčko, also from the Oligocene Děčín Formation of the České středohoří Mts. and the Hrazený hill.","PeriodicalId":12431,"journal":{"name":"Fossil Imprint","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69920517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

New genus of amphicyonid carnivoran (Mammalia, Carnivora, Amphicyonidae) from the phosphorites of Quercy (France) 法国Quercy磷化岩中两栖类食肉动物新属(哺乳纲，食肉目，两栖类科)

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.013

L. Bonis

引用次数: 0

Unexpected inhibitory cascade in the molariforms of sloths (Folivora, Xenarthra): a case study in xenarthrans honouring Gerhard Storch’s open-mindedness 树懒molariforms (Folivora, Xenarthra)中意想不到的抑制级联:xenarthrans的案例研究，以表彰Gerhard Storch的开放思想

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.002

Luciano Varela, P. Tambusso, R. Fariña

{"title":"Unexpected inhibitory cascade in the molariforms of sloths (Folivora, Xenarthra): a case study in xenarthrans honouring Gerhard Storch’s open-mindedness","authors":"Luciano Varela, P. Tambusso, R. Fariña","doi":"10.37520/fi.2020.002","DOIUrl":"https://doi.org/10.37520/fi.2020.002","url":null,"abstract":"The inhibitory cascade (IC) represents a developmental model that explains the evolution of molar relative sizes, originally described in rodents but later validated in several mammalian groups. The IC comprises signalling molecules produced by the first molar buds that inhibit the development of subsequent molars and molecules from surrounding tissues that have opposite effects. Sloths, as xenarthrans, present many peculiarities in their dentition, like tooth and enamel loss, homodonty, and changes in the typically mammalian dental formula. Here, we test the existence of an IC and explore the evolution of the lower dentition in sloths. We studied the variability of molariform proportions in 20 specimens of the Late Pleistocene ground sloth Lestodon armatus. We also analysed molariforms proportions in 53 sloth genera to explore evolutionary trends. Our results show that the lower dentition of most sloths complies with the IC model, despite the difficulties of assessing dental homologies with other mammals. Furthermore, we tested the existence of different patterns among families, obtaining support for models taking mylodontids and orophodontids separately from the rest of sloths. Also, members of Mylodontidae show a unique IC pattern, with a slope considerably higher than 2 and an mf1 ≤ mf2 << mf3 configuration. This pattern could be related to the morphological adaptations to grazing showed by mylodontids during most of their evolutionary history.","PeriodicalId":12431,"journal":{"name":"Fossil Imprint","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69920230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

First record of the stem amniote Discosauriscus (Seymouriamorpha, Discosauriscidae) from the Krkonoše Piedmont Basin (the Czech Republic) Krkonoše皮埃蒙特盆地(捷克共和国)干羊膜动物dissauriscus (Seymouriamorpha, dissauriscdae)的首次记录

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.020

Jozef Klembara, Marika Mikudíková, S. Štamberg, M. Hain

引用次数: 2

Bibliography of Prof. RNDr. Zlatko Kvaček, DrSc. (2017 – 2020) RNDr教授参考书目。Sweetie Kvaček，博士。（2017-2020）

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.017

J. Sakala

引用次数: 0

Small early Miocene listriodont suid (Artiodactyla: Mammalia) from Sabuncubeli (Manisa, SW Anatolia), Turkey 早中新世小齿兽(偶蹄目:哺乳纲)，产自土耳其Sabuncubeli (Manisa, SW Anatolia)

Fossil Imprint Pub Date : 2020-01-01 DOI: 10.37520/fi.2020.026

M. Pickford, T. Kaya, Erhan Tarhan, Derya Erylmaz, Serdar Mayda

引用次数: 0