Journal of Paleontology最新文献_第2页

Response by Joseph Koniecki for the presentation of the 2022 Strimple Award of the Paleontological Society 约瑟夫-科尼耶茨基关于颁发古生物学会 2022 年斯特林普尔奖的答复

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-12-05 DOI: 10.1017/jpa.2023.71

Joseph M. Koniecki

引用次数: 0

Characterization of the West Siberian lineage of zokors (Mammalia, Rodentia, Spalacidae, Myospalacinae) and divergence in molar development 鼢鼠西西伯利亚系（哺乳纲，啮齿目，蛛形纲，啮齿目）的特征和臼齿发育的分化

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-12-04 DOI: 10.1017/jpa.2023.61

Semion E. Golovanov, V. Zazhigin

{"title":"Characterization of the West Siberian lineage of zokors (Mammalia, Rodentia, Spalacidae, Myospalacinae) and divergence in molar development","authors":"Semion E. Golovanov, V. Zazhigin","doi":"10.1017/jpa.2023.61","DOIUrl":"https://doi.org/10.1017/jpa.2023.61","url":null,"abstract":"\u0000 Zokors (Myospalacinae) continue to be the center of systematics discussions. Phylogenetic schemes based on molecular data do not always agree with each other, nor can phylogenetic schemes based on paleontological material be complete due to the only-partial description of West Siberian zokors. This paper tries to fill this gap and presents a description of the West Siberian lineage from the late early Pleistocene to the present, together with an analysis of molar development in other zokor lineages. We describe two new species and one subspecies (Myospalax myospalax krukoveri n. ssp., Myospalax convexus n. sp., Prosiphneus razdoleanensis n. sp.) ancestral to the extant Myospalax myospalax Laxmann, 1769. We also reveal differences in the ontogeny of molars of modern species that were not previously detailed. These differences, together with paleontological data, indicate that in the West Siberian lineage, peramorphosis occurred in the structure of the chewing surface (with the exception of the lower m1), whereas in all other zokor lineages, there was pedomorphosis. On the basis of these results, we suggest a new view on the systematics of Myospalacinae.\u0000 UUID: http://zoobank.org/b06d6c99-1648-454b-9b95-4d869bfe8bdc","PeriodicalId":50098,"journal":{"name":"Journal of Paleontology","volume":"11 4","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138602925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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A hydrozoan from the eurypterid-dominated Silurian Bertie Group Lagerstätten of North America 北美志留纪伯蒂群拉格斯塔滕以极龙类为主的一种水螅虫

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-12-01 DOI: 10.1017/jpa.2023.62

Evelyn Larson, Derek E. G. Briggs

引用次数: 0

A reappraisal of Nemavermes mackeei from the Mazon Creek fossil site expands Carboniferous cyclostome diversity 重新评估马宗溪化石遗址中的 Nemavermes mackeei，扩大石炭纪环口动物的多样性

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-12-01 DOI: 10.1017/jpa.2023.72

Victoria E. McCoy, Jack Wittry, Hamed Sadabadi, Paul S. Mayer

引用次数: 0

Transfer of the Cretaceous fossil vertebrate collection from Columbus State University to the Smithsonian's National Museum of Natural History 白垩纪脊椎动物化石收藏从哥伦布州立大学转移到史密森尼国家自然历史博物馆

4区地球科学

Journal of Paleontology Pub Date : 2023-10-11 DOI: 10.1017/jpa.2023.27

Matthew T. Carrano, David R. Schwimmer, Jessica Nakano, Amanda Millhouse

引用次数: 0

Corals and a cephalopod from the Whirlpool Formation (latest Ordovician, Hirnantian), Hamilton, Ontario: biostratigraphic and biogeographic significance 安大略省汉密尔顿漩涡组(奥陶世晚期，Hirnantian)的珊瑚和头足类:生物地层学和生物地理学意义

4区地球科学

Journal of Paleontology Pub Date : 2023-09-28 DOI: 10.1017/jpa.2023.53

Robert J. Elias, Roger A. Hewitt

{"title":"Corals and a cephalopod from the Whirlpool Formation (latest Ordovician, Hirnantian), Hamilton, Ontario: biostratigraphic and biogeographic significance","authors":"Robert J. Elias, Roger A. Hewitt","doi":"10.1017/jpa.2023.53","DOIUrl":"https://doi.org/10.1017/jpa.2023.53","url":null,"abstract":"Abstract Solitary rugose corals assigned to Streptelasma rutkae n. sp. and an annulated orthoconic cephalopod identified as Gorbyoceras sp. occur in nearshore shallow-marine sandstone of the Whirlpool Formation in Hamilton, southern Ontario. They are the first macrofossils contributing to a modern understanding of the age and correlation of this stratigraphic unit. Streptelasma rutkae most closely resembles S . subregulare (Savage, 1913), which occurs widely in the Edgewood Province of the east-central United States, in strata considered latest Ordovician (Hirnantian). Gorbyoceras ranges into the latest Katian (latest Richmondian) in the Cincinnati Arch region. Thus, the occurrences of S . rutkae and Gorbyoceras sp. support other biostratigraphic and chemostratigraphic data suggesting that the Whirlpool Formation is latest Ordovician, rather than earliest Silurian as traditionally thought. They also indicate paleogeographic connections between the area of Whirlpool deposition in Ontario and the Edgewood Province and Cincinnati Arch region in the east-central United States UUID: http://zoobank.org/d1ded814-204d-4070-a469-52d3b6e259c7","PeriodicalId":50098,"journal":{"name":"Journal of Paleontology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135344888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Early Eocene fossils elucidate the evolutionary history of the Charadriiformes (shorebirds and allies) 始新世早期化石阐明了船形目(滨鸟及其盟友)的进化史

4区地球科学

Journal of Paleontology Pub Date : 2023-09-22 DOI: 10.1017/jpa.2023.51

Gerald Mayr, Andrew C. Kitchener

{"title":"Early Eocene fossils elucidate the evolutionary history of the Charadriiformes (shorebirds and allies)","authors":"Gerald Mayr, Andrew C. Kitchener","doi":"10.1017/jpa.2023.51","DOIUrl":"https://doi.org/10.1017/jpa.2023.51","url":null,"abstract":"Abstract We report charadriiform and charadriiform-like birds from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK). A partial skeleton of a small modern-type charadriiform is described as a new species, Charadriisimilis essexensis n. gen. n. sp., and most closely resembles taxa of the Charadrii (plovers, stilts, oystercatchers, and other “wader-like” shorebirds). Affinities to this clade were also supported by phylogenetic analyses, which placed the fossil as the sister taxon of either the Burhinidae or all crown group Charadrii. In addition, we identify specimens of the charadriiform-like taxon Scandiavis , which was before known only from the early Eocene Fur Formation in Denmark. Associated limb elements of two individuals are classified as Scandiavis cf. mikkelseni Bertelli et al., 2013, and remains of two further individuals are tentatively assigned to Scandiavis . The presence of a processus supracondylaris dorsalis on the previously unknown humerus corroborates charadriiform affinities of Scandiavis , whereas a plesiomorphic hypotarsus morphology indicates a position outside crown group Charadriiformes. Charadriisimilis essexensis is one of the earliest modern-type charadriiforms, and the holotype of the species is the most substantial early Paleogene fossil record of a charadriiform bird. Together with Scandiavis , as the best-represented taxon to be considered as a stem group charadriiform, it provides the basis for an improved understanding of the evolutionary history of charadriiform birds. UUID: http://zoobank.org/ca15ee81-09e8-4577-8beb-a362debf6636","PeriodicalId":50098,"journal":{"name":"Journal of Paleontology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136061115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The heterobranch subgenus Trochactaeon (Trochactaeon) in the Campanian (Late Cretaceous) of the northern Arabian Platform and its paleoenvironmental and paleobiogeographic implications 北阿拉伯地台坎帕纪(晚白垩世)异支亚属Trochactaeon及其古环境和古生物地理意义

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-09-08 DOI: 10.1017/jpa.2023.46

I. Hoşgör, Ismail Ö. Yılmaz, S. Özer

{"title":"The heterobranch subgenus Trochactaeon (Trochactaeon) in the Campanian (Late Cretaceous) of the northern Arabian Platform and its paleoenvironmental and paleobiogeographic implications","authors":"I. Hoşgör, Ismail Ö. Yılmaz, S. Özer","doi":"10.1017/jpa.2023.46","DOIUrl":"https://doi.org/10.1017/jpa.2023.46","url":null,"abstract":"\u0000 Acteonellids were one of the most significant groups of marine macro-invertebrates in the Late Cretaceous biota of the Tethyan Realm. They were common faunal elements associated with Cretaceous carbonate platform communities most notable for their abundance of rudist frameworks and thrived in coeval lagoons. The Upper Cretaceous fossil-bearing Karababa Formation, cropping out in southeastern Turkey, yields a remarkable assemblage of acteonellid gastropods and rudists. Cretaceous gastropods from sedimentary successions in Turkey barely have been studied over the past 80 years. The subgenus Trochactaeon, a very successful and widespread taxon of heterobranch gastropods within the family Acteonellidae, dominated acteonellid assemblages throughout the Late Cretaceous. In the present work, we present the first record of Trochactaeon (Trochactaeon) giganteus subglobosus from Turkey. It is from a single lower Campanian bed in the upper part of the Karababa Formation of the Gölbaşı region (south of Adıyaman), corresponding to the northwestern part of the Arabian Platform. This record complements information on the temporal and spatial distribution of Trochactaeon at the southern margin of the Tethyan Ocean during the last part of the Cretaceous Period. This discovery increases the documented diversity of the paleofauna from the Upper Cretaceous succession in southeastern Turkey and provides new insights into the paleoenvironment of the carbonate ramp of the northern Arabian plate, and the paleobiogeography of Campanian gastropods in general.","PeriodicalId":50098,"journal":{"name":"Journal of Paleontology","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42244714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elongate Ediacaran fronds from the Flinders Ranges, South Australia 来自南澳大利亚弗林德斯山脉的细长埃迪卡拉叶

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-09-07 DOI: 10.1017/jpa.2023.45

Kelsey F. Grimes, G. Narbonne, J. Gehling, P. Trusler, T. Dececchi

{"title":"Elongate Ediacaran fronds from the Flinders Ranges, South Australia","authors":"Kelsey F. Grimes, G. Narbonne, J. Gehling, P. Trusler, T. Dececchi","doi":"10.1017/jpa.2023.45","DOIUrl":"https://doi.org/10.1017/jpa.2023.45","url":null,"abstract":"\u0000 Decimeter-scale, elongate, fossil fronds from the Ediacara Range in South Australia were formally described as Rangea longa Glaessner and Wade, 1966, but the disparate nature of documented specimens has hindered their inclusion in global syntheses and has resulted in these fossils being assigned to at least five different genera in two different clades since their discovery. Detailed study of the type material from the Ediacara Range and the few specimens subsequently collected elsewhere in the Flinders Ranges reaffirms that these specimens represent a single species, with the apparent morphological variation between specimens entirely taphonomic and reflecting the obverse and reverse surfaces of these fronds coupled with the orientation of the frond axis and petaloids at different angles relative to the sea bottom on which they were preserved. The preserved architecture of these fronds constitutes three orders of branching microstructure that are strictly orthogonal to immediately higher and lower orders. This implies affinities with the arboreomorphs, but representing a new frond genus herein named Akrophyllas. Akrophyllas n. gen. differs from all other Ediacaran fronds in exhibiting a stalk that is visible only on one side of the frond and is internal to the other side where the first-order branches instead meet at a zigzag axial trace. Akrophyllas n. gen. was attached to a bulbous holdfast on the sea bottom, and evidence for current scours that formed in the lee of the fronds and for a strong current alignment of felled fronds with depositional overlap of adjacent fronds imply an upright, epibenthic lifestyle for Akrophyllas longa new combination.\u0000 UUID: http://zoobank.org/86e26477-7b1e-45da-870c-1b5d28fc510c","PeriodicalId":50098,"journal":{"name":"Journal of Paleontology","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44722435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Not the first leech: An unusual worm from the early Silurian of Wisconsin 不是第一只水蛭：威斯康星州志留纪早期的一种不寻常的蠕虫

IF 1.4 4区地球科学

Journal of Paleontology Pub Date : 2023-09-04 DOI: 10.1017/jpa.2023.47

S. Braddy, K. C. Gass, Michael Tessler

引用次数: 1