Postcranial bones of infant Nacholapithecus: ontogeny and positional behavioral adaptation

スポンサーリンク

概要

• 論文の詳細を見る

• We describe the postcranial bones of a partial skeleton of a male infant Nacholapithecus kerioi (KNM-BG 37800) from the Middle Miocene of Kenya. The skeletal elements are associated with dental remains and its age is presumed to be 6–15 months based on a comparison with an infant Proconsul heseloni with a similar dental growth stage. The postcranial elements include the left scapula, a lumbar vertebra, left distal humerus, right proximal ulna, right radius, right and left proximal femora, a proximal fragment of metatarsal, and proximal and intermediate phalanges. Its body mass was estimated as 3.0 kg from shaft dimensions of the humerus and femur. At this early postnatal developmental stage, N. kerioi can be distinguished from P. heseloni in several postcranial features: a caudally projecting lumbar spinous process, strong dorsal divergence of the scapular spine, a coronoid fossa which is more developed than the radial fossa, higher neck shaft angle of the femur, taller trochlea of phalanges, and a lower brachial index. These features, except for the last, agree with the previously proposed positional behavioral reconstruction of N. kerioi, in which vertical climbing, orthograde clambering, transferring, or bridging are relatively important compared with P. heseloni. The apparently low brachial index results from a comparatively short radius for the predicted body mass. This might imply a relatively slow pace of growth in the radius of N. kerioi. However, it might result from body mass overestimation, incorrect length reconstruction, or individual variation. Its interpretation must await further specimens.

• 日本人類学会の論文

著者

• Egi Naoko

  Japan Monkey Centre

• NAKANO Yoshihiko

  Department of Biological Anthropology, Osaka University

• ISHIDA Hidemi

  Department of Human Nursing, University of Shiga Prefecture

• Kunimatsu Yutaka

  Primate Research Institute Kyoto University

• Nakatsukasa Masato

  Laboratory Of Physical Anthropology Department Of Zoology Graduate School Of Science Kyoto Universit

• Nakano Yoshihiko

  Department Of Biological Anthropology Osaka University

• NAKATSUKASA MASATO

  Laboratory of Physical Anthropology, Department of Zoology, Kyoto University

関連論文

• プロコンスル頭蓋骨の3次元形態モデリング
• P-67 ケニアリフトの中新統ナカリ層の堆積環境と古気候の復元(10.堆積相と堆積システム・シーケンス,ポスター発表,一般講演)
• 精密筋骨格モデルを用いたニホンザル歩行メカニズムの探求(立位姿勢・歩行運動制御,ME一般)
• Intranasal tooth in Japanese macaque (Macaca fuscata)
• ニホンザルの二足歩行訓練効果 : キネマティクスと足圧分布からみて(立位姿勢・歩行運動制御,ME一般)
• 筋力と筋配列の違いによる霊長類の歩行形態の力学的解析(機械力学,計測,自動制御)
• アフリカ類人猿の上・下顎大臼歯における歯冠咬頭面積の比較研究(英文)
• ケニア北部,サンブルヒルズ地域から発見された足跡化石について
• F11(2) ニホンザル筋骨格系の構造制約が二足歩行適応に及ぼす影響(【F11】身体・脳・環境の相互作用による適応的ロコモーション機能の発現機構に関するフォーラム)
• 二足起立・歩行訓練がニホンザルの後肢長骨に及ぼす影響
• Ontogenetic change and geographical variation of atlas bridging in Japanese macaques (Macaca fuscata)
• 頭部伝達関数(Head Related Transfer function: HRTF)における耳介の寄与に関する研究
• Femur length, body mass, and stature estimates of Orrorin tugenensis, a 6 Ma hominid from Kenya
• Distal humerus and ulna of Parapresbytis (Colobinae) from the Pliocene of Russia and Mongolia : phylogenetic and ecological implications based on elbow morphology
• ナカリピテクスと後期中新世の類人猿進化
• Postcranial bones of infant Nacholapithecus : ontogeny and positional behavioral adaptation
• (3)チンパンジー手部構造の解剖学的精密筋骨格モデル(1部 生体機能のシステム化)
• 人類の誕生と現生アフリカ類人猿の進化を巡る諸問題((7)人類誕生,その前夜と黎明)
• 第三千年紀:人類の初期進化について明らかになった新しい一章 (総特集 人類誕生--その前夜と黎明)
• 人類600万年の足の進化
• Preliminary analysis of Nacholapithecus scapula and clavicle from Nachola, Kenya
• 骨形状を考慮したヒト手部精密筋骨格モデル
• 有限要素法を用いた霊長類肩甲骨の機能形態学的解析
• Comparative and functional anatomy of phalanges in Nacholapithecus kerioi, a Middle Miocene hominoid from northern Kenya
• 類人猿のぶらさがり型適応は多元的か?
• New Hominoid Genus from the Middle Miocene of Nachora,Kenya
• 中新世霊長類の進化と人類の誕生
• FOSSIL MAMMALS FROM THE NEOGENE STRATA IN THE SINDA BASIN< EASTERN ZAIRE
• Hominoid fossils discovered from Chiang Muan, northern Thailand : the first step towards understanding hominoid evolution in Neogene Southeast Asia
• An additional specimen of a large-bodied Miocene hominoid from Chiang Muan, northern Thailand
• Kinematic analysis of bipedal locomotion of a Japanese macaque that lost its forearms due to congenital malformation
• Familial agenesis of mandibular first molars in Japanese macaques (Macaca fuscata)
• The Late Miocene Large Mammal Fauna from the Namurungule Formation, Samburu Hills, Northern Kenya
• Fossil Anthropoids from Nachola and Samburu Hills, Samburu District, Kenya
• The Biostratigraphic Analyses of the Faunas of the Nachola Area and Samburu Hills, Northern Kenya
• Fossiliferous Localities of the Nachola-Samburu Hills Area, Northern Kenya
• 東アフリカ中新世類人猿の進化におけるテンポとモード (総特集 人類誕生--その前夜と黎明)
• Catarrhines from the Middle Miocene (ca. 14.5Ma) of Kipsaraman, Tugen Hills, Kenya
• Geology of the Sinda-Mohari Region, Haut-Zaire Province, Eastern Zaire
• Three-Dimensional Morphology of the Sigmoid Notch of the Ulna in Kenyapithecus and Proconsul
• Kenyapithecus Postcranial Specimens from Nachola, Kenya
• A Revision of the Hypodigm of Nyanzapithecus vancouveringi
• アフリカにおける中型および大型ホミノイドの進化とホミニドの起源 : 北ケニアでの発掘調査中間報告
• Three-dimensional orientations of talar articular surfaces in humans and great apes
• Rib orientation and implications for orthograde positional behavior in nonhuman anthropoids
• Morphological study of the anthropoid thoracic cage : scaling of thoracic width and an analysis of rib curvature
• Muscle dimensions in the chimpanzee hand
• Textural characteristics of the iliac-femoral trabecular pattern in a bipedally trained Japanese macaque
• Scaling of lumbar vertebrae in anthropoids and implications for evolution of the hominoid axial skeleton
• Geometric morphometric study of temporal variations in human crania excavated from the Himrin Basin and neighboring areas, northern Iraq
• Familial agenesis of mandibular first molars in Japanese macaques (Macaca fuscata)
• ケニア, ナカリでの古人類学調査
• Inefficient use of inverted pendulum mechanism during quadrupedal walking in the Japanese macaque
• Dental metric variability associated with human migration from skeletal remains of two Jomon sites (Yoshigo and Inariyama) in the Atsumi Peninsula area
• Hind limb of the Nacholapithecus kerioi holotype and implications for its positional behavior
• Dental metric variability associated with human migration from skeletal remains of two Jomon sites (Yoshigo and Inariyama) in the Atsumi Peninsula area
• 京都大学大学院理学研究科,自然人類学研究室(人類の起源)
• 霊長類の起源と進化(人類の起源)
• 真猿類における大腿骨の形態と運動様式の相関
• Hind limb of the Nacholapithecus kerioi holotype and implications for its positional behavior
• Editorial Note
• Postcranial bones of infant Nacholapithecus: ontogeny and positional behavioral adaptation
• Distal humerus and ulna of Parapresbytis (Colobinae) from the Pliocene of Russia and Mongolia: phylogenetic and ecological implications based on elbow morphology
• Hind limb of the Nacholapithecus kerioi holotype and implications for its positional behavior

もっと見る 閉じる

スポンサーリンク