A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene

Haidr Nadia; Hospitaleche Carolina Acosta

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A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene

机译：来自南极洲的新企鹅颅骨及其在虫期期间对体型多样性的影响

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Although penguins have a very abundant fossil record in Antarctica, very few cranial elements have been found so far, and in all the cases the specimens are incomplete. We describe a new cranium of a medium-sized penguin from the late Eocene Submeseta Formation in Marambio/Seymour Island, Antarctica. Its morphology allows us to establish a common cranial pattern for all known Eocene taxa (including South American, Antarctic and probably Oceanian species), with very different proportions between cranium and post-cranium from those of modern penguins. These Paleogene fossils exhibit a small neurocrania, extremely elongated bills, large occipital condyles, and strong cranio-mandibular articulations.

机译：虽然企鹅在南极洲有一个非常丰富的化石记录，但到目前为止已经发现了很少的颅骨元素，并且在所有情况下，标本都是不完整的。我们描述了来自南极洲Marambio / Seymour岛的后期eocene夏季地区的中型企鹅的新颅骨。它的形态使我们能够为所有已知的eocene列表（包括南美洲，南极和大洋洲）建立共同的颅骨模式，颅骨和颅骨后颅骨之间的比例非常不同。这些古雄化石表现出一个小神经科植物，极端细长的钞票，大枕骨髁和强烈的颅骨铰接。

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《Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen》 |2017年第2期|共5页
作者
Haidr Nadia; Hospitaleche Carolina Acosta;
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作者单位

IBIOMAR CONICET Inst Biol Organismos Marinos Bvd Brown 2915 U9120ACD Puerto Madryn Argentina;

Consejo Nacl Invest Cient &

Tecn Museo La Plata Div Paleontol Vertebrados Paseo Bosque S-N B1900FWA La Plata Buenos Aires Argentina;

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正文语种 eng
中图分类地质学;古生物学;
关键词
Sphenisciformes; Eocene; Seymour Island; 3D scan; anatomy; paleobiodiversity;

机译：spheniscomens;eocene;seymour岛;3d扫描;解剖学;古形怪异;

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1. A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene [J] . Haidr Nadia, Hospitaleche Carolina Acosta Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen . 2017,第2期

机译：来自南极洲的新企鹅颅骨及其在虫期期间对体型多样性的影响
2. Northward range extension of a diminutive-sized mammal(Ectocion parvus) and the implication of body size change during the Paleocene-Eocene Thermal Maximum [J] . Burger B.J. Palaeogeography, Palaeoclimatology, Palaeoecology: An International Journal for the Geo-Sciences . 2012,第Null期

机译：小型哺乳动物（Ectocion parvus）向北扩展和古新世-始新世热最大值期间体型变化的暗示
3. A giant elasmosaurid (Sauropterygia; Plesiosauria) from Antarctica: New information on elasmosaurid body size diversity and aristonectine evolutionary scenarios [J] . OGorman J. P., Santillana S., Otero R., Cretaceous Research . 2019,第期

机译：来自南极洲的巨型Elasmosaurid（Sauropterygia; Plesiosauria）：关于Elasmosaurid体型多样性和Aristonectine进化情景的新信息
4. Psychrotolerant anaerobes from Lake Podprudnoye, Antarctica and penguin Spheniscus demersus colony, South Africa [C] . Melissa Guisler, Elena V. Pikuta, Alisa Townsend, Instruments and methods for astrobiology and planetary missions XII . 2009

机译：来自南极洲Podprudnoye湖和南非企鹅Spheniscus demersus殖民地的抗精神病厌氧菌
5. A statistical examination of the change in body size of mammalian communities across the Eocene-Oligocene Boundary. [D] . Schmerge, Joshua David. 2011

机译：跨始新世-渐新世边界哺乳动物种群体型变化的统计检验。
6. A Novel Adenovirus in Chinstrap Penguins (Pygoscelis antarctica) in Antarctica [O] . Sook-Young Lee, Jeong-Hoon Kim, Yon Mi Park, 2014

机译：南极洲的Chinstrap企鹅（Pygoscelis南极洲）中的一种新型腺病毒。
7. An enigmatic fossil penguin from the Eocene of Antarctica [O] . JADWISZCZAK, Piotr, Mörs, Thomas 2017

机译：来自南极始新世的神秘化石企鹅

A new penguin cranium from Antarctica and its implications for body size diversity during the Eocene

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