Paleontological Research最新文献_第3页

Gastropod Grazing Traces (Incipient Radulichnus isp.) in the Godavari River, India and their Preservation Potential in the Fossil Record 印度戈达瓦里河腹足类动物放牧痕迹及其在化石记录中的保存潜力

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-03-01 DOI: 10.2517/PR220003

A. Uchman, Biplab B. Bhattacharya, Abhirup Saha

引用次数: 0

A New Miocene Gobiiform Fish, Odontobutis hayashitokuei from Iki, Nagasaki, Japan 日本长崎Iki的一种新的中新世杯状鱼类，Odontobutis hayashitokuei

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-03-01 DOI: 10.2517/PR210039

Y. Yabumoto, Chun-guang Zhang

引用次数: 0

A New Species of Fossil Nymphalidae (Lepidoptera, Papilionoidea) from the Upper Pliocene Motojuku Group, Gunma Prefecture, Japan 日本群马县上新世原宿群雌雄蝇科化石一新种(鳞翅目，凤蝶总科)

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-03-01 DOI: 10.2517/PR220018

Hiroaki Aiba, Yui Takahashi, Y. Sakamaki

引用次数: 0

Dimorphism in the Early Cenomanian (Late Cretaceous) Ammonoid Parajaubertella 早Cenomanian(晚白垩世)amoid Parajaubertella的二态性

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-03-01 DOI: 10.2517/PR220023

Y. Shigeta, Haruyoshi Maeda, Toshihiro Sakai

引用次数: 0

New Replacement Names in Fossil Echinoderms (Echinodermata) 化石棘皮动物的新替代名称(棘皮科)

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-03-01 DOI: 10.2517/PR210029

F. Ceccolini, F. Cianferoni

引用次数: 0

Late Maastrichtian (latest Cretaceous) Ammonoids from the Naiba Area, Southern Sakhalin, Russian Far East 俄罗斯远东萨哈林岛南部奈巴地区的晚马斯特里赫特阶（晚白垩世）菊石

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-01-04 DOI: 10.2517/PR210021

Y. Shigeta, Haruyoshi Maeda

{"title":"Late Maastrichtian (latest Cretaceous) Ammonoids from the Naiba Area, Southern Sakhalin, Russian Far East","authors":"Y. Shigeta, Haruyoshi Maeda","doi":"10.2517/PR210021","DOIUrl":"https://doi.org/10.2517/PR210021","url":null,"abstract":"Abstract. Six early late Maastrichtian (Late Cretaceous) ammonoid taxa are reported from the Krasnoyarka Formation of the Yezo Group in the Naiba area, southern Sakhalin, Russian Far East. These taxa are grouped into “immigrant species”, i.e., those that migrated from other regions (Pachydiscus subcompressus, Anagaudryceras mikobokense, Gaudryceras seymouriense and Zelandites varuna) and “indigenous species” with a North Pacific distribution (Anagaudryceras matsumotoi). It is unclear to which group Tetragonites sp. belongs. Zelandites varuna and G. seymouriense occur in both the lower upper Maastrichtian as well as the upper lower Maastrichtian in southern Sakhalin, but they have never been found in the middle Maastrichtian. The appearance of these two species in the cold-water regions, i.e., North Pacific and Antarctic, as well as intermediate southern mid-latitudes regions suggests that cooling events occurred during the late early and early late Maastrichtian in the Northwest Pacific region. Their disappearance during the middle Maastrichtian may indicate that the Northwest Pacific region was affected by the greenhouse Middle Maastrichtian Event (MME). This hypothesis suggests that the influx (e.g. P. subcompressus and A. mikobokense) and reappearance (e.g. Z. varuna and G. seymouriense) of many immigrant species into the Northwest Pacific region during late Maastrichtian time may have been associated with the post-MME cooling.","PeriodicalId":54645,"journal":{"name":"Paleontological Research","volume":"27 1","pages":"277 - 309"},"PeriodicalIF":0.9,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47761114","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

A New Fossil Rorqual Aff. Balaenoptera Bertae Specimen from the Shinazawa Formation (Late Pliocene to Early Pleistocene), Yamagata, Japan 一个新的化石Rorqual事件。日本山形县新泽组（上新世晚期至更新世早期）的Balaenoptera Bertae标本

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-01-04 DOI: 10.2517/PR210038

Yoshihiro Tanaka, K. Nagasawa, Suburu Oba

{"title":"A New Fossil Rorqual Aff. Balaenoptera Bertae Specimen from the Shinazawa Formation (Late Pliocene to Early Pleistocene), Yamagata, Japan","authors":"Yoshihiro Tanaka, K. Nagasawa, Suburu Oba","doi":"10.2517/PR210038","DOIUrl":"https://doi.org/10.2517/PR210038","url":null,"abstract":"Abstract. More than 23 extinct species and 10 extant species of the Balaenopteridae are known. Our knowledge of the family Balaenopteridae is increasing quickly, however, few fossil records support a circum-North Pacific distribution of balaenopterid genera and species. Because of limited preservations, most rorqual fossils reported from the western North Pacific can only be identified to the family level. A skull from the Shinazawa Formation (late Pliocene to Early Pleistocene) in Yamagata, Japan, is identified as aff. Balaenoptera bertae by possessing two diagnostic features of the species: large occipital condyles, and a posteriorly elongate postglenoid process. Combination of four more features also support that the specimen is a closely related to B. bertae. The specimen is probably a slightly older individual than the holotype of B. bertae, based on the estimated bizygomatic width and slightly longer posterior process of the tympanoperiotic. The first and only report of B. bertae was from the Pliocene Purisima Formation in California, USA. The specimen from Japan is incompletely preserved, but shows the occurrence of B. bertae in the western North Pacific for the first time, as many living balaenopterids are distributed across the North Pacific, such as Balaenoptera musculus, B. physalus, B. borealis, B. acutorostrata, and Megaptera novaeangliae.","PeriodicalId":54645,"journal":{"name":"Paleontological Research","volume":"27 1","pages":"324 - 332"},"PeriodicalIF":0.9,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49154213","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

Description of a Titanosauriform (Sauropoda, Dinosauria) Cervical Vertebra from the Lower Cretaceous Kanmon Group, Southwestern Japan 日本西南部下白垩纪Kanmon群中一具泰坦龙(蜥脚类，恐龙)颈椎的描述

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-01-04 DOI: 10.2517/PR220009

Jun-Ichiro Tatehata, T. Mukunoki, Kyo Tanoue

引用次数: 0

Five Species of Microporina (Bryozoa, Cheilostomata) from the Pleistocene Setana Formation at Kuromatsunai, Hokkaido, Japan 日本北海道仓马须奈更新世Setana组中的五种微孔虫（Bryozoa，Cheiloporta）

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-01-04 DOI: 10.2517/PR210017

S. Arakawa

引用次数: 0

Ostracods from the Upper Silurian Si Ka Formation, Northern Vietnam, and Their Paleobiogeographical Significance 越南北部上志留统西卡组介形虫及其古生物地理学意义

IF 0.9 4区地球科学

Paleontological Research Pub Date : 2023-01-04 DOI: 10.2517/PR210032

Mark Williams, T. Komatsu, P. Nguyen, D. Siveter, A. McGairy, Harrison Bush, Robert H. Goodall, T. Harvey, C. Stocker, J. Legrand, Toshihiro Yamada, C. Miller

{"title":"Ostracods from the Upper Silurian Si Ka Formation, Northern Vietnam, and Their Paleobiogeographical Significance","authors":"Mark Williams, T. Komatsu, P. Nguyen, D. Siveter, A. McGairy, Harrison Bush, Robert H. Goodall, T. Harvey, C. Stocker, J. Legrand, Toshihiro Yamada, C. Miller","doi":"10.2517/PR210032","DOIUrl":"https://doi.org/10.2517/PR210032","url":null,"abstract":"Abstract. The first detailed, systematic record of Silurian ostracod crustaceans from Vietnam is presented. Ostracods from the upper Silurian (upper Ludlow–lower Pridoli) Si Ka Formation of Ha Giang Province, northern Vietnam comprise ca. 10 species, including two new species of hollinoideans, two beyrichioideans, three species of eridostracine, at least one putative paraparchitoidean, and two indeterminate palaeocopid species. The fauna co-occurs with macroplant and fish fragments, and pterineid bivalves, in lithofacies that are interpreted as estuarine. The presence of beyrichioideans is consistent with their reported occurrence in marine, marginal-marine and estuarine ostracod assemblages elsewhere in the late Silurian and Devonian. One of the beyrichioidean species possibly represents Qujingsia nonaculeata, a species known from the Ludlow–Pridoli of South China, thus endorsing the supposed late Silurian age of the Vietnam fauna and its paleogeographical position on the South China paleo-plate. The other beyrichioidean is Beyrichia (Beyrichia), a globally distributed taxon in the Silurian and Early Devonian. Three species of eridostracine are referred to Cryptophyllus, a genus with a global distribution and temporal range from the Ordovician to Carboniferous. Hollinoidean taxa, whilst endemic at the genus-level, show affinities with glossomorphitine and sigmoopsinae taxa from Europe.","PeriodicalId":54645,"journal":{"name":"Paleontological Research","volume":"27 1","pages":"261 - 276"},"PeriodicalIF":0.9,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46907257","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