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来自德国南部晚侏罗世的一新非翼手龙类翼龙。

A new non-pterodactyloid pterosaur from the Late Jurassic of southern Germany.

机构信息

Department of Biology and Environmental Sciences, University College Dublin, Dublin, Ireland.

出版信息

PLoS One. 2012;7(7):e39312. doi: 10.1371/journal.pone.0039312. Epub 2012 Jul 5.

DOI:10.1371/journal.pone.0039312
PMID:22792168
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3390345/
Abstract

BACKGROUND

The 'Solnhofen Limestone' beds of the Southern Franconian Alb, Bavaria, southern Germany, have for centuries yielded important pterosaur specimens, most notably of the genera Pterodactylus and Rhamphorhynchus. Here we describe a new genus of non-pterodactyloid pterosaur based on an extremely well preserved fossil of a young juvenile: Bellubrunnus rothgaengeri (gen. et sp. nov.).

METHODOLOGY/PRINCIPAL FINDINGS: The specimen was examined firsthand by all authors. Additional investigation and photography under UV light to reveal details of the bones not easily seen under normal lighting regimes was completed.

CONCLUSIONS/SIGNIFICANCE: This taxon heralds from a newly explored locality that is older than the classic Solnhofen beds. While similar to Rhamphorhynchus, the new taxon differs in the number of teeth, shape of the humerus and femur, and limb proportions. Unlike other derived non-pterodacytyloids, Bellubrunnus lacks elongate chevrons and zygapophyses in the tail, and unlike all other known pterosaurs, the wingtips are curved anteriorly, potentially giving it a unique flight profile.

摘要

背景

德国巴伐利亚州南部弗兰肯地区的“索伦霍芬石灰岩”矿床，数百年来一直产出重要的翼龙标本，其中最著名的是翼手龙属和喙嘴龙属。在这里，我们基于一个保存极为完好的幼年个体化石，描述了一个新的非翼手龙类翼龙属：罗氏贝尔布鲁嫩斯（Bellubrunnus rothgaengeri）（新属种）。

方法/主要发现：所有作者都亲自对标本进行了检查。还进行了额外的研究和紫外线照射摄影，以揭示在正常光照条件下不易看到的骨骼细节。

结论/意义：该分类单元来自一个新探索的地点，比经典的索伦霍芬矿床还要古老。尽管与喙嘴龙相似，但新分类单元在牙齿数量、肱骨和股骨形状以及肢体比例上存在差异。与其他衍生的非翼手龙类不同，罗氏贝尔布鲁嫩斯的尾巴缺乏伸长的尾综骨和关节突，而且与所有其他已知的翼龙不同，翼尖向前弯曲，这可能使它具有独特的飞行形态。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/7cf5ad525cff/pone.0039312.g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/adb2419a9c3f/pone.0039312.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/7b8a6c310447/pone.0039312.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/fdd5ce882030/pone.0039312.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/c4e6223a6d9c/pone.0039312.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/2e7274cc9298/pone.0039312.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/a10227c26e41/pone.0039312.g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/92866cd4e8f6/pone.0039312.g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/f000d5074f1d/pone.0039312.g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/8affc52482cb/pone.0039312.g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/15bcd62aec39/pone.0039312.g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/5b5ece46c891/pone.0039312.g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/186688d3b7db/pone.0039312.g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/12ae78b4f0a0/pone.0039312.g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/7cf5ad525cff/pone.0039312.g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/adb2419a9c3f/pone.0039312.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/7b8a6c310447/pone.0039312.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/fdd5ce882030/pone.0039312.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/c4e6223a6d9c/pone.0039312.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/2e7274cc9298/pone.0039312.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/a10227c26e41/pone.0039312.g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/92866cd4e8f6/pone.0039312.g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/f000d5074f1d/pone.0039312.g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/8affc52482cb/pone.0039312.g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/15bcd62aec39/pone.0039312.g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/5b5ece46c891/pone.0039312.g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/186688d3b7db/pone.0039312.g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/12ae78b4f0a0/pone.0039312.g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2241/3390345/7cf5ad525cff/pone.0039312.g014.jpg

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