Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques

The insularity of Madagascar allowed an important endemic fauna to develop. We can recognize subfossil lemurs, less mineralized than the fossils. They are much larger than the extant ones. They are found in sites dated to the Late Quaternary 26 000 years and 500 years BP. Within these subfossil lemu...

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Main Author: Beby Ramanivosoa
Format: Article
Language:English
Published: Société Francophone de Primatologie 2011-10-01
Series:Revue de Primatologie
Subjects:
Online Access:https://journals.openedition.org/primatologie/778
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author Beby Ramanivosoa
author_facet Beby Ramanivosoa
author_sort Beby Ramanivosoa
collection DOAJ
description The insularity of Madagascar allowed an important endemic fauna to develop. We can recognize subfossil lemurs, less mineralized than the fossils. They are much larger than the extant ones. They are found in sites dated to the Late Quaternary 26 000 years and 500 years BP. Within these subfossil lemurs, there is one particular genus: Archaeolemur. The morphological and myocological features studied here show that its position is closer to the extant Indriidae than to the extant Lemuridae. Its position was established using the comparison of histograms obtained for average indices of the variables measured on the scapula and the humerus. For the scapula, Archaeolemur is closer to the Indriidae for the values of 8 indices against only one for the Lemuridae. For the humerus, 7 indices are closer to the Indriidae and only 3 are close to the Lemuridae. The results show that it is necessary to consider Archaeolemur as a more arboreal animal than it was previously considered and probably climbing more.
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spelling doaj-art-4214147cd9654e33a14bc96d28d63db62025-01-30T10:02:20ZengSociété Francophone de PrimatologieRevue de Primatologie2077-37572011-10-01310.4000/primatologie.778Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiquesBeby RamanivosoaThe insularity of Madagascar allowed an important endemic fauna to develop. We can recognize subfossil lemurs, less mineralized than the fossils. They are much larger than the extant ones. They are found in sites dated to the Late Quaternary 26 000 years and 500 years BP. Within these subfossil lemurs, there is one particular genus: Archaeolemur. The morphological and myocological features studied here show that its position is closer to the extant Indriidae than to the extant Lemuridae. Its position was established using the comparison of histograms obtained for average indices of the variables measured on the scapula and the humerus. For the scapula, Archaeolemur is closer to the Indriidae for the values of 8 indices against only one for the Lemuridae. For the humerus, 7 indices are closer to the Indriidae and only 3 are close to the Lemuridae. The results show that it is necessary to consider Archaeolemur as a more arboreal animal than it was previously considered and probably climbing more.https://journals.openedition.org/primatologie/778Madagascarsubfossil lemursmodern lemursArchaeolemurscapulahumerus
spellingShingle Beby Ramanivosoa
Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
Revue de Primatologie
Madagascar
subfossil lemurs
modern lemurs
Archaeolemur
scapula
humerus
title Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
title_full Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
title_fullStr Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
title_full_unstemmed Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
title_short Nouvelle approche métrique de l'épaule du genre Archaeolemur : caractéristiques morphologiques et myologiques
title_sort nouvelle approche metrique de l epaule du genre archaeolemur caracteristiques morphologiques et myologiques
topic Madagascar
subfossil lemurs
modern lemurs
Archaeolemur
scapula
humerus
url https://journals.openedition.org/primatologie/778
work_keys_str_mv AT bebyramanivosoa nouvelleapprochemetriquedelepauledugenrearchaeolemurcaracteristiquesmorphologiquesetmyologiques